{"id":78821,"date":"2024-01-06T11:39:57","date_gmt":"2024-01-06T03:39:57","guid":{"rendered":"\/\/www.viralrail.com\/?p=78821"},"modified":"2024-01-06T11:39:57","modified_gmt":"2024-01-06T03:39:57","slug":"rytdqb","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/78821.html","title":{"rendered":"RS232\u4e0eTTL\u7684\u533a\u522b"},"content":{"rendered":"<p>&emsp;&emsp;RS232\u548cTTL\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u548c\u8ba1\u7b97\u673a\u8fde\u63a5\u4e2d\u90fd\u6709\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e24\u79cd\u6807\u51c6\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u7279\u70b9\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n<h2 style=\"text-align: center;\"><a href=\"\/\/www.viralrail.com\/tag\/r-3\" target=\"_blank\" rel=\"noopener\">RS232<\/a>\u4ecb\u7ecd<\/h2>\n<p>&emsp;&emsp;RS232\uff08Recommended Standard 232\uff09\u662f\u7531\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1a\u5236\u5b9a\u7684\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u7528\u4e8e\u5b9a\u4e49\u6570\u636e\u901a\u4fe1\u8bbe\u5907\u4e4b\u95f4\u7684\u8fde\u63a5\u548c\u901a\u8baf\u534f\u8bae\u3002\u5b83\u91c7\u7528\u8d1f\u903b\u8f91\u7535\u5e73\u8868\u793a\u903b\u8f91\u201c1\u201d\uff08\u901a\u5e38\u4e3a-3\u81f3-15V\uff09\uff0c\u6b63\u903b\u8f91\u7535\u5e73\u8868\u793a\u903b\u8f91\u201c0\u201d \uff08\u901a\u5e38\u4e3a+3\u81f3+15V\uff09\u3002RS232\u901a\u4fe1\u901f\u7387\u4e00\u822c\u53ef\u8fbe\u52309600bps\u3002<\/p>\n<h3>&emsp;&emsp;RS232\u7279\u70b9<\/h3>\n<p>&emsp;&emsp;RS232\u901a\u5e38\u4f7f\u75289\u9488\u621625\u9488\u8fde\u63a5\u5668\uff0c\u7ebf\u7f06\u957f\u5ea6\u4e00\u822c\u4e0d\u8d85\u8fc750\u82f1\u5c3a\u3002\u5176\u4f18\u70b9\u662f\u4fe1\u53f7\u4f20\u8f93\u7a33\u5b9a\u53ef\u9760\uff0c\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u548c\u957f\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n<h2 style=\"text-align: center;\">TTL\u4ecb\u7ecd<\/h2>\n<p>&emsp;&emsp;TTL\uff08Transistor-Transistor Logic\uff09\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u5b57\u7535\u8def\u903b\u8f91\u6807\u51c6\uff0c\u4e5f\u88ab\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u3002TTL\u901a\u5e38\u91c7\u75280-5V\u7684\u7535\u5e73\u6765\u8868\u793a\u903b\u8f91\u201c0\u201d\u548c\u201c1\u201d\uff0c\u901a\u4fe1\u901f\u7387\u53ef\u8fbe\u5230115200bps\u3002<\/p>\n<h3>&emsp;&emsp;TTL\u7279\u70b9<\/h3>\n<p>&emsp;&emsp;TTL\u901a\u5e38\u91c7\u75283.3V\u62165V\u4f9b\u7535\uff0c\u9002\u7528\u4e8e\u7535\u5b50\u8bbe\u5907\u5185\u90e8\u7684\u903b\u8f91\u7535\u5e73\u8f6c\u6362\u548c\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002\u5b83\u7684\u4f18\u70b9\u662f\u786c\u4ef6\u7535\u8def\u7b80\u5355\uff0c\u901f\u5ea6\u8f83\u5feb\uff0c\u9002\u7528\u4e8e<a href=\"\/\/www.viralrail.com\/tag\/qrs\" target=\"_blank\" rel=\"noopener\">\u5d4c\u5165\u5f0f<\/a>\u7cfb\u7edf\u548c\u7535\u5b50\u8bbe\u5907\u95f4\u7684\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n<h2 style=\"text-align: center;\">RS232\u4e0eTTL\u7684\u533a\u522b<\/h2>\n<h3>&emsp;&emsp;\u7535\u5e73\u6807\u51c6<\/h3>\n<p>&emsp;&emsp;RS232\u91c7\u7528\u8d1f\u903b\u8f91\u7535\u5e73\u8868\u793a\u903b\u8f91\u201c1\u201d\uff0c\u800cTTL\u5219\u91c7\u75280-5V\u7684\u7535\u5e73\u6765\u8868\u793a\u903b\u8f91\u201c0\u201d\u548c\u201c1\u201d\u3002\u8fd9\u5bfc\u81f4\u4e86\u5b83\u4eec\u5728\u7535\u6c14\u7279\u6027\u4e0a\u7684\u533a\u522b\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u3002<\/p>\n<h3>&emsp;&emsp;\u901a\u4fe1\u901f\u7387<\/h3>\n<p>&emsp;&emsp;RS232\u7684\u901a\u4fe1\u901f\u7387\u4e00\u822c\u53ef\u8fbe9600bps\uff0c\u800c<a href=\"\/\/www.viralrail.com\/tag\/ttl\" target=\"_blank\" rel=\"noopener\">TTL<\/a>\u53ef\u4ee5\u8fbe\u5230115200bps\u3002\u901a\u4fe1\u901f\u7387\u7684\u5dee\u5f02\u4f7f\u5f97\u5b83\u4eec\u5728\u5904\u7406\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u8981\u6c42\u4e0d\u540c\u7684\u5e94\u7528\u4e2d\u6709\u5404\u81ea\u7684\u4f18\u52bf\u3002<\/p>\n<h2 style=\"text-align: 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