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  \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u5982\u4f55\u5b9e\u73b0\u4eceTTL\u5230RS232\u7684\u7535\u5e73\u8f6c\u6362\uff0c\u5e76\u4ecb\u7ecd\u8fd9\u4e00\u8fc7\u7a0b\u7684\u5173\u952e\u6b65\u9aa4\u548c\u539f\u7406\u3002<\/p>\n

\u7406\u89e3TTL\u548cRS232<\/h2>\n

  \u9996\u5148\uff0c\u8ba9\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e0bTTL<\/a>\uff08Transistor-Transistor Logic\uff09\u548cRS232\uff08Recommended Standard 232\uff09\u3002<\/p>\n

  \u4ec0\u4e48\u662fTTL?<\/h3>\n

  TTL\u662f\u4e00\u79cd\u6570\u5b57\u7535\u8def\u7535\u5e73\u6807\u51c6\uff0c\u901a\u5e38\u4f7f\u75285V\u8868\u793a\u903b\u8f91\u9ad8\u7535\u5e73\uff0c0V\u8868\u793a\u903b\u8f91\u4f4e\u7535\u5e73\u3002\u5b83\u5728\u8bb8\u591a\u6570\u5b57\u7535\u8def\u548c\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u88ab\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

  \u4ec0\u4e48\u662fRS232?<\/h3>\n

  RS232\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5176\u7535\u5e73\u8303\u56f4\u5728-15V\u81f3+15V\u4e4b\u95f4\u3002\u5b83\u5e38\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5982\u4e32\u53e3\u901a\u4fe1<\/a>\u548c\u8c03\u5236\u89e3\u8c03<\/a>\u5668\u8fde\u63a5\u3002<\/p>\n

\u7535\u5e73\u8f6c\u6362\u65b9\u6cd5<\/h2>\n

  \u4f7f\u7528\u8f6c\u6362\u82af\u7247<\/h3>\n

  \u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e13\u7528\u7684\u8f6c\u6362\u82af\u7247\uff0c\u5982MAX232\u3002\u8fd9\u79cd\u82af\u7247\u53ef\u4ee5\u5c06TTL\u7535\u5e73\u8f6c\u6362\u4e3aRS232\u7535\u5e73\uff0c\u5e76\u5b9e\u73b0\u9006\u5411\u8f6c\u6362\u3002<\/p>\n

  \u57fa\u4e8e\u7535\u5e73\u8f6c\u6362\u7535\u8def<\/h3>\n

  \u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u901a\u8fc7\u4f7f\u7528\u7535\u5e73\u8f6c\u6362\u7535\u8def\uff0c\u5c06TTL\u903b\u8f91\u7535\u5e73\u8f6c\u6362\u4e3aRS232\u6807\u51c6\u7535\u5e73\u3002\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u4e00\u4e9b\u7535\u5b50\u5143\u4ef6\u548c\u7ebf\u8def\u8bbe\u8ba1\u77e5\u8bc6\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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