{"id":1592,"date":"2026-04-06T11:50:48","date_gmt":"2026-04-06T03:50:48","guid":{"rendered":"https:\/\/mayaharper.showcasingme.net\/cn\/timing-diagrams-explained-embedded-software-reliability\/"},"modified":"2026-04-06T11:50:48","modified_gmt":"2026-04-06T03:50:48","slug":"timing-diagrams-explained-embedded-software-reliability","status":"publish","type":"post","link":"https:\/\/mayaharper.showcasingme.net\/cn\/timing-diagrams-explained-embedded-software-reliability\/","title":{"rendered":"\u65f6\u5e8f\u56fe\u8be6\u89e3\uff1a\u4e3a\u4f55\u5b83\u4eec\u5bf9\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981"},"content":{"rendered":"<p>\u5d4c\u5165\u5f0f\u7cfb\u7edf\u8fd0\u884c\u5728\u4e00\u4e2a\u7531\u5468\u671f\u3001\u8fb9\u6cbf\u548c\u7cbe\u786e\u65f6\u95f4\u95f4\u9694\u6240\u652f\u914d\u7684\u4e16\u754c\u4e2d\u3002\u4e0e\u901a\u5e38\u4ee5\u541e\u5410\u91cf\u8861\u91cf\u6027\u80fd\u7684\u901a\u7528\u8ba1\u7b97\u4e0d\u540c\uff0c\u5d4c\u5165\u5f0f\u73af\u5883\u66f4\u6ce8\u91cd\u53ef\u9884\u6d4b\u6027\u3002\u54ea\u6015\u662f\u4e00\u7eb3\u79d2\u7684\u5ef6\u8fdf\uff0c\u4e5f\u53ef\u80fd\u5f15\u53d1\u7cfb\u7edf\u6545\u969c\u3001\u6570\u636e\u635f\u574f\u6216\u786c\u4ef6\u635f\u574f\u3002\u7406\u89e3\u5e76\u7ba1\u7406\u8fd9\u4e9b\u7ea6\u675f\u7684\u6838\u5fc3\uff0c\u6b63\u662f\u65f6\u5e8f\u56fe\u3002<\/p>\n<p>\u65f6\u5e8f\u56fe\u4e0d\u4ec5\u4ec5\u662f\u4e00\u5f20\u56fe\u7eb8\uff1b\u5b83\u662f\u786c\u4ef6\u4e0e\u8f6f\u4ef6\u4e4b\u95f4\u7684\u5951\u7ea6\u3002\u5b83\u53ef\u89c6\u5316\u4fe1\u53f7\u968f\u65f6\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\uff0c\u5b9a\u4e49\u4e86\u6570\u636e\u4f20\u8f93\u3001\u72b6\u6001\u8f6c\u6362\u548c\u4e2d\u65ad\u5904\u7406\u7684\u53ef\u63a5\u53d7\u65f6\u95f4\u7a97\u53e3\u3002\u5bf9\u5de5\u7a0b\u5e08\u800c\u8a00\uff0c\u5ffd\u89c6\u8fd9\u4e9b\u56fe\u8868\u5c31\u5982\u540c\u5728\u672a\u8ba1\u7b97\u8f7d\u8377\u6781\u9650\u7684\u60c5\u51b5\u4e0b\u5efa\u9020\u6865\u6881\u3002\u672c\u6307\u5357\u63a2\u8ba8\u4e86\u65f6\u5e8f\u56fe\u7684\u6784\u6210\u3001\u5e94\u7528\u53ca\u5176\u5728\u786e\u4fdd\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u53ef\u9760\u6027\u65b9\u9762\u7684\u5173\u952e\u5fc5\u8981\u6027\u3002<\/p>\n<figure class=\"wp-block-image aligncenter\"><img alt=\"Hand-drawn infographic explaining timing diagrams for embedded software reliability, featuring anatomy of timing diagrams with signal lines and setup\/hold times, three reliability pillars (preventing race conditions, managing setup\/hold times, defining interrupt latency), protocol comparison of I2C clock stretching, SPI phase alignment, and UART baud timing, plus five critical takeaways for robust embedded system design\" decoding=\"async\" src=\"https:\/\/mayaharper.showcasingme.net\/wp-content\/uploads\/2026\/04\/timing-diagrams-embedded-software-reliability-infographic.jpg\"\/><\/figure>\n<h2>\ud83e\udde9 \u65f6\u5e8f\u56fe\u7684\u6784\u6210<\/h2>\n<p>\u5728\u6df1\u5165\u63a2\u8ba8\u53ef\u9760\u6027\u5f71\u54cd\u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u4e86\u89e3\u6784\u6210\u65f6\u5e8f\u56fe\u7684\u5404\u4e2a\u7ec4\u6210\u90e8\u5206\u3002\u8fd9\u4e9b\u89c6\u89c9\u5316\u8868\u793a\u5c06\u4fe1\u53f7\u7684\u903b\u8f91\u72b6\u6001\u4e0e\u65f6\u95f4\u8f74\u5bf9\u5e94\u8d77\u6765\u3002\u5b83\u4eec\u662f\u7cfb\u7edf\u67b6\u6784\u5e08\u3001\u786c\u4ef6\u8bbe\u8ba1\u5e08\u4e0e\u8f6f\u4ef6\u5f00\u53d1\u8005\u4e4b\u95f4\u6c9f\u901a\u65f6\u95f4\u9700\u6c42\u7684\u8bed\u8a00\u3002<\/p>\n<ul>\n<li><strong>\u4fe1\u53f7\u7ebf\uff1a<\/strong>\u6c34\u5e73\u7ebf\u4ee3\u8868\u5404\u4e2a\u4fe1\u53f7\uff0c\u4f8b\u5982\u65f6\u949f\uff08CLK\uff09\u3001\u6570\u636e\u7ebf\uff08SDA\u3001SCL\uff09\u6216\u63a7\u5236\u5f15\u811a\uff08CS\u3001RD\u3001WR\uff09\u3002<\/li>\n<li><strong>\u65f6\u95f4\u8f74\uff1a<\/strong>\u6c34\u5e73\u65b9\u5411\u8868\u793a\u65f6\u95f4\u7684\u6d41\u901d\u3002\u5355\u4f4d\u4ece\u9ad8\u901f\u4e32\u884c\u603b\u7ebf\u7684\u7eb3\u79d2\uff08ns\uff09\u5230\u7535\u6e90\u7ba1\u7406\u5e8f\u5217\u7684\u6beb\u79d2\uff08ms\uff09\u4e0d\u7b49\u3002<\/li>\n<li><strong>\u903b\u8f91\u7535\u5e73\uff1a<\/strong>\u5782\u76f4\u72b6\u6001\u4ee3\u8868\u4e8c\u8fdb\u5236\u503c\uff0c\u901a\u5e38\u662f\u9ad8\u7535\u5e73\uff081\/VCC\uff09\u6216\u4f4e\u7535\u5e73\uff080\/GND\uff09\u3002\u8f6c\u6362\u4ee5\u4e0a\u5347\u6cbf\u6216\u4e0b\u964d\u6cbf\u8868\u793a\u3002<\/li>\n<li><strong>\u4e8b\u4ef6\uff1a<\/strong>\u7279\u5b9a\u64cd\u4f5c\uff0c\u5982\u65f6\u949f\u8109\u51b2\u6216\u6570\u636e\u8f6c\u6362\uff0c\u4f1a\u88ab\u6807\u8bb0\u51fa\u6765\u4ee5\u663e\u793a\u4f9d\u8d56\u5173\u7cfb\u3002<\/li>\n<li><strong>\u5efa\u7acb\u65f6\u95f4\u548c\u4fdd\u6301\u65f6\u95f4\uff1a<\/strong>\u5728\u65f6\u949f\u8fb9\u6cbf\u4e4b\u524d\u548c\u4e4b\u540e\u7684\u5173\u952e\u65f6\u95f4\u6bb5\uff0c\u6570\u636e\u5fc5\u987b\u4fdd\u6301\u7a33\u5b9a\u624d\u80fd\u88ab\u6b63\u786e\u8bfb\u53d6\u3002<\/li>\n<\/ul>\n<p>\u5f53\u8fd9\u4e9b\u5143\u7d20\u88ab\u6b63\u786e\u6392\u5217\u65f6\uff0c\u5b83\u4eec\u63ed\u793a\u4e86\u8f6f\u4ef6\u6267\u884c\u53ef\u7528\u7684\u65f6\u95f4\u9884\u7b97\u3002\u5b83\u4eec\u66b4\u9732\u4e86\u5904\u7406\u5668\u5fc5\u987b\u7b49\u5f85\u5916\u90e8\u786c\u4ef6\u7684\u74f6\u9888\uff0c\u901a\u5e38\u88ab\u79f0\u4e3a\u603b\u7ebf\u4ef2\u88c1\u6216\u8f6e\u8be2\u5faa\u73af\u3002<\/p>\n<h2>\u2699\ufe0f \u4e3a\u4f55\u65f6\u5e8f\u56fe\u5b9a\u4e49\u4e86\u53ef\u9760\u6027<\/h2>\n<p>\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u7684\u53ef\u9760\u6027\u7b49\u540c\u4e8e\u786e\u5b9a\u6027\u3002\u7cfb\u7edf\u5728\u76f8\u540c\u6761\u4ef6\u4e0b\u5fc5\u987b\u6bcf\u6b21\u90fd\u8868\u73b0\u51fa\u5b8c\u5168\u4e00\u81f4\u7684\u884c\u4e3a\u3002\u65f6\u5e8f\u56fe\u4e3a\u6b64\u786e\u5b9a\u6027\u63d0\u4f9b\u4e86\u57fa\u51c6\u3002\u6ca1\u6709\u5b83\u4eec\uff0c\u8f6f\u4ef6\u5f00\u53d1\u5c31\u5982\u540c\u5728\u771f\u7a7a\u73af\u5883\u4e2d\u8fdb\u884c\uff0c\u5ffd\u7565\u4e86\u4fe1\u53f7\u4f20\u64ad\u548c\u65f6\u949f\u540c\u6b65\u7684\u7269\u7406\u73b0\u5b9e\u3002<\/p>\n<h3>1. \u9632\u6b62\u7ade\u4e89\u6761\u4ef6<\/h3>\n<p>\u5f53\u7cfb\u7edf\u884c\u4e3a\u4f9d\u8d56\u4e8e\u4e8b\u4ef6\u4e4b\u95f4\u7684\u76f8\u5bf9\u65f6\u5e8f\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u7ade\u4e89\u6761\u4ef6\u3002\u5728\u591a\u7ebf\u7a0b\u6216\u4e2d\u65ad\u9a71\u52a8\u7684\u73af\u5883\u4e2d\uff0c\u4e24\u4e2a\u4efb\u52a1\u53ef\u80fd\u540c\u65f6\u5c1d\u8bd5\u8bbf\u95ee\u540c\u4e00\u8d44\u6e90\u3002\u65f6\u5e8f\u56fe\u53ef\u4ee5\u660e\u786e\u64cd\u4f5c\u7684\u6267\u884c\u987a\u5e8f\u3002<\/p>\n<ul>\n<li><strong>\u573a\u666f\uff1a<\/strong>\u4e2d\u65ad\u670d\u52a1\u4f8b\u7a0b\uff08ISR\uff09\u5728\u4e3b\u5faa\u73af\u8bfb\u53d6\u53d8\u91cf\u7684\u540c\u65f6\u66f4\u65b0\u8be5\u53d8\u91cf\u3002<\/li>\n<li><strong>\u56fe\u8868\u6d1e\u5bdf\uff1a<\/strong>\u8be5\u56fe\u8868\u5c55\u793a\u4e86ISR\u6267\u884c\u7a97\u53e3\u76f8\u5bf9\u4e8e\u4e3b\u5faa\u73af\u5468\u671f\u7684\u4f4d\u7f6e\u3002<\/li>\n<li><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong>\u5de5\u7a0b\u5e08\u53ef\u4ee5\u5b9e\u73b0\u4e92\u65a5\u9501\uff0c\u6216\u5728\u7279\u5b9a\u65f6\u95f4\u6bb5\u5185\u7981\u7528\u4e2d\u65ad\uff0c\u4ee5\u786e\u4fdd\u53d8\u91cf\u5728\u8bfb\u53d6\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u88ab\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h3>2. \u7ba1\u7406\u5efa\u7acb\u65f6\u95f4\u548c\u4fdd\u6301\u65f6\u95f4<\/h3>\n<p>\u5fae\u63a7\u5236\u5668\u548c\u5916\u8bbe\u5177\u6709\u4e25\u683c\u7684\u7535\u6c14\u8981\u6c42\u3002\u5efa\u7acb\u65f6\u95f4\u662f\u6307\u4fe1\u53f7\u5728\u65f6\u949f\u8fb9\u6cbf\u4e4b\u524d\u5fc5\u987b\u4fdd\u6301\u7a33\u5b9a\u7684\u65f6\u95f4\u6700\u5c0f\u503c\u3002\u4fdd\u6301\u65f6\u95f4\u662f\u6307\u4fe1\u53f7\u5728\u8fb9\u6cbf\u4e4b\u540e\u5fc5\u987b\u4fdd\u6301\u7a33\u5b9a\u7684\u65f6\u95f4\u6700\u5c0f\u503c\u3002<\/p>\n<p>\u5982\u679c\u8f6f\u4ef6\u5728\u65f6\u949f\u8f6c\u6362\u540e\u8fc7\u5feb\u5730\u914d\u7f6e\u5f15\u811a\uff0c\u5916\u8bbe\u53ef\u80fd\u4f1a\u9501\u5b58\u9519\u8bef\u7684\u6570\u636e\u3002\u65f6\u5e8f\u56fe\u660e\u786e\u5730\u6620\u5c04\u51fa\u8fd9\u4e9b\u65f6\u95f4\u7a97\u53e3\u3002\u5b83\u4eec\u89c4\u5b9a\u4e86\u8f6f\u4ef6\u5728\u8bbe\u7f6e\u63a7\u5236\u7ebf\u548c\u5207\u6362\u65f6\u949f\u4e4b\u95f4\u5fc5\u987b\u5ef6\u8fdf\u7684\u65f6\u95f4\u3002\u5ffd\u7565\u8fd9\u4e9b\u7ea6\u675f\u4f1a\u5bfc\u81f4\u95f4\u6b47\u6027\u6545\u969c\uff0c\u8fd9\u7c7b\u6545\u969c\u6781\u96be\u91cd\u73b0\u3002<\/p>\n<h3>3. \u5b9a\u4e49\u4e2d\u65ad\u5ef6\u8fdf<\/h3>\n<p>\u5728\u5b9e\u65f6\u7cfb\u7edf\u4e2d\uff0c\u4e8b\u4ef6\u53d1\u751f\u4e0e\u8f6f\u4ef6\u54cd\u5e94\u4e4b\u95f4\u7684\u65f6\u95f4\u81f3\u5173\u91cd\u8981\u3002\u65f6\u5e8f\u56fe\u5c55\u793a\u4e86\u4e2d\u65ad\u5ef6\u8fdf\u94fe\uff1a<\/p>\n<ul>\n<li>\u4fe1\u53f7\u5230\u8fbe\u5f15\u811a\u3002<\/li>\n<li>\u5916\u8bbe\u68c0\u6d4b\u548c\u6807\u5fd7\u8bbe\u7f6e\u3002<\/li>\n<li>CPU\u4e0a\u4e0b\u6587\u5207\u6362\uff08\u4fdd\u5b58\u5bc4\u5b58\u5668\uff09\u3002<\/li>\n<li>\u4e2d\u65ad\u670d\u52a1\u4f8b\u7a0b\uff08ISR\uff09\u7684\u6267\u884c\u3002<\/li>\n<li>\u8fd4\u56de\u4e3b\u4e0a\u4e0b\u6587\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u53ef\u89c6\u5316\u8fd9\u4e00\u94fe\u6761\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8ba1\u7b97\u51fa\u6700\u5927\u5ef6\u8fdf\u3002\u5982\u679c\u5ef6\u8fdf\u8d85\u8fc7\u6570\u636e\u5305\u5230\u8fbe\u7684\u65f6\u95f4\u95f4\u9694\uff0c\u5c31\u4f1a\u53d1\u751f\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u8be5\u56fe\u7a81\u51fa\u4e86\u9700\u8981\u4f18\u5316\u7684\u73af\u8282\uff0c\u65e0\u8bba\u662f\u786c\u4ef6\u914d\u7f6e\u8fd8\u662f\u8f6f\u4ef6\u4f18\u5148\u7ea7\u8bbe\u7f6e\u3002<\/p>\n<h2>\ud83d\udcca \u534f\u8bae\u5206\u6790\uff1aI2C\u3001SPI \u548c UART<\/h2>\n<p>\u901a\u4fe1\u534f\u8bae\u662f\u5d4c\u5165\u5f0f\u901a\u4fe1\u7684\u57fa\u77f3\u3002\u6bcf\u79cd\u534f\u8bae\u90fd\u6709\u72ec\u7279\u7684\u65f6\u5e8f\u8981\u6c42\uff0c\u5fc5\u987b\u9075\u5b88\u4ee5\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3002\u4e0b\u8868\u5bf9\u6bd4\u4e86\u5e38\u89c1\u7684\u4e32\u884c\u63a5\u53e3\uff0c\u7a81\u51fa\u4e86\u5b83\u4eec\u7684\u65f6\u5e8f\u7279\u6027\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u534f\u8bae<\/th>\n<th>\u7c7b\u578b<\/th>\n<th>\u5173\u952e\u65f6\u5e8f\u7ea6\u675f<\/th>\n<th>\u53ef\u9760\u6027\u98ce\u9669<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>I2C<\/strong><\/td>\n<td>\u540c\u6b65\uff0c\u534a\u53cc\u5de5<\/td>\n<td>\u65f6\u949f\u62c9\u4f38\uff08SCL \u4f4e\u7535\u5e73\uff09\u65f6\u95f4<\/td>\n<td>ACK \u8d85\u65f6\uff0c\u603b\u7ebf\u6302\u8d77<\/td>\n<\/tr>\n<tr>\n<td><strong>SPI<\/strong><\/td>\n<td>\u540c\u6b65\uff0c\u5168\u53cc\u5de5<\/td>\n<td>\u65f6\u949f\u6781\u6027\u548c\u76f8\u4f4d\uff08CPOL\/CPHA\uff09<\/td>\n<td>\u91c7\u6837\u8fb9\u6cbf\u9519\u4f4d\uff0c\u6570\u636e\u4e22\u5931<\/td>\n<\/tr>\n<tr>\n<td><strong>UART<\/strong><\/td>\n<td>\u5f02\u6b65<\/td>\n<td>\u6ce2\u7279\u7387\u7cbe\u5ea6\u548c\u91c7\u6837\u70b9<\/td>\n<td>\u5e27\u9519\u8bef\uff0c\u4f4d\u6ed1\u52a8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u6df1\u5165\u5256\u6790\uff1aI2C \u65f6\u949f\u62c9\u4f38<\/h3>\n<p>\u5728 I2C \u4e2d\uff0c\u4ece\u8bbe\u5907\u53ef\u80fd\u4f1a\u5c06\u65f6\u949f\u7ebf\u4fdd\u6301\u5728\u4f4e\u7535\u5e73\u4ee5\u51cf\u6162\u901a\u4fe1\u901f\u5ea6\u3002\u8fd9\u88ab\u79f0\u4e3a\u65f6\u949f\u62c9\u4f38\u3002\u5982\u679c\u4e3b\u8bbe\u5907\u671f\u671b\u65f6\u949f\u5728\u7279\u5b9a\u65f6\u95f4\u5185\u8fd4\u56de\u9ad8\u7535\u5e73\uff0c\u4f46\u4ece\u8bbe\u5907\u8017\u65f6\u66f4\u4e45\uff0c\u4e3b\u8bbe\u5907\u53ef\u80fd\u4f1a\u8d85\u65f6\u3002\u65f6\u5e8f\u56fe\u5c55\u793a\u4e86 SCL \u7ebf\u7684\u4f4e\u7535\u5e73\u6301\u7eed\u65f6\u95f4\u3002\u8f6f\u4ef6\u9a71\u52a8\u7a0b\u5e8f\u5fc5\u987b\u8bbe\u8ba1\u4e3a\u80fd\u591f\u9002\u5e94\u53ef\u53d8\u5ef6\u8fdf\uff0c\u800c\u4e0d\u662f\u5047\u8bbe\u65f6\u949f\u901f\u5ea6\u662f\u56fa\u5b9a\u7684\u3002<\/p>\n<h3>\u6df1\u5165\u5256\u6790\uff1aSPI \u76f8\u4f4d\u5bf9\u9f50<\/h3>\n<p>SPI \u4f9d\u8d56\u4e8e\u7cbe\u786e\u7684\u65f6\u949f\u8fb9\u6cbf\u6765\u91c7\u6837\u6570\u636e\u3002\u6839\u636e\u6a21\u5f0f\uff08CPOL\/CPHA\uff09\uff0c\u6570\u636e\u5728\u4e0a\u5347\u6cbf\u6216\u4e0b\u964d\u6cbf\u88ab\u91c7\u6837\u3002\u5982\u679c\u8f6f\u4ef6\u5728\u65f6\u949f\u7ffb\u8f6c\u4e4b\u524d\u6216\u4e4b\u540e\u8fc7\u65e9\u6216\u8fc7\u665a\u5730\u5411\u79fb\u4f4d\u5bc4\u5b58\u5668\u5199\u5165\u6570\u636e\uff0c\u63a5\u6536\u5230\u7684\u5b57\u8282\u5c06\u88ab\u7834\u574f\u3002\u65f6\u5e8f\u56fe\u5c55\u793a\u4e86\u65f6\u949f\u8fb9\u6cbf\u4e0e\u6570\u636e\u6709\u6548\u7a97\u53e3\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n<h2>\ud83d\udd0d \u8c03\u8bd5\u4e0e\u4fe1\u53f7\u5b8c\u6574\u6027<\/h2>\n<p>\u5f53\u7cfb\u7edf\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u6839\u672c\u539f\u56e0\u901a\u5e38\u4e0e\u65f6\u95f4\u6709\u5173\u3002\u903b\u8f91\u5206\u6790\u4eea\u548c\u793a\u6ce2\u5668\u4f1a\u6355\u83b7\u5b9e\u9645\u6ce2\u5f62\uff0c\u7136\u540e\u5c06\u5176\u4e0e\u9884\u671f\u7684\u65f6\u95f4\u56fe\u8fdb\u884c\u5bf9\u6bd4\u3002\u8fd9\u4e00\u8fc7\u7a0b\u53ef\u9a8c\u8bc1\u8bbe\u8ba1\u5e76\u8bc6\u522b\u504f\u5dee\u3002<\/p>\n<h3>1. \u8bc6\u522b\u504f\u79fb<\/h3>\n<p>\u504f\u79fb\u6307\u7684\u662f\u5e76\u884c\u603b\u7ebf\u4e0a\u4fe1\u53f7\u5230\u8fbe\u65f6\u95f4\u7684\u5dee\u5f02\u3002\u5728\u9ad8\u901f\u63a5\u53e3\u4e2d\uff0c\u5982\u679c\u65f6\u949f\u5728\u6570\u636e\u5230\u8fbe\u63a5\u6536\u5668\u4e4b\u524d\u5148\u5230\u8fbe\uff0c\u5c31\u4f1a\u53d1\u751f\u5efa\u7acb\u65f6\u95f4\u8fdd\u89c4\u3002\u65f6\u95f4\u56fe\u4f7f\u5de5\u7a0b\u5e08\u80fd\u591f\u6d4b\u91cf\u8fd9\u79cd\u504f\u79fb\u3002\u5982\u679c\u504f\u79fb\u8d85\u8fc7\u5bb9\u5dee\u8303\u56f4\uff0c\u7cfb\u7edf\u5728\u66f4\u9ad8\u9891\u7387\u4e0b\u5c06\u53d8\u5f97\u4e0d\u7a33\u5b9a\u3002<\/p>\n<h3>2. \u68c0\u6d4b\u6bdb\u523a<\/h3>\n<p>\u6bdb\u523a\u662f\u77ac\u6001\u5c16\u5cf0\uff0c\u53ef\u80fd\u5f15\u53d1\u8bef\u4e2d\u65ad\u6216\u89e6\u53d1\u89e6\u53d1\u5668\u3002\u4e00\u4e2a\u663e\u793a\u5e72\u51c0\u8fc7\u6e21\u7684\u65f6\u95f4\u56fe\u5728\u4eff\u771f\u4e2d\u53ef\u80fd\u770b\u8d77\u6765\u5b8c\u7f8e\uff0c\u4f46\u5728\u73b0\u5b9e\u4e2d\u5374\u66b4\u9732\u51fa\u566a\u58f0\u5c16\u5cf0\u3002\u901a\u8fc7\u6355\u83b7\u6ce2\u5f62\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u5728\u8f6f\u4ef6\u4e2d\u6dfb\u52a0\u53bb\u6296\u903b\u8f91\uff0c\u6216\u5728\u786c\u4ef6\u4e2d\u52a0\u5165\u6ee4\u6ce2\u5143\u4ef6\u3002<\/p>\n<h3>3. \u5206\u6790\u4e0a\u7535\u65f6\u5e8f<\/h3>\n<p>\u5d4c\u5165\u5f0f\u7cfb\u7edf\u901a\u5e38\u5177\u6709\u591a\u4e2a\u7535\u538b\u57df\u3002\u5728\u4e3b\u903b\u8f91\u5c1a\u672a\u51c6\u5907\u5c31\u7eea\u65f6\u5c31\u4e3a\u5916\u8bbe\u4e0a\u7535\uff0c\u53ef\u80fd\u5bfc\u81f4\u9501\u5b58\u6216\u672a\u77e5\u72b6\u6001\u3002\u7535\u6e90\u65f6\u5e8f\u7684\u65f6\u95f4\u56fe\u5b9a\u4e49\u4e86\u7535\u6e90\u8f68\u6fc0\u6d3b\u4e0e\u65f6\u949f\u4f7f\u80fd\u4e4b\u95f4\u7684\u6700\u5c0f\u5ef6\u8fdf\u3002\u8f6f\u4ef6\u9a71\u52a8\u7a0b\u5e8f\u5fc5\u987b\u5728\u521d\u59cb\u5316\u8fc7\u7a0b\u4e2d\u5f3a\u5236\u6267\u884c\u8fd9\u4e9b\u5ef6\u8fdf\u3002<\/p>\n<h2>\ud83e\uddf1 \u5904\u7406\u8de8\u65f6\u949f\u57df<\/h2>\n<p>\u73b0\u4ee3\u5d4c\u5165\u5f0f\u7cfb\u7edf\u901a\u5e38\u4f7f\u7528\u591a\u4e2a\u65f6\u949f\u6e90\u3002\u4f8b\u5982\uff0cCPU \u53ef\u80fd\u4ee5 100MHz \u8fd0\u884c\uff0c\u800c\u901a\u4fe1\u5916\u8bbe\u4ee5 10MHz \u8fd0\u884c\u3002\u5728\u8fd9\u4e9b\u57df\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u4f1a\u4ea7\u751f\u8de8\u65f6\u949f\u57df\uff08CDC\uff09\u95ee\u9898\u3002\u4e00\u4e2a\u65f6\u949f\u540c\u6b65\u7684\u4fe1\u53f7\u5728\u53e6\u4e00\u4e2a\u65f6\u949f\u57df\u4e2d\u53ef\u80fd\u8868\u73b0\u4e3a\u4e9a\u7a33\u6001\u3002<\/p>\n<p>CDC \u7684\u65f6\u95f4\u56fe\u5c55\u793a\u4e86\u6e90\u65f6\u949f\u8fb9\u6cbf\u4e0e\u76ee\u6807\u65f6\u949f\u8fb9\u6cbf\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u4e3a\u7f13\u89e3\u6b64\u95ee\u9898\uff0c\u8f6f\u4ef6\u5fc5\u987b\u5b9e\u73b0\u540c\u6b65\u7535\u8def\u6216\u63e1\u624b\u534f\u8bae\uff08\u5982 Ready\/Valid \u4fe1\u53f7\uff09\u3002\u8be5\u56fe\u89c4\u5b9a\u4e86\u63e1\u624b\u65f6\u5e8f\uff1a\u6e90\u7aef\u58f0\u660e Ready\uff0c\u76ee\u6807\u7aef\u91c7\u6837\u8be5\u4fe1\u53f7\uff0c\u7136\u540e\u58f0\u660e Valid\u3002\u8fd9\u4e9b\u58f0\u660e\u4e4b\u95f4\u7684\u65f6\u5e8f\u5fc5\u987b\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002<\/p>\n<h2>\ud83d\udee0\ufe0f \u5b9e\u65bd\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p>\u4e3a\u4fdd\u6301\u53ef\u9760\u6027\uff0c\u5de5\u7a0b\u5e08\u5e94\u5c06\u65f6\u95f4\u56fe\u6574\u5408\u5230\u5f00\u53d1\u751f\u547d\u5468\u671f\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u64cd\u4f5c\u7684\u5b9e\u8df5\uff0c\u4ee5\u786e\u4fdd\u4e00\u81f4\u6027\u3002<\/p>\n<ul>\n<li><strong>\u5c3d\u65e9\u5b9a\u4e49\u7ea6\u675f\uff1a<\/strong>\u5728\u9700\u6c42\u89c4\u683c\u9636\u6bb5\u5c31\u786e\u5b9a\u65f6\u95f4\u8981\u6c42\u3002\u4e0d\u8981\u7b49\u5230\u786c\u4ef6\u5230\u4f4d\u624d\u5f00\u59cb\u3002<\/li>\n<li><strong>\u5bf9\u65f6\u95f4\u56fe\u8fdb\u884c\u7248\u672c\u63a7\u5236\uff1a<\/strong>\u5c06\u65f6\u95f4\u56fe\u89c6\u4e3a\u4ee3\u7801\u4e00\u6837\u5bf9\u5f85\u3002\u5f53\u786c\u4ef6\u7248\u672c\u53d8\u66f4\u5f15\u811a\u5e03\u5c40\u6216\u65f6\u949f\u901f\u5ea6\u65f6\uff0c\u53ca\u65f6\u66f4\u65b0\u5b83\u4eec\u3002<\/li>\n<li><strong>\u81ea\u52a8\u5316\u9a8c\u8bc1\uff1a<\/strong>\u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u9759\u6001\u5206\u6790\u5de5\u5177\u68c0\u67e5\u4ee3\u7801\u6267\u884c\u65f6\u95f4\u662f\u5426\u5728\u65f6\u95f4\u56fe\u6240\u5b9a\u4e49\u7684\u65f6\u95f4\u7a97\u53e3\u5185\u3002<\/li>\n<li><strong>\u8bb0\u5f55\u8fb9\u7f18\u60c5\u51b5\uff1a<\/strong>\u7a81\u51fa\u663e\u793a\u4f4e\u7535\u6c60\u7535\u538b\u6216\u6781\u7aef\u6e29\u5ea6\u7b49\u53ef\u80fd\u51cf\u7f13\u4fe1\u53f7\u4f20\u64ad\u7684\u60c5\u51b5\u3002<\/li>\n<li><strong>\u901a\u8fc7\u786c\u4ef6\u8fdb\u884c\u9a8c\u8bc1\uff1a<\/strong>\u4eff\u771f\u5f88\u6709\u7528\uff0c\u4f46\u5b9e\u9645\u4fe1\u53f7\u5b8c\u6574\u6027\u5f80\u5f80\u5b58\u5728\u5dee\u5f02\u3002\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u9a8c\u8bc1\u5b9e\u9645\u65f6\u95f4\u662f\u5426\u4e0e\u56fe\u793a\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h2>\u26a1 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