{"id":114440,"date":"2026-10-09T08:27:00","date_gmt":"2026-10-09T00:27:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/114440.html"},"modified":"2026-10-09T08:27:00","modified_gmt":"2026-10-09T00:27:00","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e9%ab%98%e9%80%9f-can-%e6%80%bb%e7%ba%bf%e6%9c%80%e8%bf%9c%e4%b8%a4%e7%ab%af%e5%bf%85%e9%a1%bb%e8%bf%9e%e6%8e%a5-120%cf%89-%e7%94%b5%e9%98%bb","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/114440.html","title":{"rendered":"\u4e3a\u4ec0\u4e48\u9ad8\u901f CAN \u603b\u7ebf\u6700\u8fdc\u4e24\u7aef\u5fc5\u987b\u8fde\u63a5 120\u03a9 \u7535\u963b"},"content":{"rendered":"

\u9002\u7528\u6807\u51c6：ISO 11898-2（\u9ad8\u901f CAN \u7269\u7406\u5c42）\u3000\u9002\u7528\u5bf9\u8c61：\u7ecf\u5178 CAN \/ CAN FD \u7684 CAN_H\u3001CAN_L \u5dee\u5206\u603b\u7ebf<\/p>\n

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\u4e00\u5206\u949f\u7ed3\u8bba<\/h3>\n
  • \n

    \u53cd\u5c04\u662f\u7269\u7406\u5fc5\u7136，\u4e0d\u662f"\u6bdb\u75c5"\u3002 \u4fe1\u53f7\u6cbf\u53cc\u7ede\u7ebf\u4ee5\u6709\u9650\u901f\u5ea6\u4f20\u64ad，\u6bcf\u5230\u4e00\u4e2a\u963b\u6297\u7a81\u53d8\u70b9（\u672b\u7aef\u5f00\u8def\u3001\u652f\u7ebf\u3001\u8282\u70b9\u8fc7\u591a）\u5c31\u4f1a\u628a\u4e00\u90e8\u5206\u80fd\u91cf\u5f39\u56de\u6765，\u5f62\u6210\u53cd\u5c04\u6ce2\u3002<\/p>\n<\/li>\n

  • \n

    \u6ce2\u7279\u7387\u8d8a\u9ad8，\u53cd\u5c04\u8d8a\u81f4\u547d\u3002 \u4f4d\u65f6\u95f4\u53d8\u77ed（1 Mbit\/s \u65f6\u53ea\u6709 1 \u03bcs），\u53cd\u5c04\u6ce2\u6765\u4e0d\u53ca\u5728\u91c7\u6837\u70b9\u524d\u8870\u51cf\u6389，\u5c31\u4f1a\u53e0\u52a0\u5728\u4fe1\u53f7\u8fb9\u6cbf\u4e0a\u9020\u6210\u632f\u94c3\u3001\u8fc7\u51b2\u3001\u4e0b\u51b2，\u76f4\u63a5\u5a01\u80c1\u4f4d\u91c7\u6837\u6b63\u786e\u6027\u3002<\/p>\n<\/li>\n

  • \n

    120\u03a9 \u662f"\u8ba9\u672b\u7aef\u770b\u8d77\u6765\u50cf\u65e0\u9650\u957f\u7ebf"\u7684\u552f\u4e00\u89e3\u3002 \u53cc\u7ede\u7ebf\u7279\u5f81\u963b\u6297 Z\u2080\u2248120\u03a9，\u6309 \u0393=(Z_L\u2212Z\u2080)\/(Z_L+Z\u2080)，\u53ea\u6709\u7aef\u63a5\u7535\u963b Z_L=120\u03a9 \u65f6\u53cd\u5c04\u7cfb\u6570 \u0393=0，\u80fd\u91cf\u88ab\u5b8c\u5168\u5438\u6536\u3002<\/p>\n<\/li>\n

  • \n

    \u5fc5\u987b\u63a5\u5728"\u6700\u8fdc\u4e24\u7aef"\u3002 \u4e24\u7aef\u5404\u4e00\u4e2a，\u624d\u80fd\u540c\u65f6\u5438\u6536\u6765\u81ea\u4e24\u4e2a\u65b9\u5411\u7684\u6ce2；\u63a5\u5728\u4e2d\u95f4\u3001\u53ea\u63a5\u4e00\u4e2a\u3001\u6216\u63a5\u6210\u661f\u578b\/\u957f\u652f\u7ebf，\u90fd\u4f1a\u5728\u522b\u5904\u5236\u9020\u65b0\u7684\u963b\u6297\u4e0d\u8fde\u7eed\u70b9\u3002<\/p>\n<\/li>\n

  • \n

    \u6574\u6761\u603b\u7ebf\u603b\u7aef\u63a5\u7535\u963b\u5e94\u4e3a 60\u03a9（\u4e24\u4e2a 120\u03a9 \u5e76\u8054）\u3002 \u8fd9\u662f\u4e07\u7528\u8868\u65ad\u7535\u6d4b\u603b\u7ebf\u7684\u91d1\u6807\u51c6\u5224\u636e：\u6b63\u5e38\u7ea6 60\u03a9，\u6d4b\u5f97 120\u03a9 \u8bf4\u660e\u53ea\u63a5\u4e86\u4e00\u7aef，\u6d4b\u5f97 \u221e \u8bf4\u660e\u4e24\u7aef\u90fd\u7f3a\u3002<\/p>\n<\/li>\n

    \n

    1 \u5148\u770b\u6e05\u695a：CAN \u603b\u7ebf\u5230\u5e95\u662f\u4e2a\u4ec0\u4e48\u4e1c\u897f<\/h3>\n

    \u5f88\u591a\u4eba\u628a CAN \u603b\u7ebf\u5f53\u6210"\u4e00\u6839\u5bfc\u7ebf\u628a\u51e0\u4e2a\u8282\u70b9\u8fde\u8d77\u6765"，\u8fd9\u662f\u6700\u8981\u547d\u7684\u8ba4\u77e5\u504f\u5dee\u3002\u4ece\u7269\u7406\u5c42\u770b，CAN_H \u4e0e CAN_L \u6784\u6210\u4e00\u5bf9\u5dee\u5206\u4f20\u8f93\u7ebf（Twisted Pair，\u53cc\u7ede\u7ebf），\u4fe1\u53f7\u4ee5\u7535\u78c1\u6ce2\u7684\u5f62\u5f0f\u6cbf\u7ebf\u4f20\u64ad，\u800c\u4e0d\u662f\u77ac\u95f4\u4ece A \u70b9"\u8df3"\u5230 B \u70b9\u3002<\/p>\n

    \u65e2\u7136\u662f\u6ce2\u7684\u4f20\u64ad，\u5b83\u5c31\u670d\u4ece\u4f20\u8f93\u7ebf\u7406\u8bba\u7684\u4e09\u6761\u57fa\u672c\u4e8b\u5b9e：<\/p>\n

      \n
    • \n

      \u4f20\u64ad\u9700\u8981\u65f6\u95f4\u3002 \u7535\u78c1\u6ce2\u5728\u53cc\u7ede\u7ebf\u4e0a\u7684\u4f20\u64ad\u901f\u5ea6\u7ea6\u4e3a\u5149\u901f\u7684 2\/3，\u5373 v \u2248 2\u00d710\u2078 m\/s，\u6362\u7b97\u6210\u5de5\u7a0b\u4e0a\u66f4\u5e38\u7528\u7684\u5355\u4f4d\u7ea6\u4e3a 5 ns\/m（\u6bcf\u7c73\u7ea6 5 \u7eb3\u79d2）\u3002<\/p>\n<\/li>\n

    • \n

      \u5bfc\u7ebf\u6709"\u7279\u5f81\u963b\u6297" Z\u2080\u3002 \u5b83\u4e0d\u662f\u7528\u4e07\u7528\u8868\u91cf\u51fa\u6765\u7684\u7535\u963b，\u800c\u662f\u7531\u5bfc\u7ebf\u51e0\u4f55\u5c3a\u5bf8\u3001\u7edd\u7f18\u4ecb\u8d28\u3001\u7ede\u8ddd\u51b3\u5b9a\u7684\u52a8\u6001\u963b\u6297\u3002ISO 11898-2 \u89c4\u5b9a CAN \u53cc\u7ede\u7ebf\u7684\u6807\u79f0\u7279\u5f81\u963b\u6297\u4e3a 120\u03a9（\u5bb9\u5dee\u901a\u5e38 95~140\u03a9）\u3002<\/p>\n<\/li>\n

    • \n

      \u9047\u5230\u963b\u6297\u4e0d\u8fde\u7eed\u5c31\u53cd\u5c04\u3002 \u6ce2\u4e00\u76f4"\u987a\u7545\u524d\u8fdb"\u7684\u524d\u63d0\u662f\u6cbf\u9014\u963b\u6297\u6052\u4e3a Z\u2080；\u53ea\u8981 Z\u2080 \u5728\u67d0\u70b9\u7a81\u7136\u53d8\u4e86，\u4e00\u90e8\u5206\u80fd\u91cf\u5c31\u88ab\u5f39\u56de\u6765\u3002<\/p>\n<\/li>\n<\/ul>\n

      \"\"<\/p>\n

      \u56fe 1\u3000\u9ad8\u901f CAN \u603b\u7ebf\u57fa\u672c\u62d3\u6251：\u4e00\u6761\u4e3b\u5e72\u53cc\u7ede\u7ebf，\u4e24\u7aef\u5404\u63a5\u4e00\u4e2a 120\u03a9 \u7aef\u63a5\u7535\u963b，\u8282\u70b9\u901a\u8fc7\u5c3d\u91cf\u77ed\u7684\u652f\u7ebf\u6302\u63a5\u5230\u4e3b\u5e72\u4e0a\u3002<\/p>\n

      \u5173\u952e\u8ba4\u77e5：CAN \u603b\u7ebf\u662f\u603b\u7ebf\u578b（Bus）\u62d3\u6251，\u4e0d\u662f\u661f\u578b\u3001\u4e0d\u662f\u73af\u5f62\u3002\u5176"\u4e3b\u5e72"\u5fc5\u987b\u662f\u4e00\u6761\u7269\u7406\u4e0a\u8fde\u7eed\u7684\u53cc\u7ede\u7ebf，\u4e24\u7aef\u5c01\u53e3\u2014\u2014\u8fd9\u4e24\u4e2a\u5c01\u53e3\u7684"\u585e\u5b50"，\u5c31\u662f 120\u03a9 \u7aef\u63a5\u7535\u963b\u3002<\/p>\n

      2 \u53cd\u5c04\u662f\u600e\u4e48\u4ea7\u751f\u7684：\u4ece"\u6c34\u7ba1\u7684\u6bd4\u55bb"\u8bf4\u8d77<\/h3>\n

      2.1 \u76f4\u89c2\u7406\u89e3<\/h4>\n

      \u628a\u4fe1\u53f7\u60f3\u6210\u4e00\u80a1\u5728\u6c34\u7ba1\u91cc\u6d41\u6dcc\u7684\u6c34\u3002\u6c34\u7ba1\u7c97\u7ec6\u5747\u5300\u65f6，\u6c34\u4e00\u8def\u987a\u7545\u6d41\u8d70；\u53ef\u5982\u679c\u6c34\u7ba1\u672b\u7aef\u655e\u53e3（\u5f00\u8def），\u6c34\u6d41\u51b2\u5230\u51fa\u53e3\u5c31\u4f1a"\u54d7"\u5730\u53cd\u6e85\u56de\u6765；\u5982\u679c\u672b\u7aef\u88ab\u5835\u6b7b（\u77ed\u8def），\u51b2\u51fb\u6ce2\u540c\u6837\u4f1a\u88ab\u9876\u56de\u6765\u3002\u53ea\u6709\u5728\u6c34\u7ba1\u672b\u7aef\u63a5\u4e00\u4e2a\u548c\u7ba1\u5f84\u5b8c\u5168\u5339\u914d\u7684"\u963b\u5c3c\u88c5\u7f6e"，\u6c34\u624d\u4f1a\u88ab\u5b89\u9759\u5730\u5438\u6536，\u4e00\u70b9\u90fd\u4e0d\u53cd\u5f39\u3002<\/p>\n

      \u7535\u7ebf\u4e0a\u7684\u7535\u4fe1\u53f7\u5b8c\u5168\u540c\u7406\u3002\u672b\u7aef\u5f00\u8def（\u6700\u5e38\u89c1\u7684\u9519\u8bef：\u5fd8\u4e86\u63a5\u7aef\u63a5\u7535\u963b）\u76f8\u5f53\u4e8e\u6c34\u7ba1\u51fa\u53e3\u655e\u7740；\u672b\u7aef\u77ed\u8def\u76f8\u5f53\u4e8e\u5835\u6b7b\u3002\u4e24\u79cd\u60c5\u51b5\u4e0b\u80fd\u91cf\u90fd\u4f1a\u53cd\u5f39\u56de\u6765，\u8fd9\u5c31\u662f\u53cd\u5c04\u3002<\/p>\n

      2.2 \u6570\u5b66\u8868\u8fbe：\u53cd\u5c04\u7cfb\u6570 \u0393<\/h4>\n

      \u4f20\u8f93\u7ebf\u7406\u8bba\u7ed9\u51fa\u4e86\u4e25\u683c\u7b54\u6848\u3002\u5f53\u4fe1\u53f7\u4ece\u7279\u5f81\u963b\u6297\u4e3a Z\u2080 \u7684\u7ebf\u7f06\u4f20\u5230\u8d1f\u8f7d\u963b\u6297\u4e3a Z_L \u7684\u7aef\u70b9\u65f6，\u53cd\u5c04\u7cfb\u6570 \u0393 \u5b9a\u4e49\u4e3a\u53cd\u5c04\u7535\u538b\u4e0e\u5165\u5c04\u7535\u538b\u4e4b\u6bd4：<\/p>\n

      \"\"<\/p>\n

      \u628a\u4e09\u79cd\u5178\u578b\u7aef\u63a5\u60c5\u51b5\u4ee3\u8fdb\u53bb，\u7ed3\u8bba\u4e00\u76ee\u4e86\u7136：<\/p>\n\n\u7aef\u63a5\u60c5\u51b5\u8d1f\u8f7d\u963b\u6297 Z_L\u53cd\u5c04\u7cfb\u6570 \u0393\u7269\u7406\u542b\u4e49<\/tr>\n\n\n\n\n\n
      \u672b\u7aef\u5f00\u8def（\u6f0f\u63a5\u7535\u963b）<\/td>\n\u221e<\/td>\n+1<\/td>\n\u5168\u90e8\u80fd\u91cf\u540c\u76f8\u5f39\u56de，\u672b\u7aef\u7535\u538b\u7ffb\u500d，\u6700\u6076\u52a3<\/td>\n<\/tr>\n
      \u672b\u7aef\u77ed\u8def（\u63a5\u7ebf\u9519\u8bef）<\/td>\n0<\/td>\n\u22121<\/td>\n\u5168\u90e8\u80fd\u91cf\u53cd\u76f8\u5f39\u56de，\u4fe1\u53f7\u88ab"\u5012\u6263"<\/td>\n<\/tr>\n
      \u7aef\u63a5 60\u03a9（\u4e24\u7aef\u5e76\u8054\u540e\u7b49\u6548）<\/td>\n60\u03a9<\/td>\n\u22120.33<\/td>\n\u4ecd\u6709\u7ea6 1\/3 \u80fd\u91cf\u53cd\u5c04，\u4e0d\u8fbe\u6807<\/td>\n<\/tr>\n
      \u7aef\u63a5 120\u03a9（\u5355\u7aef\u6b63\u786e\u503c）<\/td>\n120\u03a9<\/td>\n0<\/td>\n\u5b8c\u5168\u5339\u914d，\u80fd\u91cf\u88ab\u5168\u90e8\u5438\u6536，\u96f6\u53cd\u5c04<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u4e00\u53e5\u8bdd\u6293\u4f4f\u672c\u8d28：\u7aef\u63a5\u7535\u963b\u4e0d\u662f"\u8fc7\u6ee4\u5668"，\u4e5f\u4e0d\u662f"\u9650\u6d41\u7535\u963b"\u3002\u5b83\u7684\u4f5c\u7528\u662f\u4f2a\u88c5\u6210\u4e00\u6bb5\u65e0\u9650\u957f\u7684\u7ebf\u2014\u2014\u8ba9\u4f20\u5230\u672b\u7aef\u7684\u6ce2"\u4ee5\u4e3a"\u524d\u9762\u8fd8\u6709\u65e0\u7a77\u8fdc\u7684\u8def\u8981\u8d70，\u4e8e\u662f\u5b89\u5b89\u9759\u9759\u5730\u88ab\u5438\u6536\u6389，\u4e00\u70b9\u90fd\u4e0d\u53cd\u5f39\u3002\u0393 = 0 \u662f 120\u03a9 \u8fd9\u4e2a\u6570\u5b57\u7684\u5168\u90e8\u610f\u4e49\u3002<\/p>\n

      3 \u4e3a\u4ec0\u4e48\u6ce2\u7279\u7387\u8d8a\u9ad8，\u53cd\u5c04\u8d8a\u81f4\u547d<\/h3>\n

      3.1 \u53cd\u5c04\u6ce2\u9700\u8981"\u5f80\u8fd4\u65f6\u95f4"，\u4f4d\u65f6\u95f4\u5374\u5728\u7f29\u77ed<\/h4>\n

      \u53cd\u5c04\u6ce2\u4ece\u4ea7\u751f\u5230\u8fd4\u56de\u3001\u518d\u5230\u8870\u51cf，\u9700\u8981\u65f6\u95f4\u3002\u4fe1\u53f7\u5728\u603b\u7ebf\u4e0a\u8dd1\u4e00\u4e2a\u6765\u56de\u7684\u65f6\u95f4（\u5f80\u8fd4\u65f6\u5ef6）\u662f：<\/p>\n

      \"\"<\/p>\n

      \u800c\u4e00\u4e2a\u6570\u636e\u4f4d\u5360\u7528\u7684\u65f6\u95f4（\u4f4d\u65f6\u95f4）\u662f\u6ce2\u7279\u7387\u7684\u5012\u6570\u3002\u628a\u4e24\u8005\u653e\u5728\u4e00\u8d77\u6bd4\u8f83，\u89c4\u5f8b\u5c31\u51fa\u6765\u4e86：<\/p>\n\n\u6ce2\u7279\u7387\u4f4d\u65f6\u95f440 m \u603b\u7ebf\u5f80\u8fd4\u65f6\u5ef6\u5de5\u7a0b\u540e\u679c<\/tr>\n\n\n\n\n\n
      125 kbit\/s<\/td>\n8 \u03bcs<\/td>\n\u2248 0.4 \u03bcs<\/td>\n\u53cd\u5c04\u6ce2\u5728\u4f4d\u7684 5% \u5185\u5c31\u8870\u51cf\u5b8c，\u51e0\u4e4e\u65e0\u5f71\u54cd<\/td>\n<\/tr>\n
      250 kbit\/s<\/td>\n4 \u03bcs<\/td>\n\u2248 0.4 \u03bcs<\/td>\n\u5360\u6bd4\u7ea6 10%，\u91c7\u6837\u70b9\u524d\u5df2\u7a33\u5b9a，\u901a\u5e38\u53ef\u5bb9\u5fcd<\/td>\n<\/tr>\n
      500 kbit\/s<\/td>\n2 \u03bcs<\/td>\n\u2248 0.4 \u03bcs<\/td>\n\u5360\u6bd4\u5347\u5230 20%，\u8fb9\u6cbf\u51fa\u73b0\u53ef\u89c1\u632f\u94c3，\u9700\u8981\u826f\u597d\u7aef\u63a5<\/td>\n<\/tr>\n
      1 Mbit\/s<\/td>\n1 \u03bcs<\/td>\n\u2248 0.4 \u03bcs<\/td>\n\u5360\u6bd4 40%，\u53cd\u5c04\u76f4\u63a5\u5e72\u6270\u91c7\u6837\u70b9，\u5fc5\u987b\u4e25\u683c\u7aef\u63a5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      3.2 \u53cd\u5c04\u53e0\u52a0\u540e\u7684\u6ce2\u5f62：\u632f\u94c3\u3001\u8fc7\u51b2\u3001\u4e0b\u51b2<\/h4>\n

      \u53cd\u5c04\u6ce2\u53e0\u52a0\u5728\u539f\u59cb\u8fb9\u6cbf\u4e0a，\u5f62\u6210\u4e09\u79cd\u5178\u578b\u7578\u53d8\u3002\u5b83\u4eec\u4f1a\u76f4\u63a5\u5403\u6389\u63a5\u6536\u5668\u7684\u91c7\u6837\u88d5\u5ea6\u2014\u2014CAN \u6536\u53d1\u5668\u5728\u4f4d\u7684\u91c7\u6837\u70b9（\u901a\u5e38\u4f4d\u4e8e\u4f4d\u7684 75%~87.5% \u5904）\u8bfb\u53d6\u5dee\u5206\u7535\u538b，\u800c\u632f\u94c3\u6070\u597d\u628a\u7535\u5e73\u63a8\u79bb\u4e86\u5e94\u8be5\u5728\u7684\u4f4d\u7f6e\u3002<\/p>\n

      \"\"<\/p>\n

      \u56fe 2\u3000\u7aef\u63a5\u826f\u597d\u4e0e\u7aef\u63a5\u7f3a\u5931\u7684\u6ce2\u5f62\u5bf9\u6bd4（\u793a\u610f）\u3002\u632f\u94c3\u5e45\u5ea6\u8d8a\u5927\u3001\u8870\u51cf\u8d8a\u6162，\u8d8a\u5bb9\u6613\u5728\u91c7\u6837\u70b9\u88ab\u8bef\u5224\u4e3a\u76f8\u53cd\u7684\u903b\u8f91\u4f4d\u3002<\/p>\n

      \u9ad8\u6ce2\u7279\u7387\u4e0b\u7684\u8fde\u9501\u53cd\u5e94：\u53cd\u5c04 \u2192 \u6ce2\u5f62\u632f\u94c3 \u2192 \u91c7\u6837\u70b9\u7535\u5e73\u9519\u8bef \u2192 \u4f4d\u9519\u8bef（Bit Error） \u2192 \u53d1\u9001\u7aef\u68c0\u6d4b\u5230\u9519\u8bef \u2192 \u9519\u8bef\u5e27\u91cd\u53d1 \u2192 \u603b\u7ebf\u8d1f\u8f7d\u9aa4\u5347 \u2192 \u82e5\u53cd\u590d\u51fa\u9519，\u8282\u70b9\u9519\u8bef\u8ba1\u6570\u5668\u7d2f\u52a0，\u6700\u7ec8\u8282\u70b9\u88ab\u603b\u7ebf\u5173\u95ed（Bus Off）\u3002\u5f88\u591a"\u5076\u53d1\u901a\u4fe1\u4e2d\u65ad""\u534a\u591c\u62a5\u603b\u7ebf\u6545\u969c"\u7684\u73b0\u573a\u95ee\u9898，\u6839\u5b50\u5c31\u5728\u7aef\u63a5\u4e0a\u3002<\/p>\n

      4 \u4e3a\u4ec0\u4e48\u5fc5\u987b\u63a5\u5728"\u6700\u8fdc\u4e24\u7aef"<\/h3>\n

      \u8fd9\u662f\u4e00\u4e2a\u5e38\u88ab\u5ffd\u7565\u7684\u8981\u70b9\u3002\u65e2\u7136\u53cd\u5c04\u53ea\u5728"\u963b\u6297\u4e0d\u8fde\u7eed\u70b9"\u53d1\u751f，\u90a3\u603b\u7ebf\u4e0a\u7684\u6bcf\u4e2a\u4e0d\u8fde\u7eed\u70b9\u90fd\u8981\u5904\u7406\u3002\u628a\u603b\u7ebf\u60f3\u8c61\u6210\u4e00\u6839\u4e24\u7aef\u5f00\u53e3\u7684\u7ba1\u5b50：<\/p>\n

        \n
      • \n

        \u4fe1\u53f7\u4ece\u5de6\u7aef\u51fa\u53d1，\u4e00\u8def\u5411\u53f3\u4f20\u64ad，\u5230\u8fbe\u6700\u53f3\u7aef\u2014\u2014\u8fd9\u91cc\u655e\u5f00，\u4f1a\u53cd\u5c04；\u6240\u4ee5\u8981\u63a5\u4e00\u4e2a 120\u03a9 \u628a\u5b83"\u5c01\u4f4f"\u3002<\/p>\n<\/li>\n

      • \n

        \u540c\u65f6，\u53cd\u5c04\u56de\u6ce2\u4f1a\u5411\u5de6\u53cd\u4f20，\u5230\u8fbe\u6700\u5de6\u7aef\u2014\u2014\u8fd9\u91cc\u4e5f\u655e\u5f00，\u4f1a\u518d\u6b21\u53cd\u5c04；\u6240\u4ee5\u5de6\u7aef\u4e5f\u5fc5\u987b\u6709 120\u03a9\u3002<\/p>\n<\/li>\n

      • \n

        \u53ea\u6709\u4e24\u7aef\u90fd\u5c01\u4f4f，\u6ce2\u624d\u80fd\u5728\u4e24\u7aef\u7684"\u541e\u80fd\u53e3"\u4e0a\u88ab\u5f7b\u5e95\u5438\u6536，\u603b\u7ebf\u4e0a\u4e0d\u518d\u6709\u6765\u56de\u5f39\u8df3\u7684\u80fd\u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n

        4.1 \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u63a5\u5728\u4e2d\u95f4\u6216\u53ea\u63a5\u4e00\u7aef<\/h4>\n\n\u9519\u8bef\u505a\u6cd5\u95ee\u9898\u6240\u5728\u540e\u679c<\/tr>\n\n\n\n\n\n
        \u53ea\u5728\u603b\u7ebf\u4e00\u7aef\u63a5 120\u03a9<\/td>\n\u53e6\u4e00\u7aef\u4ecd\u5f00\u8def<\/td>\n\u90a3\u4e00\u7aef\u6301\u7eed\u53cd\u5c04，\u5f62\u6210\u5f80\u590d\u632f\u8361，\u6ce2\u5f62\u4e25\u91cd\u632f\u94c3<\/td>\n<\/tr>\n
        \u628a\u4e24\u4e2a\u7535\u963b\u90fd\u96c6\u4e2d\u63a5\u5728\u540c\u4e00\u4e2a\u8282\u70b9\/\u540c\u4e00\u7aef<\/td>\n\u53e6\u4e00\u7aef\u5f00\u8def；\u4e14\u5e76\u8054\u540e\u7b49\u6548 60\u03a9 \u4e0e\u7ebf\u7f06\u4e0d\u5339\u914d<\/td>\n\u8fdc\u7aef\u53cd\u5c04 + \u8fd1\u7aef\u5931\u914d，\u95ee\u9898\u6bd4\u53ea\u63a5\u4e00\u7aef\u66f4\u7cdf<\/td>\n<\/tr>\n
        \u6bcf\u4e2a\u8282\u70b9\u90fd\u63a5\u4e00\u4e2a 120\u03a9<\/td>\nN \u4e2a\u7535\u963b\u5e76\u8054，\u7b49\u6548\u963b\u6297\u8fdc\u4f4e\u4e8e 120\u03a9（\u5982 5 \u8282\u70b9\u219224\u03a9）<\/td>\n\u603b\u7ebf\u88ab"\u91cd\u8f7d"，\u5dee\u5206\u7535\u538b\u5e45\u503c\u9aa4\u964d，\u901a\u4fe1\u8ddd\u79bb\u548c\u6297\u6270\u5ea6\u5927\u5e45\u4e0b\u964d<\/td>\n<\/tr>\n
        \u63a5\u6210\u661f\u578b\u62d3\u6251 \/ \u957f\u652f\u7ebf（stub > 0.3 m）<\/td>\n\u5206\u652f\u70b9\u672c\u8eab\u662f\u963b\u6297\u4e0d\u8fde\u7eed\u70b9，\u652f\u7ebf\u672b\u7aef\u4e5f\u662f<\/td>\n\u5206\u652f\u5904\u4ea7\u751f\u591a\u91cd\u53cd\u5c04，\u661f\u578b\u62d3\u6251\u5728\u9ad8\u901f CAN \u4e2d\u57fa\u672c\u4e0d\u53ef\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u9519\u8bef\u63a5\u6cd5：\u4e24\u7aef\u5404 120\u03a9 \u4f46\u4e2d\u95f4\u53c8"\u987a\u624b"\u52a0\u4e86\u7535\u963b；\u53ea\u5728\u4e00\u7aef\u63a5\u53e6\u4e00\u7aef\u88f8\u7740；\u661f\u578b\/\u83ca\u82b1\u94fe\u957f\u652f\u7ebf\u5e03\u7ebf；\u62ff\u4e07\u7528\u8868\u91cf\u5230 120\u03a9 \u5c31\u4ee5\u4e3a\u6ca1\u95ee\u9898\u3002<\/p>\n

        \u6b63\u786e\u63a5\u6cd5：\u4e14\u4ec5\u5728\u7269\u7406\u6700\u8fdc\u4e24\u7aef\u5404\u63a5\u4e00\u4e2a 120\u03a9；\u4e2d\u95f4\u8282\u70b9\u4e00\u5f8b\u4e0d\u63a5\u7aef\u63a5\u7535\u963b；\u4e3b\u5e72\u4e00\u6761\u7ebf\u62c9\u5230\u5e95，\u652f\u7ebf\u5c3d\u91cf\u77ed（1 Mbit\/s \u65f6 < 0.3 m）；\u65ad\u7535\u6d4b\u5f97\u603b\u7ebf\u603b\u963b \u2248 60\u03a9 \u624d\u7b97\u5408\u683c\u3002<\/p>\n

        \u5173\u4e8e"\u4e24\u4e2a 120\u03a9 \u5e76\u8054\u6210 60\u03a9"\u7684\u5e38\u89c1\u56f0\u60d1：\u65e2\u7136\u7ebf\u7f06\u662f 120\u03a9，\u4e3a\u4ec0\u4e48\u63a5\u4e86\u4e24\u4e2a 120\u03a9 \u53cd\u800c\u5bf9？\u56e0\u4e3a\u8fd9\u4e24\u4e2a\u7535\u963b\u662f\u5e76\u8054\u7684\u2014\u2014\u4ece\u603b\u7ebf\u4efb\u610f\u4e00\u70b9\u5411\u5de6\u53f3\u4e24\u7aef\u770b\u53bb，\u770b\u5230\u7684\u662f"120\u03a9 \u7aef\u63a5\u7535\u963b"\u4e0e"\u53e6\u4e00\u4fa7\u7ebf\u7f06+\u672b\u7aef 120\u03a9"\u7684\u4e32\u5e76\u8054\u7ec4\u5408，\u5176\u7a33\u6001\u76f4\u6d41\u7b49\u6548\u503c\u6b63\u597d\u662f 120\u2225120 = 60\u03a9\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u7528\u4e07\u7528\u8868\u5728\u65ad\u7535\u72b6\u6001\u4e0b\u91cf CAN_H \u4e0e CAN_L，\u6b63\u5e38\u503c\u7ea6 60\u03a9\u2014\u2014\u8fd9\u662f\u73b0\u573a\u6700\u5feb\u3001\u6700\u6709\u6548\u7684\u7aef\u63a5\u81ea\u68c0\u65b9\u6cd5\u3002<\/p>\n

        5 \u5de5\u7a0b\u843d\u5730：\u600e\u4e48\u63a5\u3001\u600e\u4e48\u67e5\u3001\u600e\u4e48\u9009<\/h3>\n

        5.1 \u7aef\u63a5\u7535\u963b\u7684\u9009\u578b\u8981\u70b9<\/h4>\n
          \n
        • \n

          \u963b\u503c：120\u03a9，\u7cbe\u5ea6\u5efa\u8bae \u00b11%（\u666e\u901a \u00b15% \u4e5f\u53ef\u7528，\u4f46\u591a\u70b9\u7ea7\u8054\u65f6\u8bef\u5dee\u4f1a\u7d2f\u79ef）<\/p>\n<\/li>\n

        • \n

          \u529f\u7387：CAN \u5dee\u5206\u7535\u538b\u5c0f，\u529f\u7387\u901a\u5e38 1\/4 W（0.25 W）\u5df2\u8db3\u591f，\u9664\u975e\u6709\u7279\u6b8a\u77ac\u6001\u8981\u6c42<\/p>\n<\/li>\n

        • \n

          \u7c7b\u578b：\u91d1\u5c5e\u819c\u6216\u539a\u819c\u8d34\u7247\u7535\u963b\u5747\u53ef，\u5173\u952e\u662f\u4f4e\u5bc4\u751f\u7535\u611f；\u9ad8\u9891\/\u9ad8\u6ce2\u7279\u7387\u573a\u5408\u907f\u514d\u4f7f\u7528\u7ed5\u7ebf\u7535\u963b<\/p>\n<\/li>\n

        • \n

          \u4f4d\u7f6e：\u7269\u7406\u8d34\u5728\u603b\u7ebf\u8fde\u63a5\u5668\u7684\u6700\u672b\u7aef，\u5f15\u7ebf\u5c3d\u53ef\u80fd\u77ed，\u51cf\u5c11\u5f15\u5165\u65b0\u7684\u5bc4\u751f\u53c2\u6570<\/p>\n<\/li>\n

        • \n

          \u53ef\u5207\u6362\u8bbe\u8ba1：\u8c03\u8bd5\u53e3\u5e38\u505a\u6210"\u7aef\u63a5\u53ef\u9009"（\u8df3\u7ebf\u5e3d\u6216\u62e8\u7801），\u65b9\u4fbf\u5224\u65ad\u662f\u8282\u70b9\u5185\u90e8\u7aef\u63a5\u8fd8\u662f\u5916\u90e8\u7aef\u63a5，\u907f\u514d\u91cd\u590d\u7aef\u63a5<\/p>\n<\/li>\n<\/ul>\n

          5.2 \u7aef\u63a5\u65b9\u5f0f\u7684\u51e0\u79cd\u53d8\u4f53<\/h4>\n\n\u7aef\u63a5\u65b9\u5f0f\u7ed3\u6784\u662f\u5426\u63a8\u8350\u7528\u4e8e\u9ad8\u901f CAN\u8bf4\u660e<\/tr>\n\n\n\n\n\n
          \u5355\u7535\u963b\u7aef\u63a5<\/td>\nCAN_H\u2014120\u03a9\u2014CAN_L<\/td>\n\u2714 \u63a8\u8350<\/td>\n\u6700\u6807\u51c6\u3001\u6700\u5e38\u7528，\u76f4\u63a5\u8de8\u63a5\u5728\u5dee\u5206\u5bf9\u4e4b\u95f4<\/td>\n<\/tr>\n
          \u5206\u88c2\u7aef\u63a5（Split）<\/td>\n\u5404 60\u03a9 + \u4e2d\u95f4\u7535\u5bb9<\/td>\n\u25b3 \u6709\u6761\u4ef6<\/td>\n\u53ef\u63d0\u4f9b\u5171\u6a21\u6ee4\u6ce2\u3001\u6539\u5584 EMC，\u4f46\u53ea\u5728\u7279\u5b9a\u573a\u5408\u7528，\u9700\u6309\u6536\u53d1\u5668\u624b\u518c\u8bbe\u8ba1<\/td>\n<\/tr>\n
          \u65e0\u6e90\u7aef\u63a5（\u4ec5 CAN_H \u6216 CAN_L \u5bf9\u5730）<\/td>\n\u5355\u8fb9\u5bf9\u5730<\/td>\n\u2718 \u4e0d\u63a8\u8350<\/td>\n\u7834\u574f\u5dee\u5206\u5bf9\u79f0\u6027，\u5171\u6a21\u6291\u5236\u80fd\u529b\u4e0b\u964d<\/td>\n<\/tr>\n
          \u6709\u6e90\u7aef\u63a5<\/td>\n\u4e09\u6781\u7ba1\/MOS \u52a8\u6001\u63a5\u5165<\/td>\n\u25b3 \u7279\u6b8a\u573a\u5408<\/td>\n\u7528\u4e8e\u53ef\u63d2\u62d4\u8282\u70b9\u3001\u9700\u52a8\u6001\u6539\u53d8\u7aef\u63a5\u7684\u573a\u5408，\u6210\u672c\u4e0e\u590d\u6742\u5ea6\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          5.3 \u73b0\u573a\u81ea\u68c0\u4e09\u6b65\u6cd5<\/h4>\n

          \u7b2c\u4e00\u6b65：\u65ad\u7535\u6d4b\u963b\u3002 \u4e07\u7528\u8868\u6253\u5230\u7535\u963b\u6863，\u6d4b CAN_H \u4e0e CAN_L \u4e4b\u95f4\u7684\u7535\u963b：<\/p>\n

          \"\"<\/p>\n

          \u56fe 3\u3000\u65ad\u7535\u6d4b CAN_H\u2014CAN_L \u7535\u963b\u7684\u4e09\u79cd\u5178\u578b\u7ed3\u679c\u5bf9\u7167，\u662f\u73b0\u573a\u5224\u7aef\u63a5\u6700\u5feb\u6377\u7684\u65b9\u6cd5\u3002<\/p>\n

          \u7b2c\u4e8c\u6b65：\u9010\u6bb5\u6392\u67e5\u3002 \u628a\u603b\u7ebf\u4e2d\u95f4\u65ad\u5f00，\u5206\u522b\u91cf\u4e24\u4fa7，\u5b9a\u4f4d\u54ea\u4e00\u6bb5\u7f3a\u5931\u7aef\u63a5\u3002<\/p>\n

          \u7b2c\u4e09\u6b65：\u5e26\u8f7d\u590d\u6838\u3002 \u7528\u793a\u6ce2\u5668（\u5dee\u5206\u63a2\u5934\u6216 CAN_H\/CAN_L \u53cc\u901a\u9053\u76f8\u51cf）\u89c2\u5bdf\u663e\u6027\u4f4d\u8fb9\u6cbf，\u770b\u662f\u5426\u6709\u8fc7\u51b2\/\u632f\u94c3；\u6709\u6761\u4ef6\u7684\u7528 CAN \u5206\u6790\u4eea（\u5982 CANoe\/CANalyzer）\u67e5\u770b\u9519\u8bef\u5e27\u4e0e\u603b\u7ebf\u8d1f\u8f7d，\u632f\u94c3\u4e25\u91cd\u65f6\u9519\u8bef\u8ba1\u6570\u4f1a\u660e\u663e\u4e0a\u5347\u3002<\/p>\n

          6 \u4e0e\u6ce2\u7279\u7387\u7684\u5b9a\u91cf\u5173\u7cfb（\u8fdb\u9636）<\/h3>\n

          \u53cd\u5c04\u662f\u5426"\u6765\u5f97\u53ca"\u9020\u6210\u5371\u5bb3，\u53d6\u51b3\u4e8e\u5f80\u8fd4\u65f6\u5ef6\u4e0e\u4f4d\u65f6\u95f4\u7684\u6bd4\u503c\u3002\u5de5\u7a0b\u4e0a\u7528\u4e00\u6761\u7ecf\u9a8c\u5224\u636e：\u5f53\u603b\u7ebf\u7684\u5f80\u8fd4\u4f20\u64ad\u65f6\u5ef6\u5c0f\u4e8e\u4f4d\u65f6\u95f4\u7684\u7ea6 1\/4 \u65f6，\u53cd\u5c04\u5728\u91c7\u6837\u70b9\u524d\u57fa\u672c\u8870\u51cf\u5b8c\u6bd5，\u53ef\u89c6\u4e3a\u5b89\u5168\u3002\u7531\u6b64\u53ef\u63a8\u51fa\u6ce2\u7279\u7387\u4e0e\u6700\u5927\u603b\u7ebf\u957f\u5ea6\u7684\u7ea6\u675f\u5173\u7cfb（\u8fd9\u4e5f\u662f ISO 11898 \u7ed9\u51fa\u63a8\u8350\u957f\u5ea6\u8868\u7684\u7531\u6765）：<\/p>\n

          \"\"<\/p>\n\n\u6ce2\u7279\u7387\u6700\u5927\u603b\u7ebf\u957f\u5ea6（\u5178\u578b\u63a8\u8350）\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n
          1 Mbit\/s<\/td>\n40 m<\/td>\n\u9ad8\u901f\u77ed\u8ddd，\u7aef\u63a5\u8981\u6c42\u6700\u4e25\u683c<\/td>\n<\/tr>\n
          500 kbit\/s<\/td>\n100 m<\/td>\n\u4e58\u7528\u8f66\u52a8\u529b\/\u5e95\u76d8\u7f51\u7edc\u5e38\u7528<\/td>\n<\/tr>\n
          250 kbit\/s<\/td>\n250 m<\/td>\n\u8f66\u8eab\u7f51\u7edc\u5e38\u7528<\/td>\n<\/tr>\n
          125 kbit\/s<\/td>\n500 m<\/td>\n\u4f4e\u901f\u8f66\u8eab\/\u8f85\u52a9\u7f51\u7edc<\/td>\n<\/tr>\n
          50 kbit\/s<\/td>\n1000 m<\/td>\n\u957f\u8ddd\u79bb\u4f4e\u901f\u5e94\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u6ce8\u610f：\u8fd9\u5f20\u8868\u662f"\u5728\u7aef\u63a5\u6b63\u786e\u7684\u524d\u63d0\u4e0b"\u7684\u63a8\u8350\u503c\u3002\u7aef\u63a5\u4e00\u65e6\u7f3a\u5931\u6216\u9519\u8bef，\u5b9e\u9645\u53ef\u7528\u957f\u5ea6\u4f1a\u5927\u5e45\u7f29\u6c34\u2014\u2014\u56e0\u4e3a\u53cd\u5c04\u5bfc\u81f4\u7684\u9519\u8bef\u4e0e\u8ddd\u79bb\u3001\u6ce2\u7279\u7387\u90fd\u76f8\u5173，\u4e14\u6ca1\u6709"\u5b89\u5168\u533a"\u53ef\u8a00\u3002<\/p>\n

          CAN FD \u7684\u989d\u5916\u6ce8\u610f：CAN FD \u7684\u6570\u636e\u6bb5\u6ce2\u7279\u7387\u53ef\u9ad8\u8fbe 2~8 Mbit\/s，\u4f4d\u65f6\u95f4\u66f4\u77ed（\u5982 5 Mbit\/s \u65f6\u4ec5 0.2 \u03bcs），\u5bf9\u7aef\u63a5\u3001\u652f\u7ebf\u957f\u5ea6\u3001\u7ebf\u7f06\u4e00\u81f4\u6027\u7684\u8981\u6c42\u6bd4\u7ecf\u5178 CAN \u4e25\u683c\u5f97\u591a\u3002\u540c\u4e00\u603b\u7ebf\u5728\u4ef2\u88c1\u6bb5\u548c\u6570\u636e\u6bb5\u91c7\u7528\u4e0d\u540c\u6ce2\u7279\u7387（BRS \u4f4d\u5207\u6362），\u56e0\u6b64\u66f4\u4e0d\u80fd"\u7528\u8001\u7ecf\u9a8c\u5bf9\u4ed8"\u2014\u2014\u7aef\u63a5\u5fc5\u987b\u4e25\u683c 120\u03a9 \u4e24\u7aef\u3001\u652f\u7ebf\u5fc5\u987b\u6781\u77ed\u3001\u7ebf\u7f06\u5fc5\u987b\u6574\u6761\u8fde\u7eed\u3002<\/p>\n

          7 \u7ed3\u8bba\u4e0e\u68c0\u67e5\u6e05\u5355<\/h3>\n

          \u6838\u5fc3\u7ed3\u8bba\u56de\u987e：<\/p>\n

        • \n

          CAN \u603b\u7ebf\u662f\u4f20\u8f93\u7ebf，\u4fe1\u53f7\u4ee5\u6ce2\u7684\u5f62\u5f0f\u4f20\u64ad；\u6ce2\u9047\u963b\u6297\u4e0d\u8fde\u7eed\u70b9\u5fc5\u7136\u53cd\u5c04\u3002<\/p>\n<\/li>\n

        • \n

          \u53cc\u7ede\u7ebf\u7279\u5f81\u963b\u6297 Z\u2080\u2248120\u03a9；\u7aef\u63a5\u7535\u963b\u53d6 Z_L = 120\u03a9 \u65f6\u53cd\u5c04\u7cfb\u6570 \u0393=0，\u80fd\u91cf\u88ab\u5b8c\u5168\u5438\u6536\u3002<\/p>\n<\/li>\n

        • \n

          \u7aef\u63a5\u5fc5\u987b\u4e14\u53ea\u987b\u653e\u5728\u7269\u7406\u6700\u8fdc\u4e24\u7aef，\u5404\u4e00\u4e2a，\u4e2d\u95f4\u8282\u70b9\u4e0d\u63a5\u3002<\/p>\n<\/li>\n

        • \n

          \u6ce2\u7279\u7387\u8d8a\u9ad8\u3001\u4f4d\u65f6\u95f4\u8d8a\u77ed，\u53cd\u5c04\u6ce2\u8d8a\u6765\u4e0d\u53ca\u8870\u51cf，\u5371\u5bb3\u8d8a\u5927\u2014\u2014\u6240\u4ee5\u9ad8\u901f CAN \u5bf9\u7aef\u63a5\u7684\u8981\u6c42\u662f"\u5fc5\u987b"\u7ea7\u522b\u3002<\/p>\n<\/li>\n

        • \n

          \u73b0\u573a\u81ea\u68c0\u9ec4\u91d1\u5224\u636e：\u65ad\u7535\u6d4b CAN_H\u2014CAN_L \u2248 60\u03a9\u3002<\/p>\n<\/li>\n

          \u843d\u5730\u68c0\u67e5\u6e05\u5355：<\/p>\n\n\u2714\u68c0\u67e5\u9879\u5408\u683c\u6807\u51c6<\/tr>\n\n\n\n\n\n\n\n\n\n
          \u25a1<\/td>\n\u7aef\u63a5\u6570\u91cf<\/td>\n\u6574\u6761\u603b\u7ebf\u6070\u597d 2 \u4e2a 120\u03a9 \u7535\u963b<\/td>\n<\/tr>\n
          \u25a1<\/td>\n\u7aef\u63a5\u4f4d\u7f6e<\/td>\n\u4f4d\u4e8e\u7269\u7406\u6700\u8fdc\u4e24\u7aef，\u4e0d\u5728\u4e2d\u95f4\u3001\u4e0d\u5728\u540c\u4e00\u8282\u70b9<\/td>\n<\/tr>\n
          \u25a1<\/td>\n\u963b\u503c\u9a8c\u8bc1<\/td>\n\u65ad\u7535\u6d4b CAN_H\u2014CAN_L \u2248 60\u03a9<\/td>\n<\/tr>\n
          \u25a1<\/td>\n\u7535\u963b\u7cbe\u5ea6<\/td>\n\u00b11%（\u4e25\u683c\u573a\u5408），\u81f3\u5c11 \u00b15%<\/td>\n<\/tr>\n
          \u25a1<\/td>\n\u652f\u7ebf\u957f\u5ea6<\/td>\n1 Mbit\/s \u65f6 < 0.3 m；CAN FD \u66f4\u77ed<\/td>\n<\/tr>\n
          \u25a1<\/td>\n\u62d3\u6251\u5f62\u5f0f<\/td>\n\u4e00\u6761\u4e3b\u5e72\u5230\u5e95，\u4e0d\u7528\u661f\u578b<\/td>\n<\/tr>\n
          \u25a1<\/td>\n\u7ebf\u7f06\u4e00\u81f4\u6027<\/td>\n\u5168\u7a0b\u540c\u4e00\u89c4\u683c\u53cc\u7ede\u7ebf，\u907f\u514d\u4e2d\u9014\u6362\u7ebf<\/td>\n<\/tr>\n
          \u25a1<\/td>\n\u6ce2\u5f62\u590d\u6838<\/td>\n\u793a\u6ce2\u5668\u770b\u663e\u6027\u4f4d\u8fb9\u6cbf，\u65e0\u663e\u8457\u8fc7\u51b2\/\u632f\u94c3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
          \n

          \u6807\u51c6\u4f9d\u636e：ISO 11898-2\u300aRoad vehicles \u2014 Controller area network (CAN) \u2014 Part 2: High-speed medium access unit\u300b\u3002\u672c\u6587\u4e3a\u9762\u5411\u5de5\u7a0b\u5b9e\u8df5\u7684\u8bf4\u660e，\u6d89\u53ca\u5177\u4f53\u4ea7\u54c1\u8bbe\u8ba1\u65f6\u8bf7\u4ee5\u6240\u7528\u6536\u53d1\u5668\u6570\u636e\u624b\u518c\u4e0e\u6700\u65b0\u7248\u6807\u51c6\u4e3a\u51c6\u3002<\/p>\n

          \u9002\u7528\u8303\u56f4：\u7ecf\u5178 CAN \u4e0e CAN FD \u7684\u9ad8\u901f\u5dee\u5206\u603b\u7ebf（CAN_H \/ CAN_L）\u3002\u4f4e\u901f\u5bb9\u9519 CAN（ISO 11898-3）\u7aef\u63a5\u65b9\u5f0f\u4e0d\u540c，\u4e0d\u5728\u672c\u6587\u8303\u56f4\u5185\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u9002\u7528\u6807\u51c6：ISO 11898-2（\u9ad8\u901f CAN \u7269\u7406\u5c42）\u3000\u9002\u7528\u5bf9\u8c61：\u7ecf\u5178 CAN \/ CAN FD \u7684 CAN_H\u3001CAN_L \u5dee\u5206\u603b\u7ebf\u672c\u6587\u4ece\u4f20\u8f93\u7ebf\u7406\u8bba\u51fa\u53d1，\u8bb2\u6e05\u4e09\u4ef6\u4e8b：\u53cd\u5c04\u4e3a\u4ec0\u4e48\u4ea7\u751f\u3001\u4e3a\u4ec0\u4e48\u6ce2\u7279\u7387\u8d8a\u9ad8\u8d8a\u81f4\u547d\u3001\u4e3a\u4ec0\u4e48\u5fc5\u987b\u63a5\u5728\u6700\u8fdc\u4e24\u7aef，\u5e76\u7ed9\u51fa\u53ef\u76f4\u63a5\u843d\u5730\u7684\u7aef\u63a5\u81ea\u68c0\u65b9\u6cd5\u3002\u4e00\u5206\u949f\u7ed3\u8bba\u53cd\u5c04\u662f\u7269\u7406\u5fc5\u7136，\u4e0d\u662f\\”\u6bdb\u75c5\\”\u3002 \u4fe1\u53f7\u6cbf\u53cc\u7ede\u7ebf\u4ee5\u6709\u9650\u901f\u5ea6\u4f20\u64ad，\u6bcf\u5230\u4e00\u4e2a\u963b\u6297\u7a81\u53d8\u70b9<\/p>\n","protected":false},"author":2,"featured_media":114434,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[13035,9842,11167,13034,5853],"topic":[],"class_list":["post-114440","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-13035","tag-can","tag-13034","tag-5853"],"yoast_head":"\n\u4e3a\u4ec0\u4e48\u9ad8\u901f CAN \u603b\u7ebf\u6700\u8fdc\u4e24\u7aef\u5fc5\u987b\u8fde\u63a5 120\u03a9 \u7535\u963b - 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