{"id":1637,"date":"2024-05-25T09:38:51","date_gmt":"2024-05-25T01:38:51","guid":{"rendered":"https:\/\/www.yizishun.com\/?p=1637"},"modified":"2024-07-29T17:46:07","modified_gmt":"2024-07-29T09:46:07","slug":"soc%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.yizishun.com\/?p=1637","title":{"rendered":"SoC\u8ba1\u7b97\u673a\u7cfb\u7edf(ysyx\u65e5\u8bb0)\uff08\u5df2\u5b8c\u7ed3\uff09"},"content":{"rendered":"\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">\u524d\u8a00<\/mark><\/strong>\uff1a\u4ee5\u4e0b\u4e3a\u6211\u505aysyx\u7684soc\u7684\u6bcf\u65e5\u8bb0\u5f55\uff0c\u53d9\u8ff0\u4ee5\u9ec4\u8272\u4efb\u52a1\u4e3a\u4e3b\u7ebf\uff0c\u57fa\u672c\u65e0\u53c2\u8003\u4ee3\u7801\uff0c\u5927\u591a\u662f\u4e00\u4e9b\u6bcf\u65e5\u5410\u69fd\uff08\u72d7\u5934<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u63a5\u5165<\/mark><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"217\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-24-1024x217.png\" alt=\"\" class=\"wp-image-1640\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-24-1024x217.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-24-300x63.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-24-768x162.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-24.png 1494w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u4efb\u52a1\u7684\u7b2c\u4e00\u5c0f\u70b9\u5c31\u5982\u6b64\u70b8\u88c2<\/p>\n\n\n\n<p>\u5206\u4e00\u4e0b\u6b65\u5427<\/p>\n\n\n\n<p>1\uff0c\u8bfb\u624b\u518c\uff0c\u627e\u51fa\u6bcf\u4e00\u4e2a\u4fe1\u53f7\u7684\u4f5c\u7528(x\u662fr\u6216\u8005w)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>axid \u611f\u89c9\u662f\u4e3a\u4e86\u53ef\u80fd\u7684\u65e0\u5e8f\u4f20\u8f93\u8bbe\u7f6e\u7684id\uff0c\u9700\u8981\u5bf9\u5e94\u540e\u9762\u7684xid<\/li>\n\n\n\n<li>axlen \u8fd9\u4e2a\u51b3\u5b9a\u4e86\u9700\u8981\u4f20\u8f93\u591a\u5c11\u6b21<\/li>\n\n\n\n<li>axsize \u8fd9\u4e2a\u51b3\u5b9a\u4e86\u6bcf\u6b21\u4f20\u8f93\u7684\u603b\u5b57\u8282\u6570\uff0c\u800cwstrb\u51b3\u5b9a\u8fd9\u4e9b\u5b57\u8282\u4e2d\u54ea\u4e9b\u662f\u6709\u6548\u7684<\/li>\n\n\n\n<li>axburst \u51b3\u5b9a\u4e86\u4f20\u8f93\u7684type<\/li>\n\n\n\n<li>xlast master\u6700\u540e\u4e00\u6b21\u53d1\u9001\u6570\u636e\u65f6\u9700\u8981assert\u8fd9\u4e2a\u4fe1\u53f7<\/li>\n\n\n\n<li>xid \u8fd4\u56de\u6570\u636e\u7684id<\/li>\n<\/ul>\n\n\n\n<p>\u5206\u4eab\u4e00\u4e2a\u8bb2\u7684\u6bd4\u8f83\u751f\u52a8\u7684\u94fe\u63a5\uff08\u8fd9\u624b\u518c\u5199\u7684\u633a\u597d\u7684\uff0c\u5c31\u662f\u6211\u82f1\u8bed\u4e0d\u592a\u597d\u770b\u4e0d\u5927\u61c2\uff09<a href=\"https:\/\/community.arm.com\/support-forums\/f\/soc-design-and-simulation-forum\/10300\/axi-burst-size-meaning\">AXI Burst Size meaning &#8211; SoC Design and Simulation forum &#8211; Support forums &#8211; Arm Community<\/a>\uff0c\u8bb2\u7684\u662faxlen\uff0caxsize\uff0caxburst<\/p>\n\n\n\n<p>\u6211\u611f\u89c9\u8fd9\u4e9b\u90fd\u662f\u4e00\u6b21\u9700\u8981\u4f20\u8f93\u5f88\u591a\u6570\u636e\u7684\u60c5\u51b5\uff0c\u6211\u73b0\u5728\u6682\u65f6\u60f3\u4e0d\u5230\u8fd9\u65b9\u9762\u7684\u9700\u6c42\uff0c\u6700\u5927\u7684lw\u6307\u4ee4\u4e5f\u53ea\u662f\u4e00\u6b21\u6027\u4f2032\u4e2a\u5b57\u8282\uff0c\u6240\u4ee5axlen\u53ef\u4ee5\u4e00\u76f4\u4e3a0\uff0cxlast\u53ef\u4ee5\u4e00\u76f4\u4e3a1\uff0caxid\u4ee5\u53caxid\u53ef\u4ee5\u4e00\u76f4\u662f0\uff0caxburst\u4e00\u76f4\u662fINCH\uff080b01\uff09\uff0c\u552f\u4e00\u9700\u8981\u6ce8\u610f\u7684\u662faxsize\u9700\u8981\u6839\u636e\u9700\u6c42\u8fdb\u884c\u8bbe\u7f6e\uff08\u7279\u522b\u662f\u5bf9\u4e8e\u8bbe\u5907\u7684\u8bbf\u95ee\u65f6\u66f4\u9700\u8981\u6ce8\u610f\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color 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class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"1024\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-35-821x1024.png\" alt=\"\" class=\"wp-image-1676\" style=\"width:402px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-35-821x1024.png 821w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-35-240x300.png 240w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-35-768x958.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-35.png 920w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" 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class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"439\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-36-1024x439.png\" alt=\"\" class=\"wp-image-1681\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-36-1024x439.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-36-300x129.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-36-768x329.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-36.png 1470w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"335\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-37-1024x335.png\" alt=\"\" class=\"wp-image-1685\" style=\"width:633px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-37-1024x335.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-37-300x98.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-37-768x251.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-37-1536x502.png 1536w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-37.png 1584w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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class=\"wp-image-1691\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-38-1024x277.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-38-300x81.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-38-768x208.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-38.png 1484w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5148\u770b\u770b\u624b\u518c\u5427\uff0c\u5305\u62ecaxi\u7684resp\u548criscv\u7279\u6743\u624b\u518c<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"667\" height=\"1024\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-39-667x1024.png\" alt=\"\" class=\"wp-image-1694\" style=\"width:435px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-39-667x1024.png 667w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-39-195x300.png 195w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-39-768x1179.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-39.png 792w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/figure>\n\n\n\n<p>\u4e5f\u5c31\u662f\u6dfb\u52a01\u548c5\u548c7\uff0c\u5206\u522b\u5bf9\u5e94\u4e8erresp(ifu),rresp(lsu),bresp(lsu)<\/p>\n\n\n\n<p>\u8fd9\u4e2airq\u7684\u673a\u5236\u6211\u4e4b\u524d\u6ca1\u6709\u5b9e\u73b0\u5f97\u5f88\u597d\uff0c\u4e3b\u8981\u662f\u6211\u6ca1\u5b66\u8fc7\uff0c\u6211\u4e5f\u53ea\u80fd\u9760\u731c\u60f3<\/p>\n\n\n\n<p>\u6211\u628a\u6bcf\u4e2a\u6a21\u5757\u90fd\u51995\u4e2airq\u7684port\uff0c\u4e00\u4e2a\u51fa\u56db\u4e2a\u8fdb\uff0c\u7136\u540e\u5728Core\u6a21\u5757\u76f4\u8fde\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2a\u6a21\u5757\u4ea7\u751firq\uff0c4\u4e2a\u6a21\u5757\u90fd\u4f1a\u7acb\u9a6c\u6536\u5230\uff0c\u5e76\u4e14\u4e00\u65e6\u53d7\u5230\uff0c\u5c31\u5c06\u81ea\u5df1\u7684\u72b6\u6001\u53d8\u4e3adefault\u72b6\u6001\uff0cpc\u4e5f\u4f1a\u5728\u4e0b\u4e00\u4e2a\u5468\u671f\u6539\u53d8\uff0c\u4e5f\u5c31\u662f\u6240\u6709\u5168\u90e8\u72b6\u6001\u90fd\u53d8\u6210\u521a\u5f00\u59cb\u7684\u6837\u5b50\u4e86<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"515\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-40-1024x515.png\" alt=\"\" class=\"wp-image-1705\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-40-1024x515.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-40-300x151.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-40-768x386.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-40.png 1476w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4e00\u4e2a\u4e0b\u5348\u505a\u4e86\u4e2a\u8fd9\u4e2a\uff0c\u6548\u7387\u597d\u4f4e\u3002\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u8981\u6ce8\u610f\u5185\u5b58\u5206\u914d\uff0c\u94fe\u63a5\u811a\u672c\u7684\u6808\u5730\u5740\u5fc5\u987b\u5bf9\u9f504B\uff0c\u5e76\u4e14\u6700\u597d\u4e0d\u8981\u8d85\u8fc70x0f001fff<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"299\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-41-1024x299.png\" alt=\"\" class=\"wp-image-1708\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-41-1024x299.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-41-300x88.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-41-768x224.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-41.png 1492w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>static\u94fe\u63a5\u7684\u7a0b\u5e8f\u6211\u4eec\u666e\u904d\u4f1a\u8ba4\u4e3a\u4ed6\u5f88\u5927\uff0c\u4f46\u662f\u901a\u8fc7\u7ed9\u7f16\u8bd1\u5668 <strong>-ffunction-sections -fdata-sections<\/strong>\u8fd9\u4e24\u4e2a\u9009\u9879\u53ef\u4ee5\u628a\u7a0b\u5e8f\u7684\u6bcf\u4e00\u4e2a\u51fd\u6570\/\u5168\u5c40\u53d8\u91cf\u5206\u4e00\u4e2asection\uff0c\u7136\u540e\u7ed9ld\u4f20\u4e00\u4e2a\u4f18\u5316\u9009\u9879<strong>&#8211;gc-sections<\/strong>\u628a\u6ca1\u6709\u4f7f\u7528\u7684section\u53bb\u6389\uff0c\u4ee5\u51cf\u5c0felf\u6587\u4ef6\u7684\u5927\u5c0f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"502\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-42-1024x502.png\" alt=\"\" class=\"wp-image-1711\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-42-1024x502.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-42-300x147.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-42-768x376.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-42.png 1498w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u5c0f\u7ec6\u8282\u662f\u5565\u634f\uff0c\u6211\u731c\u6d4b\u6700\u6709\u53ef\u80fd\u7684\u662f\u5f53\u5b9a\u4e49\u4e86\u4e00\u4e2a\u533a\u57df\u7684\u8bdd\uff0csection\u91cc\u9762\u7684\u7b26\u53f7\u58f0\u660e\u662f\u6309\u7167VMA\u6765\u8fd8\u662fLMA\u5462\uff0c\u6b63\u786e\u7b54\u6848\u662fVMA\uff0c\u90a3\u6211\u8be5\u600e\u4e48\u77e5\u9053data\u5728LMA\u7684\u5730\u5740\u5462\uff0c\u4e00\u4e2a\u65b9\u5f0f\u5c31\u662f\u663e\u793a\u7684\u6807\u660e\u4ed6LMA\u7684\u5730\u5740\uff0c\u8fd8\u6709\u4e00\u4e2a\u53ef\u80fd\u662f\u628adata\u6bb5\u653e\u5230sram\u91cc\u9762\u4f1a\u628a\u4e4b\u524d\u7684heap\u548cstack\u5730\u5740\u8986\u76d6<\/p>\n\n\n\n<pre class=\"brush: php; title: ; notranslate\" title=\"\">\nENTRY(_start)\nPHDRS { text PT_LOAD; data PT_LOAD; }\n\nMEMORY {\n  flash : ORIGIN = 0x30000000, LENGTH = 262144K\n  sram : ORIGIN = 0x0f000000, LENGTH = 8K\n}\n\nSECTIONS {\n  \/* _pmem_start and _entry_offset are defined in LDFLAGS *\/\n  . = ORIGIN(flash);\n  .text : \n  {\n    *(entry)\n    *(.text*)\n    _etext = .;\n  } &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt; flash AT &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt;flash : text\n  etext = .;\n\n  .rodata : \n  {\n    _rodata = .;\n    *(.rodata*)\n    *(.srodata*)\n    _erodata = .;\n  } &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt; flash AT &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt;flash\n\n  .data : \n  {\n    _data = .;\n    *(.data*)\n    *(.sdata*)\n    _edata = .;\n  } &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt; sram AT &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt;flash : data\n\n  .bss : \n  {\n\t  _bstart = .;\n    *(.bss*)\n    *(.sbss*)\n    *(.scommon)\n    _bend = .;\n  } &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt; sram AT &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt;flash\n\n  _stack_top = ALIGN(0x10);\n  . = _stack_top + 0x800;\n  _stack_pointer = .;\n  end = .;\n  _end = .;\n  _heap_start = ALIGN(0x10);\n  _heap_end = _heap_start + 0x400;\n}\n<\/pre>\n\n\n\n<p>\u6700\u7ec8\u53ef\u4ee5\u8dd1\u9664\u4e86hello-str\u7684\u6240\u6709cpu-test\u7684\u94fe\u63a5\u811a\u672c\uff08\u4e0a\u9762\u8fd9\u4e2a\u663e\u793a\u597d\u50cf\u6709\u70b9\u95ee\u9898\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"651\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-43-1024x651.png\" alt=\"\" class=\"wp-image-1724\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-43-1024x651.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-43-300x191.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-43-768x488.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-43.png 1498w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8bb2\u4e49\u8fd9\u91cc\u4f3c\u4e4e\u6709\u70b9\u95ee\u9898\uff0c\u505a\u5230\u8fd9\u4e00\u6b65\u65f6\uff0c\u8fd8\u6ca1\u6cd5\u8fd0\u884cam-test\uff0c\u56e0\u4e3a\u592a\u5927\u4e86\u8d85\u8fc7mrom\u7684\u5927\u5c0f\u4e86<\/p>\n\n\n\n<p>\u81f3\u4e8e\u6ca1\u6709\u8f93\u51fa\u5168\u90e8\u5b57\u7b26\uff0c\u6211\u6570\u4e86\u4e00\u4e0b\u5230\u5e95\u8f93\u51fa\u4e86\u591a\u5c11\u4e2a\u5b57\u7b26\uff0c\u6b63\u597d16\u4e2a\uff0c\u4e00\u4e2a\u5b57\u7b26\u4e00\u4e2a\u5b57\u8282\uff0c16\u4e2a\u5b57\u8282\uff0c\u662f\u4e0d\u662f\u5b58\u5728\u4e00\u4e2a\u4ec0\u4e48\u961f\u5217\u7684\u4e1c\u897f\u6ee1\u6389\u4e86<\/p>\n\n\n\n<p>ysyxSoC\u7684\u6e90\u7801\u6211\u8fdf\u65e9\u5f97\u770b\u7684\uff0c\u91cc\u9762\u80af\u5b9a\u6709\u5f88\u591achisel\u7684\u9ad8\u7ea7\u7528\u6cd5\uff0c\u5077\u5b66\u4e00\u70b9\u7528\u5230npc\u4e0a\u4e5f\u662f\u5f88\u597d\u7684\uff0c\u4f46\u662f\u8fd9\u4e2a\u4f1acost\u5f88\u591a\u65f6\u95f4\uff0c\u6700\u8fd1\u53c8\u4e34\u8fd1\u671f\u672b\u8003\u8bd5\uff0c\u4e0d\uff01\u4e00\u5b9a\u8981\u8ba4\u771f\u770b\u6e90\u7801\uff0c\u6211\u611f\u89c9\u6211\u7684npc\u5199\u7684\u592a\u70c2\u4e86\uff08\u6307\u53ef\u6269\u5c55\u6027\u548c\u53ef\u8bfb\u6027\uff09<\/p>\n\n\n\n<p>\u770b\u4e86\u4e00\u4e0bdiplomacy\u6846\u67b6\u5199\u7684\u603b\u7ebf\uff0c\u867d\u7136\u670970%\u770b\u4e0d\u660e\u767d\uff0c\u4f46\u662f\u770b\u4ed6\u8fd9\u4e2a\u6846\u67b6\u5199\u51fa\u7684\u4ee3\u7801\u8fd8\u662f\u86ee\u6f02\u4eae\u7684<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"203\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-44-1024x203.png\" alt=\"\" class=\"wp-image-1743\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-44-1024x203.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-44-300x59.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-44-768x152.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-44.png 1436w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>node\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u4e3a\u6a21\u5757\u7684\u7aef\u53e3\uff0c\u8fd9\u51e0\u884c\u4ee3\u7801\u8fd8\u662f\u6bd4\u8f83\u751f\u52a8\u7684\u5c55\u793a\u4e86soc\u7684\u8fde\u63a5\u5173\u7cfb<\/p>\n\n\n\n<p>\u4e4b\u540e\u770bverilog\u7684uart\u4ee3\u7801\uff0c1000\u884c\u5de6\u53f3\uff0c\u6446\u70c2\u4e86\uff0c\u968f\u4fbf\u770b\u4e86\u4e00\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"383\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-1024x383.png\" alt=\"\" class=\"wp-image-1746\" style=\"width:840px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-1024x383.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-300x112.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-768x287.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image.png 1486w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u9664\u6570\u5927\u6982\u662f\u5bf9\u4e8eclock\u7684\u4e00\u4e2a\u524a\u51cf\uff1f\u4ee5\u9002\u5e94uart\u7684\u4f20\u8f93\u901f\u5ea6<\/p>\n\n\n\n<p>\u6211\u628a\u9664\u6570\u8bbe\u7f6e\u4e3a300\uff0c\u53d1\u73b0\u53ea\u80fd\u8f93\u51fa17\u4e2a\u5b57\u7b26\uff0c\u7d22\u6027\u76f4\u63a5\u8bbe\u7f6e\u4e3a1\u4e86<\/p>\n\n\n\n<p>bug\u4fee\u590d\uff1a\u4e4b\u524dLSU\u53d1\u51fa\u7684\u5199\u5730\u5740\u6c38\u8fdc\u90fd\u662f\u5bf9\u9f504B\u7684\uff0c\u5bfc\u81f4\u6211\u65e0\u6cd5\u5bf90x10000003\u8fd9\u4e2a\u5730\u5740\u8fdb\u884c\u5199\uff08\u672c\u6765\u662f\u4f7f\u7528wstrb\u6765\u5199\u8fd9\u4e2a\u5730\u5740\uff0c\u4f46\u662fuart\u6a21\u5757\u76f4\u63a5\u5ffd\u7565\u6389\u4e86wstrb\uff09\uff0c\u66f4\u6539\u4e3aLSU\u53d1\u51fa\u7684\u5199\u5730\u5740\u65e0\u9700\u5bf9\u9f50\u4efb\u4f55\u8fb9\u754c\uff0c\u800c\u5bf9\u9f50\u8fd9\u4e2a\u8d23\u4efb\u5e94\u8be5\u662f\u8bbe\u5907\u6216\u8005\u662fsoc\u603b\u7ebf\u7684\u8d23\u4efb\uff0c\u6211\u53ea\u9700\u8981\u8d1f\u8d23wstrb\u7684\u6b63\u786e\u8bbe\u7f6e\uff0c\u8bfb\u5730\u5740\u672c\u5e94\u8be5\u4e5f\u8981\u9075\u5faa\u8fd9\u4e2a\u7684\uff0c\u4f46\u662f\u6211\u8fd8\u6709\u4e00\u70b9\u6ca1\u60f3\u660e\u767d\uff0c\u6211\u6253\u7b97\u9047\u5230\u4e86\u95ee\u9898\u7684\u65f6\u5019\u518d\u60f3\u8fd9\u4e2a\u8bfb\u5730\u5740\u7684\u95ee\u9898<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"393\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-1-1024x393.png\" alt=\"\" class=\"wp-image-1755\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-1-1024x393.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-1-300x115.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-1-768x295.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-1.png 1506w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">FLASH<\/mark><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"846\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-2-1024x846.png\" alt=\"\" class=\"wp-image-1763\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-2-1024x846.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-2-300x248.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-2-768x634.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-2.png 1494w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-4.png 1206w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"177\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-5-1024x177.png\" alt=\"\" class=\"wp-image-1773\" style=\"width:648px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-5-1024x177.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-5-300x52.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-5-768x133.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-5.png 1202w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-7-1024x412.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-7-300x121.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-7-768x309.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-7-1536x618.png 1536w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-7.png 1620w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-8-1024x215.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-8-300x63.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-8-768x161.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-8.png 1488w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u7531\u4e8e\u83b7\u5f97\u7684bits\u9996\u5148\u4f1a\u88ab\u5b58\u653e\u5728MSB\u4e2d\uff0c\u6240\u4ee5\u5c31\u4f1a\u51fa\u73b0\u4f4e\u4f4d\u5b57\u8282\u5b58\u50a8\u5728\u9ad8\u4f4d\u5730\u5740\u7684\u60c5\u51b5\uff0c\u8fd9\u662f\u5927\u7aef\u5e8f\uff0c\u4f46\u662f\u5176\u4ed6\u7a0b\u5e8f\u90fd\u662f\u5c0f\u7aef\u5e8f\u7684\uff0c\u5728\u6267\u884c\u7684\u65f6\u5019\u5c31\u4f1a\u51fa\u73b0\u95ee\u9898\uff0c\u4e8e\u662f\u9700\u8981\u5728\u8f6f\u4ef6\u4e2d\u4fee\u6539\u4e00\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"715\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-9-1024x715.png\" alt=\"\" class=\"wp-image-1804\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-9-1024x715.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-9-300x210.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-9-768x537.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-9.png 1480w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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style=\"width:546px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-10-1024x149.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-10-300x44.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-10-768x112.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-10.png 1514w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5f53\u63a5\u6536\u5230\u6765\u81eamaster\u7684apb\u6307\u4ee4\u65f6\uff0c\u4e00\u822c\u6765\u8bf4\u5c31\u662f\u76f4\u8fdespi controller\uff0c\u4f46\u662f\u7531\u4e8e\u6211\u4eec\u8981\u5b9e\u73b0flash-read\uff0c\u6211\u4eec\u9700\u8981\u63a5\u7ba1\u8fd9\u4e2a\u4fe1\u53f7\uff0c\u89e3\u6790\u8fd9\u4e2a\u6765\u81eamaster\u7684\u4fe1\u53f7\uff0c\u7136\u540e\u4f7f\u7528\u53e6\u4e00\u79cd\u65b9\u5f0f\u8bbf\u95eespi 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class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"400\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-12-1024x400.png\" alt=\"\" class=\"wp-image-1842\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-12-1024x400.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-12-300x117.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-12-768x300.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-12.png 1478w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"620\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-14-1024x620.png\" alt=\"\" class=\"wp-image-1851\" style=\"width:476px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-14-1024x620.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-14-300x182.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-14-768x465.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-14.png 1460w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">RAM<\/mark><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"358\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-15-1024x358.png\" alt=\"\" class=\"wp-image-1856\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-15-1024x358.png 1024w, 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src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-21-1024x435.png\" alt=\"\" class=\"wp-image-1905\" style=\"width:475px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-21-1024x435.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-21-300x127.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-21-768x326.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-21.png 1376w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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decoding=\"async\" width=\"914\" height=\"474\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-22.png\" alt=\"\" class=\"wp-image-1909\" style=\"width:362px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-22.png 914w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-22-300x156.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-22-768x398.png 768w\" sizes=\"auto, (max-width: 914px) 100vw, 914px\" 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srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-26-1024x519.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-26-300x152.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-26-768x389.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-26.png 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"667\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-27-1024x667.png\" alt=\"\" class=\"wp-image-1954\" style=\"width:522px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-27-1024x667.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-27-300x195.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-27-768x500.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-27.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"522\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-28-1024x522.png\" alt=\"\" class=\"wp-image-1996\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-28-1024x522.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-28-300x153.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-28-768x391.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-28.png 1476w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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allocate in segment 0\u4e4b\u7c7b\u7684\u60c5\u51b5<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"208\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-30-1024x208.png\" alt=\"\" class=\"wp-image-2001\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-30-1024x208.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-30-300x61.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-30-768x156.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/06\/image-30.png 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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sections\u4e2d<\/p>\n\n\n\n<p>\u4f46\u662f\u6709\u4e00\u4e2a\u5f88\u602a\u5f02\u7684\u884c\u4e3a\uff0c\u5c31\u662f\u5982\u679c\u6211\u628afsbl\u548cssbl\u51fd\u6570\u90fd\u653e\u5728\u540c\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u7136\u540e_start\u8c03\u7528fsbl\uff0cfsbl\u518d\u8c03\u7528ssbl\uff0c\u4f1a\u51fa\u73b0\u4e00\u4e2a\u5f88\u795e\u5947\u7684\u4e8b\u60c5\uff0c\u5c31\u662f\u5373\u4f7ffsbl\u548cssbl\u7684\u957f\u5ea6\u4e00\u6837\uff0cssbl\u4f1a\u53d8\u6210inline\u51fd\u6570\u800c\u5176section\u88ab\u4e22\u5f03\uff0c\u4f46\u662ffsbl\u4e0d\u4f1a\u53d8\u6210start\u7684\u5185\u8054\u51fd\u6570\uff0c\u4f46\u662f\u5982\u679c\u628assbl\u653e\u5728\u53e6\u4e00\u4e2a\u6587\u4ef6\u7531fsbl\u8c03\u7528\u65f6\uff0cssbl\u5c31\u4e5f\u4e0d\u4f1a\u662f\u5185\u8054\u51fd\u6570\uff0c\u8fd9\u4ef6\u4e8b\u672c\u6765\u6211\u5f88\u8ff7\u60d1\uff0c\u76f4\u5230\u6211\u51e0\u5929\u540e\u770bCSAPP\u7684\u7b2c\u4e94\u7ae0\u7684\u4e00\u4e2a\u65c1\u6ce8\uff0c\u5176\u4e2d\u8bf4\u201c\u9057\u61be\u7684\u662f\uff0cgcc\u53ea\u5c1d\u8bd5\u5728\u5355\u4e2a\u6587\u4ef6\u4e2d\u5b9a\u4e49\u51fd\u6570\u7684\u5185\u8054\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u4ed6\u65e0\u6cd5\u5e94\u7528\u4e8e\u66f4\u5e38\u89c1\u7684\u60c5\u51b5\uff0c\u5373\u4e00\u7ec4\u5e93\u51fd\u6570\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u88ab\u5b9a\u4e49\uff0c\u5374\u88ab\u5176\u4ed6\u6587\u4ef6\u5185\u7684\u51fd\u6570\u6240\u8c03\u7528\u201d\uff0c\u770b\u5b8c\u8fd9\u53e5\u8bdd\u6211\u5ffd\u7136\u60f3\u8d77\u8fd9\u4e2abug\u4e86\uff0c\u9042\u8bb0\u5f55\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u671f\u672b\u8003\u8bd5\u5f88\u4e45\u6ca1\u78b0ysyx\u4e86\uff0c\u56de\u987e\u4e00\u4e0b<\/p>\n\n\n\n<p>soc\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u5b9e\u73b0\uff08\u6216\u8005\u8bf4\u6dfb\u52a0\u81f3npc\uff09\u7684\u8bbe\u5907\u5927\u81f4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>uart\uff08\u8f93\u51fa\uff0c\u8f6e\u8be2\uff09<\/li>\n\n\n\n<li>mrom\uff08\u5df2\u5f03\u7528\uff09<\/li>\n\n\n\n<li>flash\uff08\u5b9e\u73b0\u4e86asic\u6a21\u5757\u4e2d\u7684flash\u63a7\u5236\u5668\u548cXIP\u6a21\u5f0f\uff09<\/li>\n\n\n\n<li>sram\uff08\u4f7f\u7528\u7684\u4f3c\u4e4e\u662frocket-chip\u76f8\u5173\u4ee3\u7801\uff09<\/li>\n\n\n\n<li>psram\uff08\u5b9e\u73b0\u4e86\u652f\u6301qpi mode\u7684psram\u9897\u7c92\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u4ee3\u7801\u548c\u6570\u636e\u521d\u653e\u5728flash\u4e2d\uff0c\u6839\u636eXIP\u8fdb\u884c\u8bbf\u5b58\uff0c\u9996\u5148\u6267\u884cbootloader\u5c06\u4ee3\u7801\u6570\u636e\u8f6c\u79fb\u81f3\u66f4\u5feb\u7684psram\u4e2d\uff0c\u7136\u540epc\u8df3\u8f6c\u81f3psram\u6267\u884c<\/p>\n\n\n\n<p>\u76ee\u524d\u8fdb\u5ea6\uff1a\u6b63\u5728\u5b9e\u73b0\u4e8c\u7ea7bootloader\uff0c\u4e00\u7ea7\u662f\u5c06\u4ee3\u7801\u548c\u6570\u636eflash-&gt;psram\uff0csram\u5f53\u4f5c\u6808\u533a\uff0c\u8bbe\u5907\u7b49\u8fd8\u662f\u5728trm\u7684\u8303\u56f4<\/p>\n\n\n\n<p>\u5728\u4e0d\u540c\u7684\u5185\u5b58\u8bbe\u5907\u4e4b\u95f4\u5207\u6362\u7528\u7684\u662f\u66f4\u6539\u94fe\u63a5\u811a\u672c\u4ee5\u53ca\u4fee\u6539\u4eff\u771f\u4ee3\u7801\uff08\u5185\u5b58\u9897\u7c92\u5185\u90e8\u90fd\u662fdpi-c\u63a5\u53e3\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"580\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-1024x580.png\" alt=\"\" class=\"wp-image-2036\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-1024x580.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-300x170.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-768x435.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image.png 1484w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4ece\u624b\u518c\u7684\u957f\u5ea6\u5c31\u53ef\u77e5\u8fd9\u4e2a\u4efb\u52a1\u7684\u96be\u5ea6\ud83d\ude2d\uff0cpsram\u6211\u662f\u76f4\u63a5\u6839\u636e\u5730\u5740\u7136\u540e\u8c03\u7528dpi-c\u63a5\u53e3\u7684\uff0c\u6ca1\u6709\u5728\u9897\u7c92\u4e2d\u6a21\u62df\u5730\u5740\u8bd1\u7801\u7b49\u64cd\u4f5c\uff0c\u4f46\u662fsdram\u6211\u9700\u8981\u6a21\u62df\u51farow\u548ccolumn\u7684\u7279\u6027\uff0c\u4f46\u662f\u7531\u4e8e\u662f\u6a21\u62df\uff0c\u4f3c\u4e4e\u53ef\u4ee5\u5b8c\u5168\u4e0d\u7ba1precharge\uff0c\u4f3c\u4e4e\u964d\u4f4e\u4e86\u4e0d\u5c11\u96be\u5ea6\uff0cprecharge\u5bf9\u5e94active\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4e5f\u4e0d\u592a\u9700\u8981\u4e13\u95e8\u6a21\u62dfactive\u4e86<\/p>\n\n\n\n<p>\u6211\u5ffd\u7136\u660e\u767d\u4e3a\u4ec0\u4e48\u6211\u4e4b\u524d\u5199psram\u9897\u7c92\u5982\u6b64\u96be\u4ee5\u5f00\u5934\u4e86\uff0c\u6211\u53d1\u73b0\u6700\u7ec8\u8fd8\u662f\u8981\u5f52\u56e0\u4e8e\u7535\u8def\u56fe\u4e2d\uff0c\u5982\u679c\u6211\u5199c\uff0c\u8bf4\u5b9e\u8bdd\u4e0d\u53ef\u80fd\u5b58\u5728\u52a8\u4e0d\u4e86\u624b\u7684\u60c5\u51b5\uff0c\u8fd9\u6b21sdram\u8bb2\u4e49\u7ed9\u4e86\u56fe\uff0c\u6211\u5ffd\u7136\u4e5f\u89c9\u5f97\u6ca1\u6709\u90a3\u4e48\u96be\u4e86\uff08\u6211\u53ea\u9700\u8981\u6309\u7167\u56fe\u7b80\u5316\u5b9e\u73b0\u4e00\u4e2a\u9897\u7c92\u4e0d\u5c31\u597d\u4e86\uff09\uff0c\u5176\u5b9e\u770b\u4ed6\u7684function diagram\uff0c\u5176\u5b9e\u4e5f\u5c31\u5927\u81f4\u5206\u63a7\u5236\u903b\u8f91\uff08\u5305\u62ec\u4e00\u5806\u5bc4\u5b58\u5668\uff09\u548c\u5b58\u50a8\u9635\u5217<\/p>\n\n\n\n<p>\u5206\u4e00\u4e0b\u6b65<\/p>\n\n\n\n<p>1\uff0c\u5b58\u50a8\u9635\u5217<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u5f88\u7b80\u5355\uff0c\u5185\u90e8\u8c03\u7528dpi-c\u51fd\u6570\u5373\u53ef<\/p>\n\n\n\n<p>2\uff0c\u63a7\u5236\u903b\u8f91<\/p>\n\n\n\n<p>\u9996\u5148\u770b\u770b\u65f6\u5e8f\u90e8\u5206\uff0c\u901a\u8fc7\u770b\u624b\u518c\u7b80\u5355diagram\uff0c\u5927\u81f4\u6709\u51e0\u4e2a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>state reg<\/li>\n\n\n\n<li>addr reg\uff08row\/column\uff09<\/li>\n\n\n\n<li>mode reg<\/li>\n\n\n\n<li>data io reg<\/li>\n<\/ul>\n\n\n\n<p>\u7136\u540e\u662f\u7ec4\u5408\u903b\u8f91\u90e8\u5206\uff0c\u5148\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u547d\u4ee4\u6765\u5927\u81f4\u5efa\u7acb\u8d77\u6846\u67b6\u5427\uff0c\u6bd4\u5982\u8bf4ACTIVE\u547d\u4ee4<\/p>\n\n\n\n<p>ACTIVE\uff1a\u7ed9\u51fa\u547d\u4ee4\uff0c\u547d\u4ee4\u7531\u8bd1\u7801\u903b\u8f91\u5224\u65ad\u51fa\u662factive\u547d\u4ee4\uff0c\u8bbe\u7f6estate reg\u4e2d\u7684active state reg\u67d0\u4e00\u4f4d\uff08\u6839\u636eba\u5730\u5740\u7ed9\u51fa\uff09\uff0crow addr reg\u76f8\u5bf9\u4e8e\u8fd9\u4e2aba\u7684\u90e8\u5206\u8bbe\u7f6e\u4e3a\u6240\u7ed9\u5730\u5740<\/p>\n\n\n\n<p>READ\uff1a\u7ed9\u51fa\u547d\u4ee4\uff0c\u8bd1\u7801\u903b\u8f91\u5224\u65ad\uff0c\u8bbe\u7f6e\u72b6\u6001\u673a\u7684state reg\u4e3aread\uff0c\u8fd9\u4e2a\u72b6\u6001\u4e2d\uff0c\u6839\u636eba\u8bfb\u51farow addr\uff0c\u518d\u6839\u636e\u7ed9\u51fa\u7684ca\u548cactive reg\u4f20\u7ed9\u5b58\u50a8\u9635\u5217\uff0c\u6839\u636eCAS \u5ef6\u8fdf\u5728\u9002\u5f53\u5468\u671f\u8fd4\u56de\u6570\u636e\uff0c\u8fd4\u56de\u6570\u636e\u65f6\u6839\u636eburst lenth\u8fd4\u56de\uff0c\u5982\u679c\u8bbe\u7f6e\u4e86auto precharge\uff0c\u5219\u81ea\u52a8\u5c06\u76f8\u5e94\u7684active reg\u7f6e\u7a7a<\/p>\n\n\n\n<p>WRITE\uff1a\u7ed9\u51fa\u547d\u4ee4\uff0c\u8bd1\u7801\u903b\u8f91\u5224\u65ad\uff0c\u8bbe\u7f6e\u72b6\u6001\u673a\u7684state reg\u4e3awrite\uff0c\u5728\u8fd9\u4e2a\u72b6\u6001\u4e2d\uff0c\u6839\u636eba\u8bfb\u51farow addr\uff0c\u518d\u6839\u636e\u7ed9\u51fa\u7684ca\u548cactive reg\u4f20\u7ed9\u5b58\u50a8\u9635\u5217\uff0c\u5e76\u5c06dq\u4e5f\u4f20\u7ed9\u5b58\u50a8\u9635\u5217\uff0c\u6839\u636eburst lenth\u4e00\u76f4\u83b7\u5f97\u65b0\u7684dq\u5e76\u4e14\u66f4\u65b0ca<\/p>\n\n\n\n<p>LOAD MODE REG\uff1a\u8fd9\u4e2a\u547d\u4ee4\u5c31\u7b80\u5355\u7684\u8bbe\u7f6emode reg\u5373\u53ef\uff0c\u6839\u636e\u8bb2\u4e49\uff0c\u6211\u53ea\u9700\u8981\u5b9e\u73b0\u5176\u4e2d\u7684cas latency\u548cburst lenth<\/p>\n\n\n\n<p>\u4e0a\u9762\u7684\u6d41\u7a0b\u5176\u5b9e\u548c\u4e4b\u524d\u8bbe\u8ba1\u5355\u5468\u671fcpu\u7684\u6d41\u7a0b\u601d\u60f3\u662f\u4e00\u6837\u7684\uff0c\u6839\u636e\u6587\u5b57\uff0c\u5e94\u8be5\u4e0d\u96be\u5b9e\u73b0sdram\u9897\u7c92\u4e86<\/p>\n\n\n\n<p>\u505a\u7684\u65f6\u5019\u53d1\u73b0\u6bd4\u8f83\u9700\u8981\u8003\u7a76\u7684\u662fcaslat\u548cburst lenth\u7684\u903b\u8f91\uff0c\u7279\u522b\u662f\u624b\u518c\u4e2d\u90a3\u4e9bread\u548cread\u65e0\u7f1d\u8854\u63a5\u4ee5\u53cawrite2read\uff0cread2write\uff0cwrite2write\u7684\u60c5\u51b5\uff0c\u8d8a\u81ea\u5df1\u5199\u8d8a\u80fd\u4f53\u4f1a\u8fd9\u4e2a\u903b\u8f91\u7684\u590d\u6742\uff0c\u6700\u4e3b\u8981\u7684\u662f\u60c5\u51b5\u6bd4\u8f83\u590d\u6742\uff0c\u5f88\u96be\u60f3\u8c61sdram\u63a7\u5236\u5668\u7684\u590d\u6742\u7a0b\u5ea6<\/p>\n\n\n\n<p>\u5173\u952e\u70b9\u5728\u4e8ecalat\u548cbl\u7684\u5237\u65b0\u65f6\u673a\uff0c\u5c31\u662f\u4ec0\u4e48\u65f6\u5019\u56de\u5230mode\u7684\u9ed8\u8ba4\u503c<\/p>\n\n\n\n<p>\u8fd8\u6709\u65f6\u5e8f\u95ee\u9898\uff0c\u63a7\u5236\u5668\u7684\u65f6\u949f\u548c\u9897\u7c92\u7684\u65f6\u949f\u662f\u53cd\u8fc7\u6765\u7684\uff0c\u5176\u5b9e\u53ef\u4ee5\u4ece\u624b\u518c\u4e2d\u53d1\u73b0\uff0c\u662f\u4e3a\u4e86\u5728\u9897\u7c92\u7684\u4e0a\u5347\u6cbf\u4e4b\u524d\u6570\u636e\u5fc5\u987b\u5df2\u7ecf\u7a33\u5b9a\uff0c\u6211\u5f88\u559c\u6b22\u8fd9\u79cd\uff0c\u8fd9\u79cd\u9700\u8981\u7528\u5bc4\u5b58\u5668\u6765\u7a0d\u5fae\u540c\u6b65\u4e00\u4e0b<\/p>\n\n\n\n<p>\u8fd8\u6709\u4e00\u70b9\uff0c\u5c31\u662fba\uff0cra\uff0cca\u4e4b\u95f4\u7684\u5173\u7cfb\u4e5f\u8981\u7406\u6e05\uff0c\u5982\u4f55\u901a\u8fc7\u8fd9\u4e09\u8005\u8ba1\u7b97\u51fa\u771f\u6b63\u7684\u5730\u5740\uff0c\u4e0d\u8fc7\u4e0d\u96be<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"499\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-1-1024x499.png\" alt=\"\" class=\"wp-image-2093\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-1-1024x499.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-1-300x146.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-1-768x374.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-1-1536x749.png 1536w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/07\/image-1.png 1616w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u9996\u5148\u51fa\u73b0\u7684\u95ee\u9898\u662fanalog\u4fe1\u53f7\u57fa\u672c\u53ea\u652f\u6301\u8fde\u63a5\u64cd\u4f5c\uff0c\u8fde\u6700\u57fa\u672c\u7684\u4ece\u4e2d\u53d6\u4f4d\u90fd\u505a\u4e0d\u5230\uff0c\u6240\u4ee5\u5b9e\u4f8b\u5316\u4e24\u4e2aSDRAM\u65f6\u5c31\u65e0\u6cd5\u8fde\u63a5\u5230SDRAMIO\u4e86\uff0c\u4e3a\u4e86\u89e3\u51b3\u5fc5\u987b\u5b9e\u4f8b\u5316\u4e00\u4e2a\u4e09\u6001\u95e8<\/p>\n\n\n\n<p>\u5982\u679c\u8bfb\u8005\u548c\u6211\u4e00\u6837\u4f7f\u7528dpi-c\u4f5c\u4e3a\u5e95\u5c42\u63a5\u53e3\uff0c\u53ef\u4ee5\u5728\u4eff\u771f\u73af\u5883\u4e3an\u4e2achips\u63d0\u4f9bn\u4e2a\u6307\u9488\uff0c\u6bcf\u4e2a\u6307\u9488\u72ec\u7acb\u5b58\u5728\uff0c\u800c\u5728chisel\u4e2d\u5c06\u8bfb\u51fa\u7684\u7ed3\u679c\u6574\u5408\u5373\u53ef<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u4efb\u52a1\u662f\u5c06\u4e00\u4e2a\u5f00\u6e90ip\u4ece16\u4f4d\u8f6c\u81f332\u4f4d\uff0c\u611f\u89c9\u6709\u70b9\u96be\u5ea6\uff0c\u5927\u69821k\u884cverilog\u4ee3\u7801\u5e94\u8be5\u8981\u57fa\u672c\u8bfb\u61c2\uff0c\u597d\u5728\u8fd9\u4e2aip\u7684\u6ce8\u91ca\u7ed9\u7684\u5f88\u8db3\ud83d\udc4d\ud83d\udc4d<\/p>\n\n\n\n<p>\u91cc\u9762\u6709\u4e2a\u72b6\u6001\u673a\uff0c\u6709\u4e00\u4e2a\u4fdd\u5b58\u72b6\u6001\u7684\u4fe1\u53f7\u53eb\u505atarget state\uff0c\u53ef\u4ee5\u5b66\u4e60\uff08\u4f46chisel\u597d\u50cf\u4e0d\u5bb9\u6613\u8fd9\u4e48\u5199<\/p>\n\n\n\n<p>\u8fd8\u6709\u4e00\u4e2a\u4e13\u95e8\u8bbe\u8ba1delay\u72b6\u6001\u4e5f\u633a\u4e0d\u9519\uff0c\u7136\u540e\u6839\u636e\u4e0d\u540c\u7684\u72b6\u6001\u8bbe\u7f6edelay\u5927\u5c0f\uff0c\u5982\u679c\u5728\u67d0\u4e2a\u72b6\u6001delay\u4e0d\u4e3a0\uff0c\u5728\u5b9e\u9645\u7684\u66f4\u65b0\u903b\u8f91\u4e2d\u5c31\u56de\u9677\u5165delay\u72b6\u6001\uff0c\u4f46\u662f\u5728\u72b6\u6001\u66f4\u65b0\u7684\u903b\u8f91\u4e2d\u5e76\u6ca1\u6709\u8bf4nextstate\u4e3a\u4ec0\u4e48delay\u72b6\u6001\uff0c\u800c\u662f\u628a\u72b6\u6001\u4e0b\u4e00\u4e2a\u72b6\u6001\u7684\u4fe1\u53f7\u4fdd\u5b58\u5728\u4e09\u79cd\u4e0d\u540c\u7684\u4fe1\u53f7\u4e2d\uff0cnextState\uff0ctargetState\uff0cdelayState\uff0c\u7136\u540e\u771f\u6b63\u7684\u66f4\u65b0\u5728\u4e09\u8005\u4e2d\u9009\u62e9\uff0c\u8bf4\u4e0d\u4e0a\u54ea\u91cc\u597d\uff0c\u4f46\u662f\u611f\u89c9\u8fd9\u79cd\u8282\u85d5\u770b\u8d77\u6765\u5f88\u723d<\/p>\n\n\n\n<p>\u96be\u5440\uff0c\u6700\u96be\u7684\u662f\u4fe1\u53f7\u540d\u5b57\u592a\u591a\u4e86\uff0c\u5f88\u96be\u7406\u6e05\u695a\uff0c\u7b97\u662f\u7c97\u7565\u7684\u770b\u4e86\u4e00\u904d\uff0c\u4f46\u662f\u8fd8\u662f\u611f\u89c9\u5f88\u4e71\uff0c\u4e0d\u77e5\u9053\u8981\u6539\u54ea\u4e9b\u5730\u65b9<\/p>\n\n\n\n<p>\u6240\u4ee5\u6211\u89c9\u5f97\u770bverilog\u4ee5\u53ca\u8fd9\u79cdRTL\u8fd8\u662f\u5fc5\u987b\u5148\u627e\u5230\u6700\u9876\u5c42\uff0c\u7136\u540e\u6162\u6162\u4e00\u5c42\u4e00\u5c42\u7684\u770binterface\uff0c\u4e4b\u540e\u518d\u770b\u903b\u8f91\u4ee5\u53ca\u72b6\u6001\u673a\uff0c\u6bd5\u7adf\u8fd9\u79cdRTL\u5f88\u591a\u903b\u8f91\u90fd\u662f\u5728\u4fe1\u53f7\u4e0a\u8fdb\u884c\u53d1\u6325\u7684<\/p>\n\n\n\n<p>\u597d\u4e0d\u5bb9\u6613\u5168\u90e8\u770b\u61c2\u4e86\uff08\u770b\u4e86n\u4e2a\u5c0f\u65f6\uff09<\/p>\n\n\n\n<p>\u5148\u6539READ command\uff0c\u6700\u4e3b\u8981\u7684\u5c31\u662f\u7b2c\u4e00\uff0c\u6539\u6570\u636e\u957f\u5ea6\uff0c\u7b2c\u4e8c\uff0c\u6539burst\u7c7b\u578b<\/p>\n\n\n\n<p>\u63a7\u5236\u5668\u7684READ\u662f\u901a\u8fc7\u8bb0\u5f55read\u4e8b\u4ef6\u6765\u8fdb\u884c\u65f6\u5e8f\u540c\u6b65\u7684\uff0c\u72b6\u6001\u4ec0\u4e48\u7684\u5e94\u8be5\u90fd\u4e0d\u9700\u8981\u6539\uff0c\u4f46\u662f\u8981\u6539\u90a3\u4e2a\u201cdata buffer\u201d\u6ce8\u91ca\u4e2d\u548c\u201cACK\u201d\u6ce8\u91ca\u4e2d\u7684\u903b\u8f91\uff0c\u4ed6\u901a\u8fc7\u4e00\u4e2abuffer\u6765\u533a\u5206\u4e0a\u4e0b16bits\uff0c\u8fd9\u91cc\u7684\u65f6\u5e8f\u6bd4\u8f83\u7cbe\u7ec6\uff0c\u8981\u5f88\u7cbe\u7ec6\u7684\u6539<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"141\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-45-1024x141.png\" alt=\"\" class=\"wp-image-2152\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-45-1024x141.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-45-300x41.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-45-768x106.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-45-1536x212.png 1536w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-45.png 1742w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4e2d\u95f4\u6709\u4e24\u4e2aclk\uff0crd\u5bc4\u5b58\u5668\u7b2c\u4e00\u4e2a\u5468\u671f\u4e3a0001\uff0c\u7b2c\u4e8c\u4e3a0010\uff0c\u7b2c\u4e09\u4e3a0100\uff0c\u4e8c\u4e09\u5468\u671f\u4e2d\u95f4sdram_data_in_w\u6570\u636e\u7a33\u5b9a\uff0c\u7b2c\u4e09\u4e2a\u5468\u671f\u4e0a\u5347\u6cbf\u88absample\uff0c\u7b2c\u56db\u4e2a\u5468\u671f\u4e3a1000\uff0c\u6b64\u65f6\u6570\u636e\u5230\u8fbesample_data_q\uff0c\u7b2c\u4e8c\u4e2a16bits\u5230\u8fbe\u524d\u4e00\u4e2a\u5bc4\u5b58\u5668\uff0c\u6b64\u65f6\u6309\u7167\u539f16bits\uff0csample_data_q\u4f1a\u88ab\u52a0\u8f7d\u5230data_buffer\u4e2d\uff0c\u4e0b\u4e00\u4e2a\u5468\u671fack\u88ab\u8bbe\u7f6e\u4e3a1\uff0c\u6570\u636e\u88ab\u7ed3\u5408ram_read_data_w = {sample_data_q, data_buffer_q}\uff0c\u53d1\u9001\u81f3\u603b\u7ebf\u4e2d\uff0c\u8fd9\u5c31\u662f\u63a7\u5236\u5668\u7684\u539f\u884c\u4e3a\uff08\u4f1a\u53d1\u73b0\u8fd9\u4e2a\u884c\u4e3a\u662f\u9519\u7684\uff0c\u81f3\u5c11\u548c\u7ed9\u7684\u6570\u636e\u624b\u518c\u7684\u65f6\u5e8f\u4e0d\u76f8\u7b26\u5408\uff0ccasLangtency\u5c11\u4e86\u4e00\u4e2a\uff0c\u7b97\u4e86\uff0c\u65e0\u4f24\u5927\u96c5\uff09<\/p>\n\n\n\n<p>\u73b0\u5728\u53d8\u621032bits\uff0c\u65e0\u9700databuffer\uff0cack\u9700\u8981\u63d0\u524d\u4e00\u4e2a\u5468\u671f\u8bbe\u7f6e<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"541\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-46-1024x541.png\" alt=\"\" class=\"wp-image-2153\" style=\"width:587px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-46-1024x541.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-46-300x158.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-46-768x406.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-46.png 1412w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6539\u8fd9\u4e24\u5904\u5373\u53ef<\/p>\n\n\n\n<p>\u7136\u540e\u662fWRITE command\uff0c\u8fd9\u4e2a\u4f3c\u4e4e\u6709\u4e9b\u9ebb\u70e6\uff0c\u53ef\u80fd\u9700\u8981\u6539\u72b6\u6001\u673a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"857\" height=\"1024\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-47-857x1024.png\" alt=\"\" class=\"wp-image-2159\" style=\"width:377px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-47-857x1024.png 857w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-47-251x300.png 251w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-47-768x917.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-47.png 1102w\" sizes=\"auto, (max-width: 857px) 100vw, 857px\" \/><figcaption class=\"wp-element-caption\">state transition\uff08\u7701\u7565\u6389\u4e86\u4e00\u4e9b\u4e0d\u91cd\u8981\u7684\u72b6\u6001\uff09<\/figcaption><\/figure>\n\n\n\n<p>wirte\u72b6\u6001\u6709\u4e24\u4e2a\uff0c\u72b6\u6001\u8f6c\u5316\u6ca1\u6709\u50cfread\u8fdb\u5165dalay\u72b6\u6001<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"153\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-48-1024x153.png\" alt=\"\" class=\"wp-image-2166\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-48-1024x153.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-48-300x45.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-48-768x115.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-48-1536x229.png 1536w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-48.png 1648w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u76f8\u5173\u4fe1\u53f7<\/figcaption><\/figure>\n\n\n\n<p>\u611f\u89c9\u4e5f\u4e0d\u96be\uff0c\u5c31\u662f\u5c06WRITE1\u7684\u66f4\u65b0\u903b\u8f91\u590d\u5236\u5230WRITE0\uff0c\u7136\u540e\u5728WRITE0\u7684command out\uff0c\u628a\u6570\u636e\u4f4d\u5bbd\uff0cdqm\u7b49\u6539\u4e00\u4e0b\u5c31\u597d\u4e86<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"416\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-49-1024x416.png\" alt=\"\" class=\"wp-image-2173\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-49-1024x416.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-49-300x122.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-49-768x312.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-49.png 1482w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u901a\u8fc7\u4e00\u70b9\u70b9\u7684\u6570\u5b66\u8ba1\u7b97\uff0c\u53ef\u4ee5\u53d1\u73b0\uff0c\u73b0\u5728\u6bcf\u4e00\u4e2achip\u662f32mB\uff0c\u4e4b\u524d\u901a\u8fc7\u5b57\u6269\u5c55\uff0c\u52a0\u4e86\u4e00\u4e2achip\uff0c\u6574\u4f53\u5bb9\u91cf\u53d8\u621064mb\uff0c\u6b64\u65f6\u5730\u5740\u7ebf\u4e3a24\u4f4d\uff0c\u6bcf\u4e00\u4e2a\u5730\u5740\u5bf9\u5e944\u5b57\u8282\uff0c\u73b0\u5728\u9700\u8981\u518d\u52a0\u4e24\u4e2achip\uff0c\u6bcf\u4e24\u4e2a\u5206\u4e00\u7ec4\uff0c\u79f0\u4e3a\u4e00\u4e2arank\uff0cba\u5730\u5740\u52a0\u4e00\u4f4d\u5427\uff08\u53cd\u6b63\u603b\u5730\u5740\u4f4d\u5fc5\u987b\u52a0\u4e00\u4e2a\uff0c\u52a0\u5728\u54ea\u91cc\u6bd4\u8f83\u597d\u634f\uff0c\u6211\u89c9\u5f97bank\u6bd4\u8f83\u597d\u5427\u5e94\u8be5\uff09\uff0c\u5730\u5740\u7ebf\u52a0\u4e00\u4f4d\uff0c\u5bb9\u91cf\u2716\ufe0f2\u3002\u4e0d\u5bf9\u4e0d\u5bf9\uff01\u4e0d\u53ef\u4ee5\u662fba\uff0c\u53cd\u5e94\u8fc7\u6765\u4e86\uff0c\u73b0\u5728\u5730\u5740\u7684\u589e\u957f\u7684row\u589e\u957f\u7684\u6700\u6162\uff0crow\u624d\u662f\u6574\u4e2a24\u5730\u5740\u7684\u9ad8\u4f4d\uff0c\u7c7b\u4f3c{ra, ba, ca}\u8fd9\u79cd\uff0c\u4f46\u662f\u5982\u679c\u589e\u52a0ra\uff0c\u5c31\u610f\u5473\u7740\u8981\u6539\u53d8a\u7684\u4f4d\u5bbd\uff0c\u4f46\u662fmode\u5bc4\u5b58\u5668\u4e5f\u662f\u5171\u4eab\u8fd9\u4e2aa\u7684\uff0c\u867d\u7136mode\u5bc4\u5b58\u5668\u7684\u9ad8\u4f4d\u662freserve\u7684\uff0c\u4f46\u662f\u611f\u89c9\u6539\u53d8\u4e86\u8bb8\u591a\u624b\u518c\u7684\u884c\u4e3a\u5440\uff0c\u96be\u53d7\u3002\u7b97\u4e86\uff0c\u6539\uff01\u6539a\u7684\u4f4d\u5bbd\u4e3a14\u3002\u5176\u5b9e\u9897\u7c92\u7684\u884c\u4e3a\u8fd8\u662f\u548c\u624b\u518c\u4e00\u6837\u7684\uff0c\u53ea\u662f\u63a7\u5236\u5668\u4ee5\u53ca\u6700\u4e0a\u5c42\u7684sdramio\u4f1a\u53d8\u800c\u5df2\uff0c\u6240\u4ee5\u8fd8\u597d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">IOE<\/mark><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"525\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-50-1024x525.png\" alt=\"\" class=\"wp-image-2180\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-50-1024x525.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-50-300x154.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-50-768x394.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-50.png 1482w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u9996\u5148\u5b9e\u73b0\u8fd9\u4e2a\u63a7\u5236\u5668\uff0c\u63a7\u5236\u5668\u7684\u5b9e\u73b0\u7684\u96be\u70b9\u4e3b\u8981\u662f\u8981\u5b9e\u73b0apb\u534f\u8bae\u7684\u4ea4\u4e92\uff0c\u4e0egpio\u7684\u4ea4\u4e92\u5f88\u5bb9\u6613\uff0c\u5c31\u662f\u76f4\u8fde\u5373\u53ef<\/p>\n\n\n\n<p>\u5199\u591a\u4e86\u7c7b\u4f3cspi\u8fd9\u79cd\u6076\u5fc3\u4e1c\u897f\uff0c\u770b\u5230apb\u611f\u89c9\u7709\u6e05\u76ee\u79c0\u7684\uff0c\u8212\u670d\uff08\u771f\u662f\u88abpsram\u6298\u78e8\u6015\u4e86\ud83d\ude29\uff09<\/p>\n\n\n\n<p>\u4e4b\u540e\u662f\u63a5\u5165NVBoard\uff0c\u66fe\u51e0\u4f55\u65f6\uff0c\u5f31\u5c0f\u7684\u6211\u66fe\u88ab\u8fd9\u4e2a\u4efb\u52a1\u6298\u78e8\uff0c\u6211\u6df1\u523b\u7684\u8bb0\u5f97\u90a3\u5929\uff0c\u4ece\u65e9\u4e0a\u5230\u592a\u9633\u843d\u5c71\uff0c\u88ab\u5404\u79cd\u5c0fbug\u5361\u4f4f\uff0c\u6700\u540e\u6210\u529f\u8dd1\u8d77\u6765\uff01\u9884\u5b66\u4e60\u90e8\u5206\u5370\u8c61\u6700\u6df1\u523b\u7684\u5c31\u662f\u8fd9\u4e2a\u548cps2\u952e\u76d8\u5b9e\u9a8c\uff0c\u73b0\u5728\u53c8\u8981\u9047\u89c1\u4e86\u8fd9\u4e24\u4e2a\u4e86\uff0c\uff08\u5f53\u4f60\u6ee1\u8eab\u795e\u88c5\u91cd\u9047\u65b0\u624b\u6751boss\uff09\uff0c\u8bf4\u5b9e\u8bdd\u5fc3\u91cc\u6709\u4e9b\u5fd0\u5fd1<\/p>\n\n\n\n<p>\u8fd9\u4e2anvboard\u8fd8\u662f\u6bd4\u8f83\u7b80\u5355\u7684\uff0c\u4e00\u4f1a\u513f\u5c31\u63a5\u4e0a\u4e86\u5e76\u8dd1\u4e0a\u4e86\u6d41\u6c34\u706f\uff0c\u5f00\u5173\u548c\u4e03\u6bb5\u6570\u7801\u7ba1\uff08\u8fd9\u4e2a\u9700\u8981\u5728\u5185\u90e8\u505a\u4e00\u4e9b\u8f6c\u5316\uff09<\/p>\n\n\n\n<p>\u540e\u9762\u6709\u4e2a\u5c55\u793artt\u7684\u9636\u6bb5\uff0c\u4f46\u662f\u6211\u4e4b\u524d\u5bf9\u6211\u7684\u5f02\u5e38\u5904\u7406\u8fdb\u884c\u4e86\u91cd\u6784\uff0c\u4e0d\u77e5\u9053\u80fd\u4e0d\u80fd\u8dd1\u8d77\u6765\uff08\u6211\u662f\u6253\u7b97\u5728\u6d41\u6c34\u7ebf\u9636\u6bb5\u518d\u771f\u6b63\u5b8c\u7f8e\u5b9e\u73b0\u5f02\u5e38\u5904\u7406\u7684\uff0c\u6bd5\u7adf\u73b0\u5728\u7684\u5b9e\u73b0\u4e4b\u540e\u4e5f\u4e00\u5b9a\u4f1a\u91cd\u6784\uff0c\u5e76\u4e14\u6211\u5bf9\u6211\u4e4b\u524d\u91cd\u6784\u7684\u5f02\u5e38\u5904\u7406\u8fd8\u662f\u5f88\u4e0d\u6ee1\u610f\uff09\u8fd9\u662f\u7b2c\u4e00\u4e2a\u9ebb\u70e6\u70b9\uff0c\u7b2c\u4e8c\u4e2a\u9ebb\u70e6\u70b9\u662f\u65f6\u949f\u8fd9\u4e2a\u4e1c\u897f\uff0crtt\u5e94\u8be5\u662f\u9700\u8981\u65f6\u949f\u8bbe\u5907\u7684\u5427\uff0c\u65f6\u949f\u8bbe\u5907SoC\u6ca1\u6709\u63d0\u4f9b\u4e00\u4e2a\u65f6\u949f\u8bbe\u5907\u7684\u63a5\u5165\uff0c\u8bf4\u662f\u65f6\u949f\u8bbe\u5907\u8981\u7528\u81ea\u5df1\u5b9e\u73b0\u7684\uff0c\u8fd9\u4e00\u70b9\u6211\u4e5f\u6ca1\u6709\u89e3\u51b3\uff0c\u7b2c\u4e09\u4e2a\u9ebb\u70e6\u70b9\u662fam\u7684\u7f16\u5199\uff0c\u73b0\u5728\u6211\u9664\u4e86trm.c\uff0c\u5176\u4ed6\u7684am\u90fd\u6ca1\u5199\u5b8c\uff0c\u5305\u62ecioe\u548ccte\uff0c\u6ca1\u6709\u8fd9\u4e24\u8005\u65e0\u6cd5\u628artt\u8dd1\u8d77\u6765\u3002\u603b\u800c\u8a00\u4e4b\uff0ccpu\uff0c\u8bbe\u5907\uff0c\u8f6f\u4ef6\uff0c\u5bf9\u4e8ertt\u6765\u8bf4\u6211\u90fd\u6ca1\u6709\u5199\u7684\u5f88\u5b8c\u5584\uff0c\u89e3\u51b3\u5b83\u4eec\u662f\u4e00\u4ef6\u6bd4\u8f83\u8d39\u795e\u7684\u4e8b\u60c5\u3002\u6240\u4ee5\u6211\u53ef\u80fd\u6253\u7b97\u6682\u65f6\u8df3\u8fc7\u8dd1rtt\u7684\u9636\u6bb5\uff0c\u7b49\u6211\u5c06SoC\u5168\u90e8\u505a\u5b8c\u4e4b\u540e\uff0c\u5728\u505acache\u4e4b\u524d\uff0c\u628a\u8fd9\u4e9b\u65e7\u8d26\u518d\u4e00\u5e76\u89e3\u51b3\u4e86<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"451\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-51-1024x451.png\" alt=\"\" class=\"wp-image-2209\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-51-1024x451.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-51-300x132.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-51-768x338.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-51.png 1486w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u4efb\u52a1\u6700\u9ebb\u70e6\u7684\u5c31\u662f\u9664\u6570\uff0c\u4f46\u662f\u4e5f\u4e0d\u96be\uff0c\u770b10\u5206\u949f\u5c31\u770b\u51fa\u6765\u4e86\uff08\u4e0d\u8fc7\u6211\u4e0d\u77e5\u9053\u5bf9\u4e0d\u5bf9&#8230;\u4f46\u662f\u770b\u8d77\u6765\u95ee\u9898\u4e0d\u5927\uff09<\/p>\n\n\n\n<p>\u5c31\u662fNVBoard\u7531\u4e8e\u6ca1\u6709\u65f6\u949f\uff0c\u4ed6\u7684\u65f6\u5e8f\u5b8c\u5168\u4f9d\u8d56\u4e8e\u4f60\u8c03\u7528\u4ed6\u7684\u63a5\u53e3\u7684\u65f6\u523b\uff0c\u6211\u662f\u5728\u6bcf\u6b21single cycle\u51fd\u6570\u8c03\u7528\u7ed3\u675f\u540e\u8c03\u7528\u7684\u4ed6\u7684updata\u51fd\u6570\uff0c\u5176\u5b9e\u4e5f\u5c31\u662f\u9690\u5f0f\u7684\u7ed9\u4e86nvboard\u4e00\u4e2a\u65f6\u949f\u7ea6\u675f\uff0cnvboard\u7684uart\u7684\u66f4\u65b0\u597d\u50cf\u662f\u7ef4\u62a4\u4e86\u4e00\u4e2acounter\uff0c\u4e00\u5f00\u59cb\u662f16-1\uff0c\u7136\u540e\u6bcf\u88abupdata\u4e00\u6b21\u5c31\u51cf\u4e00\uff0c\u6bcf\u6b21\u51cf\u52300\u540e\u6062\u590d\u523015\uff0c\u7136\u540e\u8c03\u7528tx\uff0crx\u76f8\u5173\u51fd\u6570\uff0c\u5c31\u6a21\u62df\u4e86\u6570\u636e\u5728\u4e32\u53e3\u4e2d\u8dd1\u4e8616\u4e2a\u5468\u671f\u624d\u5230\u76ee\u6807\u7aef\uff0c\u8fd9\u65f6\u5019\u518d\u63a5\u53d7\/\u53d1\u9001\u540e\u7eed\u7684<\/p>\n\n\n\n<p>\u7136\u540e\u6211\u7684rtl\u4ee3\u7801\u7684\u9664\u6570\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b<\/p>\n\n\n\n<p>\u9664\u6570=(system clock speed) \/ (16 x desired baud rate)<\/p>\n\n\n\n<p>\u5047\u8bbesystem clock speed\u662f16MHz\uff0c\u90a3\u4e48\u4e00\u79d2\u949f\u5c31\u670916000000\u4e2a\u65f6\u949f\u5468\u671f\uff0c\u5982\u679c\u6211\u5c06\u9664\u6570\u8bbe\u7f6e\u4e3a1\uff0c\u90a3\u4e48baud rate\u5c31\u662f1000000\u5b57\u7b26\/\u79d2\uff0c\u5c06\u79d2\u6362\u6210\u65f6\u949f\u5468\u671f\uff0c\u5c31\u662f1\/16\u5b57\u7b26\/\u5468\u671f\uff0c\u4e5f\u5c31\u662f16\u5468\u671f\/\u5b57\u7b26\uff0c\u4e5f\u5c31\u662f16\u5468\u671f\u4f20\u8f93\u4e00\u5b57\u7b26\uff0c\u548c\u4e0a\u8ff0nvboard\u76f8\u540c\uff0c\u5373\u5c06\u9664\u6570\u8bbe\u7f6e\u4e3a1<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"306\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-52-1024x306.png\" alt=\"\" class=\"wp-image-2215\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-52-1024x306.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-52-300x90.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-52-768x229.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-52.png 1506w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8349\u4e86\uff0c\u4e0d\u77e5\u9053\u4e3a\u5565\u5728am-test\u91cc\u9762\u8dd1\u4e0d\u8d77\u6765\uff0c\u4f1a\u62a5nvboard\u7684assert\uff0c\u4f46\u662f\u628aamtest\u4e00\u6837\u7684\u4ee3\u7801\u590d\u5236\u5230cputest\u5c31\u8dd1\u8d77\u6765\u4e86\uff0c\u5e76\u4e14\u63a5\u53d7\u5230\u4e86\u6b63\u786e\u7684\u6309\u952e\u4fe1\u606f\uff0c\u5947\u602a\u54e6\uff0c\u8fd9\u4e2aamtest\u662f\u4ec0\u4e48\u9b3c<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"657\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-53-1024x657.png\" alt=\"\" class=\"wp-image-2219\" style=\"width:256px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-53-1024x657.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-53-300x192.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-53-768x492.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-53.png 1048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"235\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-54-1024x235.png\" alt=\"\" class=\"wp-image-2223\" style=\"width:548px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-54-1024x235.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-54-300x69.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-54-768x176.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-54-1536x352.png 1536w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-54.png 1560w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4f3c\u4e4e\u662f\u8f93\u51fa\u7684\u95ee\u9898<\/p>\n\n\n\n<p>\u6211\u5f88\u6000\u7591\u662fbootloader\u6216\u8005\u662fsdram\u7684\u95ee\u9898\uff0c\u6211\u4e4b\u524d\u53ea\u6d4b\u8fc7\u4e00\u90e8\u5206\u7684\u5185\u5b58\uff0c\u5e76\u4e14\u5927\u591a\u4f7f\u7528uint32\u6d4b\u7684\uff0cbootloader\u7528\u7684\u662fchar\uff0c\u6211\u9700\u8981\u5b8c\u6210\u6d4b\u8bd5\u4e00\u4e0b\u3002\u4f46\u662f\u6211\u4e3a\u4ec0\u4e48\u6362\u6210psram\u4e5f\u5bc4\u4e86\uff0c\u4e3a\u4ec0\u4e48\u5440\uff0c\u4e0d\u4f1a\u771f\u7684\u662fbootloader\u7684\u95ee\u9898\u5427\uff0c\u8fd8\u662f\u6211\u94fe\u63a5\u811a\u672c\u5199\u7684\u95ee\u9898\uff1f\u6bcf\u6b21\u8dd1\u4e00\u904d\u8fd8\u8981\u597d\u4e45\uff0cdebug\u4e5f\u4e0d\u597d\u505a\uff0c\u5410\u4e86<\/p>\n\n\n\n<p>\u4f3c\u4e4e\u5c31\u662fbootloader\u7684\u9505\uff0c\u6211\u76841284\u5904\u7684\u6307\u4ee4\u8bfb\u51fa\u6765\u7684\u662f1288\u7684\u4ee3\u7801\u503c<\/p>\n\n\n\n<p>\u7834\u6848\u4e86<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"251\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-55-1024x251.png\" alt=\"\" class=\"wp-image-2240\" style=\"width:435px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-55-1024x251.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-55-300x73.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-55-768x188.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-55.png 1152w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u8fd9\u662f\u6b63\u5e38\u7684<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"239\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-56-1024x239.png\" alt=\"\" class=\"wp-image-2241\" style=\"width:441px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-56-1024x239.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-56-300x70.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-56-768x179.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-56.png 1190w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u8fd9\u662f\u4e0d\u6b63\u5e38\u7684<\/figcaption><\/figure>\n\n\n\n<p>\u52a0\u4e00\u4e2aalign(1)\u5728text\u6bb5\u4e0a\u5c31\u89e3\u51b3\u4e86<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u5728uart\u63a5\u53d7\u7684\u5b57\u7b26\u8d85\u8fc716\u6b21\u540e\u4f1a\u7206\u70b8\uff0c\u8fd9\u4e2a\u95ee\u9898\u8fd8\u662f\u5f88\u4e45\u5f88\u4e45\u4ee5\u524d\uff08\u5927\u698220\u5929\u4ee5\u524d\uff09\u4e00\u4e2a\u4eba\u5728\u5fae\u4fe1\u7fa4\u95ee\u7684\uff0c\u6211\u5f53\u65f6\u6709\u70b9\u5370\u8c61\uff0c\u7136\u540e\u81ea\u5df1\u9047\u89c1\u4e4b\u540e\u5c31\u60f3\u8d77\u4e86\uff0c\u8981\u662f\u6211\u81ea\u5df1\u89e3\u51b3\u4f30\u8ba1\u8981\u82b1\u633a\u4e45\u65f6\u95f4\u7684\uff0c\u4f46\u662f\u4ed6\u6700\u540e\u8bf4\u662f\u8981\u8f6e\u8bad\u67d0\u4e2a\u5bc4\u5b58\u5668\uff0cok\uff0c\u76f4\u63a5\u65e0\u75db\u89e3\u51b3hhhhh<\/p>\n\n\n\n<p>\u57fa\u672c\u539f\u7406\u5c31\u662f\u8f6e\u8badlsr\u5bc4\u5b58\u5668\uff0c\u91cc\u9762\u6709\u4e00\u4f4d\u6307\u793a\u5176\u4e2d\u63a5\u6536FIFO\u6709\u6ca1\u6709\u503c\uff0c\u5982\u679c\u6709\u503c\u5c31\u662f1\u6ca1\u503c\u5c31\u662f0\uff0c\u4e00\u5f00\u59cb\u6ca1\u6709\u503c\u4f46\u662f\u8bfb\u51fa\u6765\u7684\u662f0\uff0c\u8fd9\u79cd\u60c5\u51b5\u88ab\u6211\u6355\u83b7\u5230\u4e86\uff0c\u4f46\u662f\u5f53\u63a5\u53d716\u4e2a\u4e4b\u540e\uff0c\u5982\u679c\u6ca1\u6709\u503c\uff0c\u6307\u9488\u5934\u4f1a\u56de\u5230\u5f00\u5934\uff0c\u6b64\u65f6\u8bfb\u51fa\u7684\u503c\u4e0d\u662f\u96f6\uff0c\u4f46\u662f\u6ca1\u6709\u88ab\u6211\u6355\u83b7\u5230\u8fd9\u79cd\u60c5\u51b5\uff0c\u5c31\u4f1a\u51fa\u73b0\u4e0d\u65ad\u8f93\u51fa\u8fd9\u4e2a\u503c\u7684\u60c5\u51b5\uff0c\u4f46\u662f\u5176\u5b9e\u6b64\u65f6\u91cc\u9762\u662f\u65e0\u6548\u6570\u636e\uff0clsr\u7684\u67d0\u4e00\u4f4d\u4e3a0\uff0c\u6240\u4ee5\u9700\u8981\u8f6e\u8bad\u8fd9\u4e2a\u5bc4\u5b58\u5668\u7684\u8fd9\u4e00\u4f4d\uff0c\u5982\u679c\u503c\u662f0\u7684\u8bdd\uff0c\u8fd4\u56de0xff<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"203\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-57-1024x203.png\" alt=\"\" class=\"wp-image-2252\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-57-1024x203.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-57-300x60.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-57-768x153.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-57.png 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8df3\u8fc7rtt\u90e8\u5206\uff08\u539f\u56e0\u89c1\u4e0a\uff09\u505a\u5b8csoc\u5168\u90e8\u518d\u89e3\u51b3\u6b64\u95ee\u9898<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"631\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-58-1024x631.png\" alt=\"\" class=\"wp-image-2257\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-58-1024x631.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-58-300x185.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-58-768x474.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-58.png 1492w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"802\" height=\"1024\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-59-802x1024.png\" alt=\"\" class=\"wp-image-2262\" style=\"width:310px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-59-802x1024.png 802w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-59-235x300.png 235w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-59-768x981.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-59.png 1004w\" sizes=\"auto, (max-width: 802px) 100vw, 802px\" 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class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"990\" height=\"330\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-60.png\" alt=\"\" class=\"wp-image-2269\" style=\"width:432px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-60.png 990w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-60-300x100.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-60-768x256.png 768w\" sizes=\"auto, (max-width: 990px) 100vw, 990px\" 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class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"874\" height=\"566\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-61.png\" alt=\"\" class=\"wp-image-2283\" style=\"width:356px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-61.png 874w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-61-300x194.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-61-768x497.png 768w\" sizes=\"auto, (max-width: 874px) 100vw, 874px\" 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class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"852\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-62-1024x852.png\" alt=\"\" class=\"wp-image-2293\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-62-1024x852.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-62-300x250.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-62-768x639.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-62.png 1490w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6211\u4e00\u5f00\u59cb\u6709\u70b9\u8ff7\u60d1\u8fd9\u4e2a\u5e27\u7f13\u51b2\u662f\u5206\u914d\u5728\u54ea\u4e2a\u5668\u4ef6\u7684\u5185\u5b58\uff0c\u6211\u8fd8\u4ee5\u4e3a\u662fsoc\u7684\u90a3\u4e2aSRAM\uff0c\u4f46\u662f\u611f\u89c9\u4e0d\u592a\u662f<\/p>\n\n\n\n<p>\u6211\u6700\u540e\u89c9\u5f97\u6574\u4e2a\u8bbe\u8ba1\u5e94\u8be5\u662f\u8fd9\u6837\u7684\uff1a\u5e27\u7f13\u51b2\u662f\u5206\u914d\u5728\u63a7\u5236\u5668\u4e2d\u7684\u4e00\u4e2a\u72ec\u7acb\u5668\u4ef6\uff0c\u7136\u540e\u4e0a\u5c42\u8f6f\u4ef6\u5bf9\u8fd9\u4e00\u6bb5\u5e27\u7f13\u51b2\u8fdb\u884c\u8bfb\/\u5199\uff08\u901a\u8fc7apb\u63a5\u53e3\uff09\uff0c\u7136\u540e\u63a7\u5236\u5668\u518d\u4e0d\u65ad\u6839\u636e\u5e27\u7f13\u51b2\u7684\u5185\u5bb9\u8f93\u51fa\u5185\u5bb9\u5230\u5916\u90e8\u63a5\u53e3\uff0c\u6211\u4e00\u5f00\u59cb\u8fd8\u4ee5\u4e3a\u662f\u76f4\u63a5cpu\u5bf9\u67d0\u4e00\u90e8\u5206\u8fdb\u884c\u5199\u7136\u540e\u8fd9\u4e00\u90e8\u5206\u76f4\u63a5\u8f93\u51fa\u5230\u5916\u90e8\u63a5\u53e3\uff08\u4f46\u611f\u89c9\u4e5f\u4e0d\u662f\u4e0d\u884c\uff1f\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"264\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-63-1024x264.png\" alt=\"\" class=\"wp-image-2294\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-63-1024x264.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-63-300x77.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-63-768x198.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-63.png 1496w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u540e\u9762\u8fd9\u4e2a\u610f\u601d\u5e94\u8be5\u662f\u5e27\u7f13\u51b2\u4e0d\u5b9e\u5728\u63a7\u5236\u5668\u4e2d\u7684\uff0c\u800c\u662f\u5728\u771f\u6b63\u7684\u5185\u5b58\u5668\u4ef6\u4e2d\u7684\uff0c\u6bd4\u5982\u8bf4SDRAM\uff0c\u7136\u540eVGA\u63a7\u5236\u5668\u6709\u4e00\u4e2a\u4e0eSDRAM\u901a\u4fe1\u7684\u63a5\u53e3\uff08\u800c\u4e0d\u662f\u4e0eCPU\u76f4\u63a5\u8fdb\u884c\u603b\u7ebf\u8fde\u63a5\uff09\uff0c\u81f3\u4e8e\u4f1a\u9020\u6210\u7684\u95ee\u9898\uff0c\u6211\u89c9\u5f97\u5c31\u662f\u5185\u5b58\u51b2\u7a81\uff1f\u60f3\u4e0d\u51fa\u8fd8\u6709\u4ec0\u4e48\u95ee\u9898\uff0c\u4ee5\u53ca\u8bb2\u4e49\u7684\u610f\u601d\u8fd8\u6709\u53ef\u80fd\u5c31\u662fVGA\u6ca1\u6709\u4e0eSDRAM\u8fdb\u884c\u901a\u4fe1\u7684\u603b\u7ebf\u8fde\u63a5\uff0c\u6216\u8005\u662fsdram\u592a\u6162\u4e86\uff08\u6211\u53d1\u73b0\u5357\u5927\u5b9e\u9a8c\u4e2d\u8fd8\u4e13\u95e8\u7ed9\u51fa\u4e86\u65f6\u949f\u5206\u9891\u7684\u4ee3\u7801\uff0c\u770b\u7684\u65f6\u5019\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\uff0c\u73b0\u5728\u61c2\u4e86\uff0c\u4ed6\u662f\u6bcf\u4e00\u4e2apclk\u7684\u65f6\u95f4\u90fd\u5fc5\u987b\u53d1\u9001\u4e00\u4e2a\u50cf\u7d20\u6570\u636e\u51fa\u53bb\uff0c\u4f46\u662f\u6839\u636e\u5730\u5740\u5728\u5e27\u7f13\u51b2\u4e2d\u8bfb\u7684\u65f6\u95f4\u6bd4\u4e00\u4e2aclk\u8981\u5927\uff08\u9664\u975e\u662fregFile\u7684\u90a3\u79cd\u65f6\u5e8f\uff09\uff0c\u6240\u4ee5\u8fd9\u4e2a\u5206\u9891\u65f6\u95f4\u591a\u51fa\u6765\u7684\u65f6\u95f4\u662f\u9884\u7559\u7ed9\u4ece\u5185\u5b58\u4e2d\u8bfb\u503c\u51fa\u6765\u7684\u65f6\u95f4\uff0c\u6211\u5ffd\u7136\u53d1\u73b0\u4e4b\u524d\u505a\u7684\u6bcf\u4e00\u4e2a\u5185\u5b58\u9897\u7c92\uff08sdram\uff0cpsram&#8230;.\uff09\u6211\u90fd\u662f\u5185\u90e8\u8c03dpi-c\u5b9e\u73b0\u7ec4\u5408\u8bfb\u7684\uff0c\u7136\u540e\u518d\u6a21\u62df\u51fa\u8bfb\u7684\u5ef6\u8fdf\uff0c\u6240\u4ee5\u8fd9\u4e9b\u5185\u5b58\u9897\u7c92\u548c\u8fd9\u4e9b\u5916\u8bbe\u6839\u672c\u6ca1\u6709\u672c\u8d28\u7684\u533a\u522b\uff0c\u53ea\u662fIO\u603b\u7ebf\u6709\u5bf9\u73b0\u5b9e\u4e16\u754c\u7684\u63a5\u53e3\uff08\u8fd9\u4e2a\u662f\u6839\u636envboard\u6a21\u62df\u7684\uff09\uff0c\u800c\u5185\u5b58\u603b\u7ebf\u662f\u8bbf\u95ee\u677f\u5361\u4e0a\u9762\u5df2\u7ecf\u5b58\u5728\u7684\u5185\u5b58\u9897\u7c92\uff0c\u8fd9\u4e9b\u601d\u8003\u662f\u6211\u8bfb\u5230chisel\u7684Mem 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src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-64-1024x456.png\" alt=\"\" class=\"wp-image-2298\" style=\"width:472px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-64-1024x456.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-64-300x133.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-64-768x342.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-64.png 1160w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u63a5\u53e3\u611f\u89c9\u5f88\u6709\u610f\u601d\uff0c\u4f1a\u53d1\u73b0addr\u662foutput\uff0c\u4f46\u662fapb\u7684addr\u662finput\uff0c\u8fd9\u5176\u5b9e\u5c31\u662f\u56e0\u4e3a\u4e24\u4e2aaddr\u662f\u4e0d\u540c\u7684addr\u4f46\u662f\u540c\u65f6\u5728\u64cd\u4f5c\u5e27\u7f13\u51b2\uff0c\u6211\u4e0a\u5c42\u7684\u63a7\u5236\u5668\u6a21\u5757\u63a5\u6536\u5230apb\u63a5\u53e3\u7684addr\uff0c\u8bfb\/\u5199\u5e27\u7f13\u51b2\uff0c\u63a7\u5236\u5668\u518d\u4f7f\u7528addr\u6765\u8bfb\u5e27\u7f13\u51b2\uff0c\u4ee5\u6b64\u6765\u53d1\u9001\u51fa\u53bb\u3002<\/p>\n\n\n\n<p>\u81f3\u4e8e\u63a7\u5236\u5668\u7684\u5185\u90e8\u5b9e\u73b0\u5462\uff0c\u6ca1\u6709\u4ec0\u4e48\u96be\u7684\uff0c\u6700\u4e3b\u8981\u7684\u5c31\u662f\u9075\u5faa\u8fd9\u4e2a\u56fe<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"915\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-65-1024x915.png\" alt=\"\" class=\"wp-image-2299\" style=\"width:742px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-65-1024x915.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-65-300x268.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-65-768x686.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-65-1536x1372.png 1536w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-65.png 1556w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-67-2048x1581.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u592a\u5361\u4e86\uff0c\u8dd1\u4e0d\u8d77\u6765\u4e00\u70b9<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"196\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-66-1024x196.png\" alt=\"\" class=\"wp-image-2336\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-66-1024x196.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-66-300x57.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-66-768x147.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-66.png 1484w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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2\u63e1\u624b\u72b6\u6001\u8f6c\u79fb. 3data path 4\u63e1\u624b\u72b6\u6001\u673a\u8f93\u51fa\u903b\u8f91\uff0c\u4e4b\u524d\u7684\u5f02\u5e38\u903b\u8f91\u548cdata 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class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"877\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-68-1024x877.png\" alt=\"\" class=\"wp-image-2371\" style=\"width:319px;height:auto\" srcset=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-68-1024x877.png 1024w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-68-300x257.png 300w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-68-768x657.png 768w, https:\/\/www.yizishun.com\/wp-content\/uploads\/2024\/05\/image-68.png 1208w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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