{"id":110994,"date":"2026-09-30T02:24:54","date_gmt":"2026-09-29T18:24:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/110994.html"},"modified":"2026-09-30T02:24:54","modified_gmt":"2026-09-29T18:24:54","slug":"fpga%e7%94%b5%e5%b9%b3%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/110994.html","title":{"rendered":"FPGA\u7535\u5e73\u603b\u7ed3"},"content":{"rendered":"

<\/h2>\n

FPGA\u7535\u5e73\u6807\u51c6\u7684\u4ecb\u7ecd<\/span><\/span><\/span><\/h3>\n

FPGA\u7535\u5e73\u6807\u51c6\u603b\u89c8<\/span><\/span><\/span><\/h4>\n

\u6211\u4eec\u5728\u5bf9FPGA\u9879\u76ee\u8fdb\u884c\u7ea6\u675f\u7684\u65f6\u5019，\u5e38\u5e38\u770b\u5230\u8fd9\u6837\u7684\u7535\u5e73\u6807\u51c6，\u4f8b\u5982LVCOM18，LVCOS25，LVDS，LVDS25\u7b49\u7b49，\u5176\u5b9e\u8fd9\u4e9b\u90fd\u662f\u4e00\u7cfb\u5217\u7684\u7535\u5e73\u6807\u51c6\u3002\u5982\u56fe\u6240\u793a\u3002<\/span><\/span><\/span><\/p>\n

\n

\"\"<\/p>\n

\u9488\u5bf9\u6570\u5b57\u7535\u8def\u800c\u8a00，\u6570\u5b57\u7535\u8def\u8868\u793a\u7535\u5e73\u7684\u53ea\u67091\u548c0\u4e24\u4e2a\u72b6\u6001，\u5728\u5b9e\u9645\u7684\u7535\u8def\u4e2d，\u9700\u8981\u7ea6\u5b9a\u4ec0\u4e48\u6837\u7684\u7535\u538b\u4e3a1，\u4ec0\u4e48\u6837\u7684\u7535\u538b\u4e3a0\u3002\u6570\u5b57\u7535\u8def\u4e2d\u7684\u53cc\u9608\u503c\u662f\u8fd9\u6837\u5b9a\u4e49\u7684，\u4f8b\u5982TTL\u63a5\u53e3\u7535\u5e73\u6807\u51c6：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.4V，\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.5V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.0V，\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.8V；<\/span><\/span><\/span><\/p>\n

\u4e5f\u5c31\u662f\u9700\u8981\u5927\u4e8e\u67d0\u4e00\u4e2a\u9608\u503c\u8868\u793a\u7535\u5e731，\u5c0f\u4e8e\u67d0\u4e00\u4e2a\u9608\u503c\u8868\u793a\u7535\u5e730.<\/span><\/span><\/span><\/p>\n

\u7535\u5e73\u6807\u51c6\u7684\u5206\u7c7b<\/span><\/span><\/span><\/h5>\n

\u5e38\u89c1<\/span><\/span>IO<\/span><\/span>\u63a5\u53e3\u53ef\u5206\u4e3a<\/span><\/span>\u5355\u7aef<\/span><\/span>IO<\/span><\/span>\u63a5\u53e3\u548c\u5dee\u5206<\/span><\/span>IO<\/span><\/span>\u63a5\u53e3<\/span><\/span>，\u8be6\u7ec6\u7684<\/span><\/span>IO<\/span><\/span>\u6807\u51c6\u53c2\u89c1\u4e0b\u56fe\u3002\u5355\u7aef<\/span><\/span>IO<\/span><\/span>\u63a5\u53e3\u548c\u5dee\u5206<\/span><\/span>IO<\/span><\/span>\u63a5\u53e3\u5747\u6ee1\u8db3\u9ad8\u901f\u63a5\u53e3\u4f20\u8f93，\u533a\u522b\u5728\u4e8e\u5e94\u7528\u573a\u5408\u4e0d\u540c\u3002<\/span><\/span><\/span><\/span><\/span><\/p>\n

\n

\"\"<\/p>\n

\u4e0b\u9762\u5177\u4f53\u4ecb\u7ecd\u4e00\u4e0bFPGA\u7684\u5404\u4e2a\u7535\u5e73\u6807\u51c6：<\/span><\/span><\/span><\/p>\n

TTL<\/span><\/span><\/span><\/h4>\n

TTL\u662fTransistor-Transistor Logic\u7684\u82f1\u6587\u7f29\u5199，\u4ece\u5176\u547d\u540d\u5c31\u53ef\u4ee5\u770b\u51fa，\u8fd9\u79cd\u63a5\u53e3\u7535\u5e73\u6807\u51c6\u7684\u521d\u8877\u662f\u7528\u4e8e\u57fa\u4e8e\u4e09\u6781\u7ba1\u7ed3\u6784\u7684\u6570\u5b57\u7cfb\u7edf\u4e4b\u95f4\u7684\u3002<\/span><\/span><\/span><\/p>\n

\u5de5\u4f5c\u4e8eTTL\u63a5\u53e3\u6807\u51c6\u4e0b\u7684\u6570\u5b57\u7535\u8def，\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u5e94\u4e3a5V，\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.4V，\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.5V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.0V，\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.8V；<\/span><\/span><\/span><\/p>\n

LVTTL<\/span><\/span><\/span><\/h4>\n

\u7531\u4e8e2.4V\u4e0e5V\u4e4b\u95f4\u8fd8\u6709\u5f88\u5927\u7a7a\u95f4，\u8fd9\u5bf9\u6539\u5584\u566a\u58f0\u5e72\u6270\u5e76\u6ca1\u6709\u4ec0\u4e48\u660e\u663e\u7684\u597d\u5904，\u800c\u4e14\u8fd8\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u529f\u8017，\u5e76\u4e14\u7531\u4e8e\u6570\u5b57\u72b6\u60011\u30010\u4e4b\u95f4\u7535\u5e73\u76f8\u5dee\u8f83\u5927，\u8fd8\u4f1a\u5f71\u54cd\u5230\u6570\u5b57\u7535\u8def\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u56e0\u6b64\u540e\u6765\u5c31\u628aTTL\u7684\u7535\u538b\u8303\u56f4\u8fdb\u884c\u4e86\u4e00\u4e9b\u538b\u7f29，\u4ece\u800c\u5f62\u6210\u4e86LVTTL\u2014\u2014Low Voltage Transistor-Transistor Logic，\u4e5f\u5373\u4f4e\u538bTTL\u7535\u5e73\u6807\u51c6\u3002\u4ee5\u4e0b\u4ecb\u7ecd\u4e24\u79cd\u76ee\u524d\u5e38\u7528\u7684LVTTL\u6807\u51c6：<\/span><\/span><\/span><\/p>\n

LVTTL3V3<\/span><\/span><\/span><\/h5>\n

LVTTL3V3\u7684\u610f\u601d，\u5373\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3a3.3V，\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.4V，\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.4V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.0V，\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.8V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u6bd4\u8f93\u51fa\u3001\u8f93\u5165\u7aef\u7684\u7535\u538b\u8981\u6c42\u53ef\u77e5，\u4e3a\u4e86\u4fdd\u8bc1\u53cc\u9600\u503c\u5224\u5b9a\u7684\u7a33\u5b9a\u6027\u548c\u6297\u566a\u6027，\u8f93\u51fa\u7aef\u7684\u7535\u538b\u8981\u6c42\u4ecd\u6bd4\u8f93\u5165\u7aef\u7684\u53cc\u9600\u503c\u5224\u5b9a\u6807\u51c6\u8981\u4e25\u683c，\u8fd9\u70b9\u5bf9\u4e8e\u6240\u6709\u7684\u6570\u5b57\u7cfb\u7edf\u63a5\u53e3\u6807\u51c6\u662f\u4e00\u6837\u7684，\u4ee5\u540e\u4e0d\u518d\u8d58\u8ff0\u3002<\/span><\/span><\/span><\/p>\n

LVTTL2V5<\/span><\/span><\/span><\/h5>\n

LVTTL2V5\u7684\u610f\u601d，\u5373\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3a2.5V，\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.0V，\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.2V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e1.7V，\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.7V<\/span><\/span><\/span><\/p>\n

CMOS<\/span><\/span><\/span><\/h4>\n

CMOS\u662fComplementary Metal Oxide Semiconductor\u7684\u82f1\u6587\u7f29\u5199，\u4ece\u5176\u547d\u540d\u5c31\u53ef\u4ee5\u770b\u51fa，\u8fd9\u79cd\u63a5\u53e3\u7535\u5e73\u6807\u51c6\u7684\u521d\u8877\u662f\u7528\u4e8e\u57fa\u4e8eNMOS\u3001PMOS\u7ec4\u6210\u7684MOS\u7ba1\u7ed3\u6784\u7684\u6570\u5b57\u7cfb\u7edf\u4e4b\u95f4\u7684\u3002<\/span><\/span><\/span><\/p>\n

\u5de5\u4f5c\u4e8eCMOS\u63a5\u53e3\u6807\u51c6\u4e0b\u7684\u6570\u5b57\u7535\u8def，\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3a5V，\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e4.45V，\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.5V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e3.5V，\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e1.5V\u3002<\/span><\/span><\/span><\/p>\n

CMOS\u4e0eTTL\u63a5\u53e3\u76f8\u6bd4，\u6709\u4e86\u66f4\u5927\u7684\u566a\u58f0\u5bb9\u9650，\u5e76\u4e14\u5176\u8f93\u5165\u963b\u6297\u4e5f\u8fdc\u5927\u4e8eTTL\u8f93\u5165\u963b\u6297\u3002<\/span><\/span><\/span><\/p>\n

\n

LVCOMS<\/span><\/span><\/span><\/h5>\n

\u540cTTL\u4e00\u6837，\u9274\u4e8e\u529f\u8017\u548c\u54cd\u5e94\u901f\u5ea6\u7684\u8003\u8651，CMOS\u4e5f\u540c\u6837\u884d\u751f\u51fa\u4e86LVCMOS\u63a5\u53e3\u6807\u51c6，\u5e76\u4e14\u7531\u4e8eMOS\u7ba1\u76f8\u5bf9\u4e8e\u4e09\u6781\u7ba1\u7684\u5bfc\u901a\u95e8\u9650\u66f4\u52a0\u4f4e，\u56e0\u6b64LVCMOS\u6bd4LVTTL\u66f4\u5bb9\u6613\u4f7f\u7528\u8f83\u4f4e\u7684\u7535\u538b\u8fdb\u884c\u901a\u4fe1\u3002\u4ee5\u4e0b\u4ecb\u7ecd\u51e0\u79cd\u76ee\u524d\u5e38\u7528\u7684LVTTL\u6807\u51c6：<\/span><\/span><\/span><\/p>\n

\n

LVCOMS33<\/span><\/span><\/span><\/h5>\n

LVCMOS3V3\u7684\u610f\u601d，\u5373\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3a3.3V，\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e3.2V，\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.4V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.0V，\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.7V\u3002<\/span><\/span><\/span><\/p>\n

LVCOMS25<\/span><\/span><\/span><\/h5>\n

LVCMOS2V5\u7684\u610f\u601d，\u5373\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3a2.5V，\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e2.0V，\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.4V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e1.7V，\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.7V\u3002<\/span><\/span><\/span><\/p>\n

LVCOMS18<\/span><\/span><\/span><\/h5>\n

LVCMOS1V8\u7684\u610f\u601d，\u5373\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3aVCC=1.8V，\u5f53\u7136\u8fd9\u662f\u6709\u4e00\u5b9a\u5bb9\u5fcd\u5ea6\u7684，\u4e0d\u8fc7\u4e0e\u4e4b\u524d\u4ecb\u7ecd\u7684\u7535\u5e73\u6807\u51c6\u4e0d\u540c，\u8fd9\u4e2a\u5bb9\u5fcd\u5ea6\u4f1a\u5f71\u54cd\u5b83\u7684\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5，\u4ecb\u7ecd\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8eVCC-0.45V（\u82e5VCC\u7cbe\u786e\u7b49\u4e8e1.8V，\u5219\u4e3a1.35V），\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.45V；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e0.65\u500d\u7684VCC（\u82e5VCC\u7cbe\u786e\u7b49\u4e8e1.8V，\u5219\u4e3a1.17V），\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.35\u500d\u7684VCC（\u82e5VCC\u7cbe\u786e\u7b49\u4e8e1.8V，\u5219\u4e3a0.63V）\u3002<\/span><\/span><\/span><\/p>\n

LVCOMS15<\/span><\/span><\/span><\/h5>\n

LVCMOS1V5\u7684\u610f\u601d，\u5373\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3aVCC=1.5V，\u5b83\u7684\u5bb9\u5fcd\u5ea6\u4e5f\u4f1a\u5f71\u54cd\u5230\u5176\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5，\u4ecb\u7ecd\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，LVCMOS1V5\u6ca1\u6709\u660e\u786e\u7684\u8981\u6c42，\u4f46\u662f\u80af\u5b9a\u662f\u72b6\u60011\u8d8a\u63a5\u8fd1VCC\u8d8a\u597d，\u72b6\u60010\u8d8a\u63a5\u8fd10V\u8d8a\u597d；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e0.65\u500d\u7684VCC（\u82e5VCC\u7cbe\u786e\u7b49\u4e8e1.5V，\u5219\u4e3a0.975V），\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.35\u500d\u7684VCC（\u82e5VCC\u7cbe\u786e\u7b49\u4e8e1.5V，\u5219\u4e3a0.525V）\u3002<\/span><\/span><\/span><\/p>\n

LVCOMS12<\/span><\/span><\/span><\/h5>\n

LVCMOS1V2\u7684\u610f\u601d，\u5373\u5176\u5185\u90e8\u6709\u6e90\u5668\u4ef6\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3aVCC=1.2V，\u5b83\u7684\u5bb9\u5fcd\u5ea6\u4e5f\u4f1a\u5f71\u54cd\u5230\u5176\u8f93\u51fa\u3001\u8f93\u5165\u60c5\u51b5，\u4ecb\u7ecd\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u51fa\u7aef，LVCMOS1V2\u4e5f\u6ca1\u6709\u660e\u786e\u7684\u8981\u6c42，\u4f46\u662f\u80af\u5b9a\u662f\u72b6\u60011\u8d8a\u63a5\u8fd1VCC\u8d8a\u597d，\u72b6\u60010\u8d8a\u63a5\u8fd10V\u8d8a\u597d；<\/span><\/span><\/span><\/p>\n

\u5bf9\u4e8e\u8f93\u5165\u7aef，\u72b6\u60011\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5927\u4e8e\u7b49\u4e8e0.65\u500d\u7684VCC（\u82e5VCC\u7cbe\u786e\u7b49\u4e8e1.2V，\u5219\u4e3a0.78V），\u72b6\u60010\u7684\u5224\u5b9a\u8981\u6c42\u4e3a\u5c0f\u4e8e\u7b49\u4e8e0.35\u500d\u7684VCC（\u82e5VCC\u7cbe\u786e\u7b49\u4e8e1.2V，\u5219\u4e3a0.42V）\u3002<\/span><\/span><\/span><\/p>\n

LVDS<\/span><\/span><\/span><\/h4>\n

\u5dee\u5206\u4fe1\u53f7\u4ee5\u524d\u4ecb\u7ecd\u8fc7\u4e86，\u4e0d\u505a\u8be6\u7ec6\u4ecb\u7ecd\u3002\u5176\u7279\u6027\u5982\u4e0b：LVDS\u7684\u7535\u538b\u6446\u5e45\u4ec5\u6709350mV\u5de6\u53f3，\u7535\u6d41\u4e5f\u4ec5\u67093.5mA\u5de6\u53f3，\u800c\u4e14\u53c8\u662f\u5dee\u5206\u4f20\u8f93，\u56e0\u6b64\u5177\u6709\u9ad8\u901f\u3001\u8d85\u4f4e\u529f\u8017\u3001\u4f4e\u566a\u58f0\u548c\u4f4e\u6210\u672c\u7b49\u4f18\u826f\u7279\u6027\u3002<\/span><\/span><\/span><\/p>\n

RS232<\/span><\/span><\/span><\/h4>\n

RS232\u662f\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1aEIA（\u5168\u79f0\u4e3aElectronic Industry Association）\u5236\u5b9a\u7684\u4e00\u79cd\u4e32\u884c\u7269\u7406\u63a5\u53e3\u6807\u51c6\u3002RS\u662fRecommended Standard\u7684\u7f29\u5199，\u4e2d\u6587\u610f\u601d\u4e3a\u63a8\u8350\u6807\u51c6，232\u4e3a\u6807\u8bc6\u53f7\u3002RS232\u603b\u7ebf\u6807\u51c6\u5171\u8bbe\u670925\u6761\u4fe1\u53f7\u7ebf，\u8fd9\u91cc\u6211\u4eec\u4ec5\u8ba8\u8bba\u5176\u6570\u5b57\u7535\u5e73\u63a5\u53e3\u5224\u5b9a\u6807\u51c6\u3002<\/span><\/span><\/span><\/p>\n

RS232\u7684\u6807\u51c6\u7535\u6e90\u4f9b\u7ed9\u4e3a\u00b112V\u6216\u00b115V，\u72b6\u60011\u7684\u7535\u538b\u8981\u6c42\u4e3a-15V\u5230-3V\u4e4b\u95f4，\u72b6\u60010\u7684\u7535\u538b\u8981\u6c42\u4e3a3V\u523015V\u4e4b\u95f4\u3002<\/span><\/span><\/span><\/p>\n

RS485<\/span><\/span><\/span><\/h4>\n

RS485\u76f8\u5f53\u4e8eRS232\u7684\u5347\u7ea7\u7248，\u4e0eLVDS\u7c7b\u4f3c，RS485\u4e5f\u662f\u91c7\u7528\u5dee\u5206\u7684\u5f62\u5f0f\u6765\u4f20\u9012\u4fe1\u606f（\u4e0d\u8fc7RS485\u662f\u771f\u7684\u4f20\u4e86\u4e24\u8def\u7535\u538b\u4fe1\u53f7\u8fc7\u53bb），\u56e0\u6b64\u6297\u5e72\u6270\u6027\u8981\u4f18\u4e8eRS232\u3002\u8fd9\u91cc，\u6211\u4eec\u540c\u6837\u4ec5\u5173\u5fc3\u5176\u6570\u5b57\u7535\u5e73\u63a5\u53e3\u5224\u5b9a\u6807\u51c6\u3002<\/span><\/span><\/span><\/p>\n

RS485\u7684\u72b6\u60011，\u5176\u4e24\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u8981\u6c42\u4e3a2V\u52306V\u4e4b\u95f4；\u72b6\u60010，\u5176\u4e24\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u8981\u6c42\u4e3a-6V\u5230-2V\u4e4b\u95f4\u3002<\/span><\/span><\/span><\/p>\n

\u4e0d\u540c\u6807\u51c6\u4e4b\u95f4\u80fd\u5426\u6df7\u8fde？<\/span><\/span><\/span><\/h4>\n

\u6709\u65f6\u5019\u53d7\u9650\u4e8e\u4e24\u65b9\u7684\u4e00\u4e9b\u914d\u7f6e\u60c5\u51b5，\u53ef\u80fd\u5e76\u4e0d\u80fd\u627e\u51fa\u7edf\u4e00\u7684\u7535\u5e73\u6807\u51c6\u6765\u8fdb\u884c\u901a\u4fe1，\u90a3\u4e48\u6b64\u65f6，\u662f\u4e0d\u662f\u9664\u4e86\u8bbe\u8ba1\u63a5\u53e3\u8f6c\u6362\u7535\u8def\u677f\u4ee5\u5916\u5c31\u6ca1\u6709\u522b\u7684\u65b9\u6cd5\u4e86\u5462？\u5e76\u4e0d\u662f\u7684，\u5176\u5b9e，\u6709\u4e9b\u4e0d\u540c\u7684\u63a5\u53e3\u7535\u5e73\u6807\u51c6\u662f\u53ef\u4ee5\u517c\u5bb9\u7684\u3002<\/span><\/span><\/span><\/p>\n

\u9996\u5148\u5355\u7aef\u548c\u5dee\u5206\u662f\u4e0d\u53ef\u80fd\u517c\u5bb9\u7684，\u56e0\u4e3a\u4ece\u7269\u7406\u8fde\u7ebf\u4e0a\u5b83\u4eec\u5c31\u4e0d\u4e00\u6837\u3002\u4f46\u662f\u5bf9\u4e8e\u540c\u79cd\u7c7b\u7684\u63a5\u53e3，\u5982\u679cA\u7535\u5e73\u6807\u51c6\u7684\u8f93\u51fa\u7b26\u5408B\u7535\u5e73\u6807\u51c6\u7684\u8f93\u5165，\u90a3\u4e48\u5c31\u79f0A\u7684\u8f93\u51fa\u53ef\u9a71\u52a8B\u7684\u8f93\u5165，\u5982\u679c\u53cd\u4e4b\u4ea6\u7136，\u90a3\u4e48\u79f0A\u3001B\u4e24\u79cd\u7535\u5e73\u6807\u51c6\u53ef\u76f8\u4e92\u9a71\u52a8\u3002<\/span><\/span><\/span><\/p>\n

\u4f8b\u5982，CMOS\u7684\u8f93\u51fa\u662f\u53ef\u4ee5\u9a71\u52a8TTL\u8f93\u5165\u7684，\u4f46\u662f\u53cd\u4e4b\u5219\u4e0d\u884c，\u56e0\u4e3aTTL\u7684\u72b6\u60011\u8f93\u51fa\u4ec5\u4e3a\u5927\u4e8e\u7b49\u4e8e2.4V，\u5e76\u4e0d\u80fd\u8fbe\u5230CMOS\u5224\u51b3\u72b6\u60011\u6240\u9700\u8981\u7684\u5927\u4e8e\u7b49\u4e8e3.5V；\u4f46\u662fLVTTL3V3\u548cLVCMOS3V3\u5374\u53ef\u4ee5\u76f8\u4e92\u9a71\u52a8，\u56e0\u4e3a\u5b83\u4eec\u7684\u8f93\u51fa\u90fd\u80fd\u6ee1\u8db3\u5f7c\u6b64\u7684\u8f93\u5165\u5224\u5b9a\u8981\u6c42\u3002<\/span><\/span><\/span><\/p>\n

\u5982\u4f55\u5f97\u77e5FPGA\u4e0a\u9762\u7684\u5f15\u811a\u662f\u4e0a\u9762\u6807\u51c6<\/span><\/span><\/span><\/h4>\n

\u7535\u5e73\u6807\u51c6\u5206\u4e3a\u677f\u5b50\u5185\u90e8\u548c\u5916\u90e8\u7684\u62d3\u5c55\u3002\u9762\u5bf9\u82af\u7247\u5185\u90e8\u7684\u5f15\u811a，\u901a\u5e38\u6211\u4eec\u4f7f\u7528VIVADO\u7684TCL\u547d\u4ee4get_io_standards -of，\u5177\u4f53\u65b9\u6cd5\u5982\u4e0b\u56fe\u3002\u5f53\u6211\u4eec\u9762\u5bf9\u5916\u90e8\u7684\u62d3\u5c55\u5f15\u811a，\u901a\u5e38\u91c7\u7528\u67e5\u8be2\u8be5\u5916\u90e8\u62d3\u5c55\u7684\u7535\u5e73\u624b\u518c\u7684\u65b9\u5f0f\u6765\u8fdb\u884c\u3002<\/span><\/span><\/span><\/p>\n

\n

\"\"<\/p>\n

\u4ee5BANK117\u4e3a\u4f8b\u5b50，\u5176\u652f\u6301\u7684\u7535\u5e73\u6807\u51c6\u7ed3\u679c\u5982\u4e0b：<\/span><\/span><\/span><\/p>\n

\n

\"\"<\/p>\n

\u5206\u7c7b: FPGA\u57fa\u672c\u77e5\u8bc6\u5b66\u4e60<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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