{"id":99997,"date":"2024-12-21T11:35:54","date_gmt":"2024-12-21T03:35:54","guid":{"rendered":"\/\/www.viralrail.com\/?p=99997"},"modified":"2024-12-21T11:35:58","modified_gmt":"2024-12-21T03:35:58","slug":"tdpysmy","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99997.html","title":{"rendered":"TTL\u7535\u5e73\u6709\u4ec0\u4e48\u7528?"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"https:\/\/baike.baidu.com\/item\/TTL%E7%94%B5%E5%B9%B3\/5904345\" data-type=\"link\" data-id=\"https:\/\/baike.baidu.com\/item\/TTL%E7%94%B5%E5%B9%B3\/5904345\" target=\"_blank\" rel=\"noopener\">TTL\u7535\u5e73<\/a>(Transistor-Transistor Logic\uff0c\u6676\u4f53\u7ba1-\u6676\u4f53\u7ba1\u903b\u8f91)<\/strong>\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u5b57\u7535\u5e73\u6807\u51c6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u5b57\u7535\u8def\u548c\u901a\u4fe1\u9886\u57df\u3002\u5176\u4e3b\u8981\u7528\u9014\u5305\u62ec\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u5b57\u4fe1\u53f7\u4f20\u8f93<\/strong>\uff1aTTL\u7535\u5e73\u7528\u4e8e\u8868\u793a\u903b\u8f91\u201c\u9ad8\u201d\u548c\u201c\u4f4e\u201d\uff0c\u901a\u5e38\u9ad8\u7535\u5e73\u4e3a2.4V\u52305V\uff0c\u4f4e\u7535\u5e73\u4e3a0V\u52300.8V\u3002\u8fd9\u79cd\u7535\u538b\u8303\u56f4\u786e\u4fdd\u4e86\u6570\u636e\u4f20\u8f93\u7684\u51c6\u786e\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u9002\u7528\u4e8e\u96c6\u6210\u7535\u8def\u5185\u90e8\u3001\u5fae\u63a7\u5236\u5668\u4e0e\u5916\u56f4\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u96c6\u6210\u7535\u8def\u8bbe\u8ba1<\/strong>\uff1aTTL\u7535\u5e73\u88ab\u5e7f\u6cdb\u7528\u4e8e\u6570\u5b57\u903b\u8f91\u95e8\u3001\u8ba1\u6570\u5668\u3001\u5bc4\u5b58\u5668\u7b49\u6570\u5b57\u7535\u8def\u7684\u8bbe\u8ba1\u4e2d\u3002\u7531\u4e8e\u5176\u5feb\u901f\u7684\u5f00\u5173\u901f\u5ea6\u548c\u8f83\u9ad8\u7684\u7535\u6d41\u9a71\u52a8\u80fd\u529b\uff0cTTL\u7535\u5e73\u975e\u5e38\u9002\u5408\u6784\u5efa\u590d\u6742\u7684\u6570\u5b57\u7535\u8def\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u77ed\u8ddd\u79bb\u901a\u4fe1<\/strong>\uff1aTTL\u7535\u5e73\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u901a\u4fe1\uff0c\u5982\u51e0\u7c73\u5230\u6570\u5341\u7c73\u8303\u56f4\u5185\u7684\u6570\u636e\u4f20\u8f93\u3002\u5176\u529f\u8017\u4f4e\u3001\u901f\u5ea6\u5feb\uff0c\u4f46\u4e0d\u9002\u5408\u8fdc\u8ddd\u79bb\u4f20\u8f93\u6216\u6297\u5e72\u6270\u80fd\u529b\u8981\u6c42\u8f83\u9ad8\u7684\u73af\u5883\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u517c\u5bb9\u6027\u4e0e\u8f6c\u6362<\/strong>\uff1aTTL\u7535\u5e73\u4e0e\u5176\u4ed6\u7535\u5e73\u6807\u51c6(\u5982CMOS\u3001RS232)\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7\u7535\u5e73\u8f6c\u6362\u5668\u8fdb\u884c\u8f6c\u6362\u3002\u4f8b\u5982\uff0cMAX232\u82af\u7247\u53ef\u4ee5\u5c06TTL\u7535\u5e73\u8f6c\u6362\u4e3aRS232\u7535\u5e73\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e0e\u5d4c\u5165\u5f0f\u8bbe\u5907<\/strong>\uff1aTTL\u7535\u5e73\u5e38\u7528\u4e8e\u8ba1\u7b97\u673a\u5904\u7406\u5668\u63a7\u5236\u7684\u8bbe\u5907\u5185\u90e8\u901a\u4fe1\uff0c\u5982\u4e32\u53e3\u901a\u4fe1\u3001\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u7b49\u3002\u5b83\u80fd\u591f\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236\u4fe1\u53f7\u7684\u4f20\u9012\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5de5\u4e1a\u63a7\u5236\u4e0e\u901a\u4fe1\u8bbe\u5907<\/strong>\uff1a\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u901a\u4fe1\u8bbe\u5907\u4e2d\uff0cTTL\u7535\u5e73\u7531\u4e8e\u5176\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\uff0c\u4ecd\u7136\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e9b\u63a5\u53e3\u6807\u51c6\u4e2d\uff0c\u5982\u5e76\u884c\u7aef\u53e3\u6216\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u4e2d\uff0cTTL\u7535\u5e73\u7684\u517c\u5bb9\u6027\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1\u73b0\u4ee3\u6280\u672f\u4e2d\u66f4\u591a\u91c7\u7528\u4f4e\u529f\u8017\u7684CMOS\u7535\u5e73\uff0cTTL\u7535\u5e73\u56e0\u5176\u5feb\u901f\u54cd\u5e94\u3001\u9ad8\u53ef\u9760\u6027\u548c\u7b80\u5355\u7684\u8bbe\u8ba1\u7279\u70b9\uff0c\u5728\u8bb8\u591a\u7279\u5b9a\u5e94\u7528\u573a\u666f\u4e2d\u4ecd\u7136\u5177\u6709\u91cd\u8981\u4ef7\u503c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001&nbsp;TTL\u7535\u5e73\u4e0e\u5176\u4ed6\u6570\u5b57\u7535\u5e73\u6807\u51c6\u5bf9\u6bd4<\/h2>\n\n\n\n<p>\u3000\u3000TTL\u7535\u5e73\u4e0e\u5176\u4ed6\u6570\u5b57\u7535\u5e73\u6807\u51c6(\u5982CMOS\u3001LVTTL)\u7684\u6027\u80fd\u6bd4\u8f83\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u7535\u538b\u8303\u56f4<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>TTL<\/strong>\uff1a\u901a\u5e38\u4f7f\u75285V\u4f5c\u4e3a\u9ad8\u7535\u5e73\u9608\u503c\uff0c0V\u4f5c\u4e3a\u4f4e\u7535\u5e73\u9608\u503c\u3002\u8f93\u51fa\u9ad8\u7535\u5e73\u4e00\u822c\u4e3a2.4V\u4ee5\u4e0a\uff0c\u8f93\u51fa\u4f4e\u7535\u5e73\u4e00\u822c\u4e3a0.4V\u4ee5\u4e0b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>CMOS<\/strong>\uff1a\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u66f4\u5bbd\uff0c\u4ece3V\u523018V\u4e0d\u7b49\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u7535\u6e90\u7535\u538b\u3002\u8f93\u51fa\u9ad8\u7535\u5e73\u4e00\u822c\u4e3a0.9VCC(\u7ea6\u7b49\u4e8eVCC)\uff0c\u8f93\u51fa\u4f4e\u7535\u5e73\u4e00\u822c\u4e3a0.1VCC(\u7ea6\u7b49\u4e8eGND)\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LVTTL<\/strong>\uff1a\u91c7\u7528\u8f83\u4f4e\u7684\u5de5\u4f5c\u7535\u538b\uff0c\u59823.3V\u62162.5V\uff0c\u529f\u8017\u66f4\u4f4e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u529f\u8017<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>TTL<\/strong>\uff1a\u529f\u8017\u8f83\u9ad8\uff0c\u56e0\u4e3a\u5176\u7535\u8def\u662f\u7535\u6d41\u63a7\u5236\u5668\u4ef6\uff0c\u9700\u8981\u8f83\u5927\u7684\u7535\u6d41\u6765\u9a71\u52a8\u903b\u8f91\u95e8\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>CMOS<\/strong>\uff1a\u529f\u8017\u8f83\u4f4e\uff0c\u56e0\u4e3a\u5176\u7535\u8def\u662f\u7535\u538b\u63a7\u5236\u5668\u4ef6\uff0c\u5185\u90e8\u6676\u4f53\u7ba1\u5728\u9ad8\u7535\u5e73\u65f6\u622a\u6b62\uff0c\u5728\u4f4e\u7535\u5e73\u65f6\u5bfc\u901a\uff0c\u51e0\u4e4e\u4e0d\u6d88\u8017\u7535\u6d41\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LVTTL<\/strong>\uff1a\u529f\u8017\u8fdb\u4e00\u6b65\u964d\u4f4e\uff0c\u9002\u5408\u4f4e\u529f\u8017\u5e94\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u901f\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>TTL<\/strong>\uff1a\u5177\u6709\u8f83\u5feb\u7684\u5207\u6362\u901f\u5ea6\uff0c\u4f20\u8f93\u5ef6\u8fdf\u65f6\u95f4\u77ed(5-10ns)\uff0c\u9002\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>CMOS<\/strong>\uff1a\u901f\u5ea6\u8f83\u6162\uff0c\u4f20\u8f93\u5ef6\u8fdf\u65f6\u95f4\u957f(25-50ns)\uff0c\u4f46\u9ad8\u901fCMOS\u8bbe\u8ba1\u5df2\u7ecf\u63a5\u8fd1TTL\u7684\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LVTTL<\/strong>\uff1a\u4fdd\u6301\u4e86TTL\u7684\u9ad8\u901f\u4f20\u8f93\u7279\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>TTL<\/strong>\uff1a\u6297\u5e72\u6270\u80fd\u529b\u8f83\u5dee\uff0c\u566a\u58f0\u5bb9\u9650\u4e3a0.4V\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>CMOS<\/strong>\uff1a\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u566a\u58f0\u5bb9\u9650\u4e3a1.5V\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LVTTL<\/strong>\uff1a\u7535\u538b\u8303\u56f4\u7a84\uff0c\u63d0\u9ad8\u4e86\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>TTL<\/strong>\uff1a\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8ba1\u7b97\u673a\u5904\u7406\u5668\u63a7\u5236\u7684\u8bbe\u5907\u5185\u90e8\u6570\u636e\u4f20\u8f93\uff0c\u5bf9\u7535\u6e90\u8981\u6c42\u4e0d\u9ad8\u3001\u70ed\u635f\u8017\u4f4e\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>CMOS<\/strong>\uff1a\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u96c6\u6210\u7535\u8def\u548c\u79fb\u52a8\u8bbe\u5907\u7b49\u9886\u57df\uff0c\u63d0\u4f9b\u4f4e\u529f\u8017\u548c\u9ad8\u6027\u80fd\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LVTTL<\/strong>\uff1a\u9002\u7528\u4e8e\u5bf9\u529f\u7387\u6548\u7387\u6709\u9ad8\u8981\u6c42\u7684\u5e94\u7528\uff0c\u5982\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u79fb\u52a8\u8bbe\u5907\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000TTL\u7535\u5e73\u5728\u901f\u5ea6\u548c\u566a\u58f0\u5bb9\u5fcd\u5ea6\u65b9\u9762\u8868\u73b0\u4f18\u5f02\uff0c\u4f46\u529f\u8017\u8f83\u9ad8;CMOS\u7535\u5e73\u5728\u529f\u8017\u548c\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u8868\u73b0\u66f4\u597d\uff0c\u4f46\u901f\u5ea6\u8f83\u6162;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 TTL\u7535\u5e73\u5728\u73b0\u4ee3\u7535\u5b50\u8bbe\u5907\u4e2d\u7684\u5e94\u7528\u6709\u54ea\u4e9b\u5177\u4f53\u6848\u4f8b?<\/h2>\n\n\n\n<p>\u3000\u3000TTL(Transistor-Transistor Logic)\u7535\u5e73\u5728\u73b0\u4ee3\u7535\u5b50\u8bbe\u5907\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5177\u4f53\u6848\u4f8b\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5fae\u63a7\u5236\u5668\uff08MCU\uff09\u5185\u90e8\u901a\u8baf<\/strong>\uff1aTTL\u7535\u5e73\u5e38\u7528\u4e8e\u5fae\u63a7\u5236\u5668\u5185\u90e8\u7684\u4fe1\u53f7\u4f20\u8f93\uff0c\u7531\u4e8e\u5176\u4f4e\u529f\u8017\u3001\u9ad8\u901f\u7387\u7684\u7279\u70b9\uff0c\u9002\u5408\u5904\u7406\u590d\u6742\u7684\u903b\u8f91\u8fd0\u7b97\u548c\u6570\u636e\u5904\u7406\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>MCU\u4e0e\u5916\u8bbe\u901a\u4fe1<\/strong>\uff1a\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\uff0cTTL\u7535\u5e73\u7528\u4e8e\u5fae\u63a7\u5236\u5668\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u4e32\u53e3\u901a\u4fe1\u5b9e\u73b0\u4f20\u611f\u5668\u6570\u636e\u7684\u8bfb\u53d6\u548c\u63a7\u5236\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>PCB\u677f\u4e0a\u7684\u4fe1\u53f7\u4f20\u8f93<\/strong>\uff1a\u5728\u5370\u5237\u7535\u8def\u677f(PCB)\u8bbe\u8ba1\u4e2d\uff0cTTL\u7535\u5e73\u7528\u4e8e\u4e0d\u540c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4fe1\u53f7\u4f20\u8f93\uff0c\u786e\u4fdd\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong>\uff1a\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0cTTL\u7535\u5e73\u7528\u4e8e\u63a7\u5236\u5404\u79cd\u673a\u68b0\u8bbe\u5907\u548c\u4f20\u611f\u5668\uff0c\u5b9e\u73b0\u81ea\u52a8\u5316\u751f\u4ea7\u8fc7\u7a0b\u7684\u7cbe\u786e\u63a7\u5236\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7269\u8054\u7f51\u8bbe\u5907<\/strong>\uff1a\u5728\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\uff0cTTL\u7535\u5e73\u7528\u4e8e\u6570\u636e\u91c7\u96c6\u548c\u4f20\u8f93\uff0c\u652f\u6301\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u6548\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8ba1\u7b97\u673a\u4e32\u53e3\u901a\u4fe1<\/strong>\uff1aTTL\u7535\u5e73\u5e38\u7528\u4e8e\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u7684\u4e32\u53e3\u901a\u4fe1\uff0c\u5982\u4e32\u53e3\u8c03\u8bd5\u5de5\u5177\u548c\u5d4c\u5165\u5f0f\u5f00\u53d1\u677f\u7b49\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6a21\u6570\u8f6c\u6362\u5668\uff08ADC\uff09<\/strong>&nbsp;\uff1a\u5728\u6a21\u6570\u8f6c\u6362\u5668\u4e2d\uff0cTTL\u7535\u8def\u7528\u4e8e\u5904\u7406\u6a21\u62df\u4fe1\u53f7\u7684\u91c7\u6837\u548c\u91cf\u5316\uff0c\u5c06\u6a21\u62df\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u97f3\u9891\u653e\u5927\u5668<\/strong>\uff1a\u5728\u97f3\u9891\u653e\u5927\u5668\u4e2d\uff0cTTL\u7535\u8def\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u97f3\u9891\u4fe1\u53f7\u7684\u653e\u5927\u548c\u6ee4\u6ce2\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>USB\u63a5\u53e3<\/strong>\uff1a\u867d\u7136\u73b0\u4ee3USB\u63a5\u53e3\u4e3b\u8981\u4f7f\u7528CMOS\u6280\u672f\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cTTL\u7535\u8def\u4ecd\u7528\u4e8e\u4fe1\u53f7\u5904\u7406\u548c\u7535\u5e73\u8f6c\u6362\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u8bbe\u8ba1\u4e00\u4e2a\u9ad8\u6548\u7684TTL\u7535\u5e73\u5230RS232\u7535\u5e73\u7684\u8f6c\u6362\u7535\u8def?<\/h2>\n\n\n\n<p>\u3000\u3000\u8bbe\u8ba1\u4e00\u4e2a\u9ad8\u6548\u7684TTL\u7535\u5e73\u5230RS232\u7535\u5e73\u7684\u8f6c\u6362\u7535\u8def\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\u548c\u5efa\u8bae\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u9009\u62e9\u5408\u9002\u7684\u8f6c\u6362\u82af\u7247<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>MAX232\u82af\u7247<\/strong>\uff1a\u8fd9\u662f\u6700\u5e38\u7528\u7684TTL\u5230RS232\u7535\u5e73\u8f6c\u6362\u82af\u7247\u4e4b\u4e00\u3002\u5b83\u5177\u6709\u53cc\u5411\u7535\u5e73\u8f6c\u6362\u529f\u80fd\uff0c\u80fd\u591f\u5c06TTL\u7535\u5e73\u8f6c\u6362\u4e3aRS232\u7535\u5e73\uff0c\u6216\u5c06RS232\u7535\u5e73\u8f6c\u6362\u4e3aTTL\u7535\u5e73\u3002MAX232\u82af\u7247\u5185\u90e8\u5305\u542b\u4e00\u4e2a\u7535\u8377\u6cf5\u7535\u8def\uff0c\u7528\u4e8e\u751f\u6210RS232\u6240\u9700\u7684\u9ad8\u7535\u538b\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>MAX3232\u82af\u7247<\/strong>\uff1a\u4e0eMAX232\u7c7b\u4f3c\uff0c\u4f46\u652f\u6301\u66f4\u9ad8\u7684\u901a\u4fe1\u901f\u7387\u548c\u66f4\u591a\u7684UART\u901a\u9053\u3002\u4f8b\u5982\uff0cMAX3232E\u652f\u6301\u4e24\u8defUART\u4fe1\u53f7\u8f6c\u6362\u4e3aRS232.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u7535\u8def\u8bbe\u8ba1<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u7535\u6e90\u8fde\u63a5<\/strong>\uff1a\u786e\u4fdd\u4e3a\u8f6c\u6362\u82af\u7247\u63d0\u4f9b\u6b63\u786e\u7684\u7535\u6e90\u7535\u538b\u3002\u5bf9\u4e8eMAX232\u548cMAX3232.\u901a\u5e38\u9700\u8981\u4e00\u4e2a\u6b63\u7535\u6e90(\u59823.3V\u62165V)\u548c\u4e00\u4e2a\u8d1f\u7535\u6e90(\u5982-3V)\u3002\u5982\u679c\u4f7f\u7528\u7684\u662f3.3V\u7cfb\u7edf\uff0c\u53ef\u4ee5\u4f7f\u7528\u5916\u90e8\u7535\u8377\u6cf5\u7535\u8def\u6765\u751f\u6210\u6240\u9700\u7684\u8d1f\u7535\u538b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u53f7\u8fde\u63a5<\/strong>\uff1a\u5c06TTL\u4fe1\u53f7\u7ebf(\u5982TXD\u3001RXD)\u8fde\u63a5\u5230\u8f6c\u6362\u82af\u7247\u7684\u76f8\u5e94\u8f93\u5165\u5f15\u811a\uff0c\u5c06RS232\u4fe1\u53f7\u7ebf\u8fde\u63a5\u5230\u8f6c\u6362\u82af\u7247\u7684\u8f93\u51fa\u5f15\u811a\u3002\u4f8b\u5982\uff0c\u5c06TTL\u7684TXD\u8fde\u63a5\u5230MAX232\u7684T1IN\u5f15\u811a\uff0c\u5c06RS232\u7684TXD\u8fde\u63a5\u5230MAX232\u7684T1OUT\u5f15\u811a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u7535\u8def\u4fdd\u62a4<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u4e8c\u6781\u7ba1\u4fdd\u62a4<\/strong>\uff1a\u5728RS232\u4fe1\u53f7\u7ebf\u4e0a\u6dfb\u52a0\u4e8c\u6781\u7ba1\uff0c\u4ee5\u9632\u6b62\u53cd\u5411\u7535\u538b\u51fb\u7a7f\u8f6c\u6362\u82af\u7247\u3002\u4f8b\u5982\uff0c\u5728RS232 TXD\u5f15\u811a\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u53cd\u5411\u4e8c\u6781\u7ba1\uff0c\u4ee5\u4fdd\u62a4NPN\u4e09\u6781\u7ba1\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7535\u5bb9\u6ee4\u6ce2<\/strong>\uff1a\u5728\u8f6c\u6362\u82af\u7247\u7684\u8f93\u5165\u548c\u8f93\u51fa\u7aef\u6dfb\u52a0\u9002\u5f53\u7684\u7535\u5bb9\uff0c\u4ee5\u6ee4\u9664\u566a\u58f0\u548c\u5e72\u6270\u3002\u4f8b\u5982\uff0c\u4f7f\u7528100nF\u7684\u7535\u5bb9\u8fde\u63a5\u5728TTL\u4fe1\u53f7\u7ebf\u4e0a\uff0c\u4ee5\u7a33\u5b9a\u7535\u538b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u9694\u79bb\u8bbe\u8ba1<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5149\u7535\u9694\u79bb<\/strong>\uff1a\u4e3a\u4e86\u63d0\u9ad8\u7535\u8def\u7684\u5b89\u5168\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u53ef\u4ee5\u5728TTL\u548cRS232\u4e4b\u95f4\u6dfb\u52a0\u5149\u7535\u9694\u79bb\u6a21\u5757\u3002\u8fd9\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u7535\u6c14\u6545\u969c\u548c\u7535\u78c1\u5e72\u6270\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u5b9e\u9645\u5e94\u7528<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u9a8c\u8bc1\u7535\u8def<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u786e\u4fdd\u6240\u6709\u8fde\u63a5\u6b63\u786e\u65e0\u8bef\uff0c\u5e76\u8fdb\u884c\u529f\u80fd\u6d4b\u8bd5\u3002\u53ef\u4ee5\u4f7f\u7528\u793a\u6ce2\u5668\u68c0\u67e5\u4fe1\u53f7\u6ce2\u5f62\uff0c\u786e\u4fdd\u8f6c\u6362\u540e\u7684\u4fe1\u53f7\u7b26\u5408RS232\u6807\u51c6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u8bbe\u8ba1\u51fa\u4e00\u4e2a\u9ad8\u6548\u4e14\u53ef\u9760\u7684TTL\u7535\u5e73\u5230RS232\u7535\u5e73\u7684\u8f6c\u6362\u7535\u8def\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 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