{"id":80555,"date":"2026-03-05T12:58:06","date_gmt":"2026-03-05T04:58:06","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/80555.html"},"modified":"2026-03-05T12:58:06","modified_gmt":"2026-03-05T04:58:06","slug":"soc%e8%ae%be%e8%ae%a1%e4%b8%ad%e7%9a%84%e6%80%bb%e7%ba%bf%e5%8d%8f%e8%ae%ae%ef%bc%9aaxi%e3%80%81ahb%e4%b8%8eapb%e7%9a%84%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/80555.html","title":{"rendered":"SoC\u8bbe\u8ba1\u4e2d\u7684\u603b\u7ebf\u534f\u8bae\uff1aAXI\u3001AHB\u4e0eAPB\u7684\u5bf9\u6bd4"},"content":{"rendered":"

SoC\u8bbe\u8ba1\u4e2d\u7684\u603b\u7ebf\u534f\u8bae：AXI\u3001AHB\u4e0eAPB\u7684\u5bf9\u6bd4<\/h2>\n

\u6458\u8981<\/h3>\n

\u5728\u7247\u4e0a\u7cfb\u7edf（SoC）\u8bbe\u8ba1\u4e2d，\u5404\u4e2aIP\u6838\u4e4b\u95f4\u9700\u8981\u901a\u8fc7\u7247\u4e0a\u603b\u7ebf（On-Chip Bus）\u8fdb\u884c\u901a\u4fe1\u3002ARM\u516c\u53f8\u63d0\u51fa\u7684AMBA（Advanced Microcontroller Bus Architecture）\u603b\u7ebf\u534f\u8bae\u65cf\u662f\u4e1a\u754c\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684\u7247\u4e0a\u4e92\u8054\u6807\u51c6，\u5176\u4e2dAXI\u3001AHB\u548cAPB\u662f\u6700\u6838\u5fc3\u7684\u4e09\u79cd\u534f\u8bae\u3002\u672c\u6587\u5c06\u6df1\u5165\u5bf9\u6bd4\u8fd9\u4e09\u79cd\u534f\u8bae\u7684\u7279\u6027\u3001\u9002\u7528\u573a\u666f\u53ca\u5176\u5173\u952e\u8bbe\u8ba1\u8981\u70b9\u3002<\/p>\n

1. AMBA\u534f\u8bae\u65cf\u6982\u89c8<\/h3>\n

AMBA\u534f\u8bae\u65cf\u7ecf\u5386\u4e86\u591a\u4e2a\u7248\u672c\u7684\u6f14\u8fdb，\u76ee\u524d\u4e3b\u6d41\u7248\u672c\u5305\u62ec：<\/p>\n\n\u534f\u8bae\u5168\u79f0\u4e3b\u8981\u7279\u6027\u5178\u578b\u5e94\u7528\u573a\u666f<\/tr>\n\n\n\n\n\n\n
AXI4<\/td>\nAdvanced eXtensible Interface 4<\/td>\n\u9ad8\u6027\u80fd\u3001\u652f\u6301\u7a81\u53d1\u4f20\u8f93\u3001\u8bfb\u5199\u901a\u9053\u5206\u79bb<\/td>\n\u9ad8\u5e26\u5bbdIP\u6838（CPU\u3001GPU\u3001DMA）<\/td>\n<\/tr>\n
AXI4-Lite<\/td>\nAXI4\u8f7b\u91cf\u7248<\/td>\n\u7b80\u5316\u7248AXI，\u65e0\u7a81\u53d1\u4f20\u8f93<\/td>\n\u5bc4\u5b58\u5668\u8bbf\u95ee\u3001\u4f4e\u901f\u63a7\u5236\u63a5\u53e3<\/td>\n<\/tr>\n
AXI4-Stream<\/td>\nAXI4\u6d41\u5f0f\u7248<\/td>\n\u5355\u5411\u6570\u636e\u6d41，\u65e0\u5730\u5740\u901a\u9053<\/td>\n\u89c6\u9891\u6d41\u3001\u97f3\u9891\u6d41\u3001DSP\u6570\u636e\u6d41<\/td>\n<\/tr>\n
AHB<\/td>\nAdvanced High-performance Bus<\/td>\n\u4e2d\u7b49\u6027\u80fd，\u652f\u6301\u7a81\u53d1\u4f20\u8f93<\/td>\n\u4e2d\u7b49\u5e26\u5bbdIP\u6838（Flash\u63a7\u5236\u5668）<\/td>\n<\/tr>\n
APB<\/td>\nAdvanced Peripheral Bus<\/td>\n\u4f4e\u529f\u8017\u3001\u4f4e\u5e26\u5bbd\u3001\u7b80\u5355\u63a5\u53e3<\/td>\n\u4f4e\u901f\u5916\u8bbe（UART\u3001SPI\u3001GPIO）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. AXI4\u534f\u8bae\u8be6\u89e3<\/h3>\n

AXI4\u662fAMBA\u534f\u8bae\u65cf\u4e2d\u6027\u80fd\u6700\u9ad8\u7684\u534f\u8bae，\u5176\u6838\u5fc3\u7279\u6027\u5305\u62ec：<\/p>\n

    \n
  • \u4e94\u4e2a\u72ec\u7acb\u901a\u9053：\u5199\u5730\u5740\u901a\u9053（AW）\u3001\u5199\u6570\u636e\u901a\u9053（W）\u3001\u5199\u54cd\u5e94\u901a\u9053（B）\u3001\u8bfb\u5730\u5740\u901a\u9053（AR）\u3001\u8bfb\u6570\u636e\u901a\u9053（R）\u3002\u8bfb\u5199\u901a\u9053\u5b8c\u5168\u5206\u79bb，\u652f\u6301\u5168\u53cc\u5de5\u64cd\u4f5c\u3002<\/li>\n
  • Outstanding Transactions：\u4e3b\u8bbe\u5907\u53ef\u4ee5\u5728\u6536\u5230\u524d\u4e00\u4e2a\u4e8b\u52a1\u7684\u54cd\u5e94\u4e4b\u524d，\u53d1\u51fa\u591a\u4e2a\u65b0\u7684\u4e8b\u52a1\u8bf7\u6c42，\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u603b\u7ebf\u5229\u7528\u7387\u3002<\/li>\n
  • \u7a81\u53d1\u4f20\u8f93（Burst）：\u652f\u6301\u6700\u957f256\u62cd\u7684\u7a81\u53d1\u4f20\u8f93，\u51cf\u5c11\u5730\u5740\u4f20\u8f93\u7684\u5f00\u9500\u3002<\/li>\n
  • \u63e1\u624b\u673a\u5236（Handshake）：\u6bcf\u4e2a\u901a\u9053\u4f7f\u7528VALID\/READY\u63e1\u624b\u4fe1\u53f7，\u53d1\u9001\u65b9\u7f6eVALID\u8868\u793a\u6570\u636e\u6709\u6548，\u63a5\u6536\u65b9\u7f6eREADY\u8868\u793a\u53ef\u4ee5\u63a5\u6536，\u4e24\u8005\u540c\u65f6\u4e3a\u9ad8\u65f6\u5b8c\u6210\u4e00\u6b21\u63e1\u624b\u3002<\/li>\n<\/ul>\n

    \/\/ AXI4\u5199\u4e8b\u52a1\u65f6\u5e8f\u793a\u610f
    \nACLK : _|\u203e|_|\u203e|_|\u203e|_|\u203e|_|\u203e|_
    \nAWVALID : _____|\u203e\u203e\u203e\u203e\u203e\u203e\u203e\u203e\u203e\u203e\u203e\u203e\u203e|___
    \nAWREADY : _________|\u203e\u203e\u203e\u203e\u203e\u203e\u203e\u203e\u203e|___
    \n\/\/ AWVALID & AWREADY\u540c\u65f6\u4e3a\u9ad8 => \u5730\u5740\u63e1\u624b\u5b8c\u6210<\/p>\n

    3. AHB\u534f\u8bae\u8be6\u89e3<\/h3>\n

    AHB\u662f\u4e00\u79cd\u5171\u4eab\u603b\u7ebf\u534f\u8bae，\u5176\u7279\u6027\u5305\u62ec：<\/p>\n

      \n
    • \u6d41\u6c34\u7ebf\u64cd\u4f5c：\u5730\u5740\u76f8\u4f4d\u548c\u6570\u636e\u76f8\u4f4d\u662f\u6d41\u6c34\u7ebf\u5316\u7684，\u5373\u5f53\u524d\u4e8b\u52a1\u7684\u6570\u636e\u76f8\u4f4d\u4e0e\u4e0b\u4e00\u4e2a\u4e8b\u52a1\u7684\u5730\u5740\u76f8\u4f4d\u540c\u65f6\u8fdb\u884c\u3002<\/li>\n
    • \u5355\u4e00\u4e3b\u8bbe\u5907：\u5728\u4efb\u610f\u65f6\u523b，\u53ea\u6709\u4e00\u4e2a\u4e3b\u8bbe\u5907\u53ef\u4ee5\u63a7\u5236\u603b\u7ebf（\u901a\u8fc7\u4ef2\u88c1\u5668\u5b9e\u73b0）\u3002<\/li>\n
    • \u7a81\u53d1\u4f20\u8f93：\u652f\u6301\u591a\u79cd\u7a81\u53d1\u7c7b\u578b（SINGLE\u3001INCR\u3001WRAP）\u3002<\/li>\n<\/ul>\n

      4. APB\u534f\u8bae\u8be6\u89e3<\/h3>\n

      APB\u662f\u4e00\u79cd\u7b80\u5355\u7684\u975e\u6d41\u6c34\u7ebf\u534f\u8bae，\u4e13\u4e3a\u4f4e\u529f\u8017\u5916\u8bbe\u8bbe\u8ba1：<\/p>\n

        \n
      • \u7b80\u5355\u63e1\u624b：\u4f7f\u7528PSEL\u3001PENABLE\u3001PWRITE\u7b49\u7b80\u5355\u4fe1\u53f7，\u65e0\u9700\u590d\u6742\u7684\u63e1\u624b\u673a\u5236\u3002<\/li>\n
      • \u4e24\u62cd\u5b8c\u6210：\u4e00\u4e2aAPB\u4e8b\u52a1\u901a\u5e38\u5728\u4e24\u4e2a\u65f6\u949f\u5468\u671f\u5185\u5b8c\u6210（Setup\u9636\u6bb5\u548cAccess\u9636\u6bb5）\u3002<\/li>\n
      • \u4f4e\u529f\u8017：\u7531\u4e8e\u63a5\u53e3\u7b80\u5355，\u5916\u8bbe\u53ea\u9700\u5728PSEL\u6709\u6548\u65f6\u624d\u6fc0\u6d3b，\u5927\u90e8\u5206\u65f6\u95f4\u5904\u4e8e\u4f4e\u529f\u8017\u72b6\u6001\u3002<\/li>\n<\/ul>\n

        5. \u5982\u4f55\u9009\u62e9？<\/h3>\n

        \u5728SoC\u8bbe\u8ba1\u4e2d，\u901a\u5e38\u91c7\u7528\u5206\u5c42\u603b\u7ebf\u67b6\u6784：\u9ad8\u6027\u80fdIP\u6838（CPU\u3001GPU）\u8fde\u63a5\u5230AXI\u603b\u7ebf，\u4e2d\u7b49\u6027\u80fdIP\u6838\u8fde\u63a5\u5230AHB\u603b\u7ebf，\u4f4e\u901f\u5916\u8bbe\u8fde\u63a5\u5230APB\u603b\u7ebf，\u5c42\u6b21\u4e4b\u95f4\u901a\u8fc7\u6865\u63a5\u5668（Bridge）\u76f8\u8fde\u3002<\/p>\n

        \u7ed3\u8bba<\/h3>\n

        AXI\u3001AHB\u548cAPB\u5404\u6709\u5176\u8bbe\u8ba1\u76ee\u6807\u548c\u9002\u7528\u573a\u666f\u3002\u7406\u89e3\u8fd9\u4e09\u79cd\u534f\u8bae\u7684\u7279\u6027，\u662f\u8fdb\u884cSoC\u67b6\u6784\u8bbe\u8ba1\u548cIP\u6838\u96c6\u6210\u7684\u57fa\u7840\u3002<\/p>\n

        \n

        \u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u7f51\u7ad9：www.bcbao.club<\/p>\n

        \u66f4\u591aIC\u8bbe\u8ba1\u4e0e\u9a8c\u8bc1\u7684\u5e72\u8d27\u3001\u9762\u8bd5\u7ecf\u9a8c\u3001\u5b66\u4e60\u8d44\u6e90，\u5c3d\u5728\u5176\u4e2d！<\/p>\n

        B\u7ad9： bc\u5b9d\u61c2\u4e00\u70b9IC<\/p>\n","protected":false},"excerpt":{"rendered":"

        SoC\u8bbe\u8ba1\u4e2d\u7684\u603b\u7ebf\u534f\u8bae：AXI\u3001AHB\u4e0eAPB\u7684\u5bf9\u6bd4
        \n\u6458\u8981
        \n\u5728\u7247\u4e0a\u7cfb\u7edf（SoC）\u8bbe\u8ba1\u4e2d，\u5404\u4e2aIP\u6838\u4e4b\u95f4\u9700\u8981\u901a\u8fc7\u7247\u4e0a\u603b\u7ebf（On-Chip Bus）\u8fdb\u884c\u901a\u4fe1\u3002ARM\u516c\u53f8\u63d0\u51fa\u7684AMBA（Advanced Microcontroller Bus Architecture）\u603b\u7ebf\u534f\u8bae\u65cf\u662f\u4e1a\u754c\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684\u7247\u4e0a\u4e92\u8054\u6807\u51c6，\u5176\u4e2dAXI\u3001AHB\u548cAPB\u662f\u6700\u6838\u5fc3\u7684\u4e09\u79cd\u534f\u8bae<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[371],"topic":[],"class_list":["post-80555","post","type-post","status-publish","format-standard","hentry","category-server","tag-371"],"yoast_head":"\nSoC\u8bbe\u8ba1\u4e2d\u7684\u603b\u7ebf\u534f\u8bae\uff1aAXI\u3001AHB\u4e0eAPB\u7684\u5bf9\u6bd4 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/80555.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SoC\u8bbe\u8ba1\u4e2d\u7684\u603b\u7ebf\u534f\u8bae\uff1aAXI\u3001AHB\u4e0eAPB\u7684\u5bf9\u6bd4 - 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