{"id":442,"date":"2022-07-29T14:54:16","date_gmt":"2022-07-29T06:54:16","guid":{"rendered":"http:\/\/192.168.88.12\/?p=442"},"modified":"2023-05-24T16:26:16","modified_gmt":"2023-05-24T08:26:16","slug":"ba45f6750","status":"publish","type":"post","link":"http:\/\/www.anchip.cn\/?p=442","title":{"rendered":"BA45F6748 \u5e26 LCD & LED \u9a71\u52a8\u548c\u4e07\u5e74\u5386\u529f\u80fd CO\/\u71c3\u6c14\u63a2\u6d4b\u5668 Flash \u5355\u7247\u673a"},"content":{"rendered":"\n
\n
\u4ea7\u54c1\u7b80\u4ecb<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n\n\n\n

BA45F6748 \u662f\u4e00\u6b3e A\/D \u578b\u5177\u6709 8 \u4f4d\u9ad8\u6027\u80fd\u7cbe\u7b80\u6307\u4ee4\u96c6\u7684 Flash \u5355\u7247\u673a\uff0c\u5177\u6709\u5b8c\u5168\u96c6\u6210\u7684 LCD \u9a71\u52a8\u5668\u529f\u80fd\uff0c\u4e13\u95e8\u4e3a\u5e26 LCD\/LED \u663e\u793a\u548c\u4e07\u5e74\u5386\u7684 CO \/ \u71c3\u6c14\u63a2\u6d4b\u5668\u5e94\u7528\u800c\u8bbe\u8ba1\u3002<\/p>\n\n\n\n

\u5728\u5b58\u50a8\u5668\u7279\u6027\u65b9\u9762\uff0cFlash \u5b58\u50a8\u5668\u53ef\u591a\u6b21\u7f16\u7a0b\u7684\u7279\u6027\u7ed9\u7528\u6237\u63d0\u4f9b\u4e86\u8f83\u5927\u7684\u65b9\u4fbf\u3002\u6b64\u5916\u8fd8\u5305\u542b\u4e86\u4e00\u4e2a RAM \u6570\u636e\u5b58\u50a8\u5668\u548c\u4e00\u4e2a\u53ef\u7528\u4e8e\u5b58\u50a8\u5e8f\u53f7\u3001\u6821\u51c6\u6570\u636e\u7b49\u975e\u6613\u5931\u6027\u6570\u636e\u7684 True EEPROM \u5b58\u50a8\u5668\u3002<\/p>\n\n\n\n

\u5728\u6a21\u62df\u7279\u6027\u65b9\u9762\uff0c\u8be5\u5355\u7247\u673a\u5305\u542b\u4e00\u4e2a\u5e26\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u591a\u901a\u9053 A\/D \u8f6c\u6362\u5668\u548c\u4e00\u4e2a\u8fd0\u7b97\u653e\u5927\u5668\u3002\u53e6\u5916\u8fd8\u5e26\u6709\u591a\u4e2a\u4f7f\u7528\u7075\u6d3b\u7684\u5b9a\u65f6\u5668\u6a21\u5757\uff0c\u53ef\u63d0\u4f9b\u5b9a\u65f6\u529f\u80fd\u3001\u8109\u51b2\u4ea7\u751f\u529f\u80fd\u53ca PWM \u4ea7\u751f\u529f\u80fd\u3002\u5185\u5efa I2<\/sup>C\u3001SPI \u548c UART \u63a5\u53e3\uff0c\u4e3a\u8bbe\u8ba1\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6613\u4e0e\u5916\u90e8\u786c\u4ef6\u901a\u4fe1\u7684\u65b9\u5f0f\u3002\u5185\u7f6e\u7684 LDO \u529f\u80fd\u53ef\u4ea7\u751f\u591a\u79cd\u7535\u6e90\u7535\u538b\uff0c\u4ee5\u4f9b\u5185\u90e8\u7535\u8def\u6216\u8f93\u51fa\u5230\u5916\u90e8\u4f7f\u7528\u3002\u4fdd\u62a4\u529f\u80fd\u65b9\u9762\uff0c\u5305\u542b\u5185\u90e8\u770b\u95e8\u72d7\u5b9a\u65f6\u5668\u3001\u4f4e\u7535\u538b\u590d\u4f4d<\/p>\n\n\n\n

\u548c\u4f4e\u7535\u538b\u68c0\u6d4b\u7b49\u7279\u6027\uff0c\u5916\u52a0\u4f18\u79c0\u7684\u6297\u5e72\u6270\u548c ESD \u4fdd\u62a4\u6027\u80fd\uff0c\u786e\u4fdd\u5355\u7247\u673a\u5728\u6076\u52a3\u7684\u7535\u78c1\u5e72\u6270\u73af\u5883\u4e0b\u53ef\u9760\u5730\u8fd0\u884c\u3002<\/p>\n\n\n\n

\u8be5\u5355\u7247\u673a\u8fd8\u5305\u542b\u4e00\u4e2a\u4e32\u884c\u8ba1\u65f6\u5668\u7528\u4e8e\u4e07\u5e74\u5386\uff0c\u5176\u5305\u62ec\u79d2\u3001\u5206\u3001\u65f6\u3001\u661f\u671f\u3001\u65e5\u3001\u6708\u548c\u5e74\u7684\u4fe1\u606f\u3002\u5177\u6709\u6bcf\u4e2a\u6708\u591a\u5c11\u5929\u548c\u95f0\u5e74\u81ea\u52a8\u8c03\u6574\u80fd\u529b\u3002\u8be5\u4e07\u5e74\u5386\u4e13\u4e3a\u4f4e\u529f\u8017\u4ea7\u54c1\u800c\u8bbe\u8ba1\uff0c\u4e14\u5de5\u4f5c\u5728\u4e24\u79cd\u6a21\u5f0f\u4e0b\uff1a\u4e00\u4e2a\u662f 12 \u5c0f\u65f6\u6a21\u5f0f\uff0c\u5e26 AM\/PM \u663e\u793a\u5668\uff0c\u53e6\u4e00\u4e2a\u662f 24 \u5c0f\u65f6\u6a21\u5f0f\u3002<\/p>\n\n\n\n

\u4e07\u5e74\u5386\u5e94\u7528\u4e0a\uff0c\u53ef\u4f7f\u7528 IAP \u529f\u80fd\u7eaa\u5f55\u4e8b\u4ef6\u53d1\u751f\u7684\u65f6\u95f4\u4e8e Flash \u7a0b\u5e8f\u5b58\u50a8\u5668\u4e2d\uff0c\u82e5 Flash \u7a0b\u5e8f\u5b58\u50a8\u5668\u7a7a\u95f4\u4e0d\u8db3\uff0c\u518d\u5916\u6302 EEPROM \u6570\u636e\u5b58\u50a8\u5668\u3002\u8be5\u5355\u7247\u673a\u63d0\u4f9b\u4e86\u5185\u90e8\u9ad8\u901f\u548c\u4f4e\u901f\u632f\u8361\u5668\u529f\u80fd\u9009\u9879\uff0c\u8fd9\u4e24\u4e2a\u5185\u5efa\u7684\u7cfb\u7edf\u632f\u8361\u5668\u65e0\u9700\u5916\u56f4\u5143\u5668\u4ef6\u3002\u5176\u5728\u4e0d\u540c\u5de5\u4f5c\u6a21\u5f0f\u4e4b\u95f4\u52a8\u6001\u5207\u6362\u7684\u80fd\u529b\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4f18\u5316\u5355\u7247\u673a\u64cd\u4f5c\u548c\u51cf\u5c11\u529f\u8017\u7684\u624b\u6bb5\u3002<\/p>\n\n\n\n

\u5916\u52a0 I\/O \u4f7f\u7528\u7075\u6d3b\u548c\u65f6\u57fa\u529f\u80fd\u7b49\u5176\u5b83\u7279\u6027\uff0c\u4f7f\u8fd9\u6b3e\u5355\u7247\u673a\u53ef\u4ee5\u5f88\u597d\u5730\u5e94\u7528\u4e8e\u5e26\u663e\u793a\u5c4f\u548c\u4e07\u5e74\u5386\u7684 CO \/ \u71c3\u6c14\u63a2\u6d4b\u5668\u5e94\u7528\u4e2d\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n
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\u4ea7\u54c1\u7279\u6027<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n\n\n\n
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CPU\u7279\u6027<\/strong><\/p>\n\n\n\n

\u25cf \u5de5\u4f5c\u7535\u538b\uff1a<\/p>\n\n\n\n

\u2013 fSYS<\/sub>=2MHz\uff1a2.2V~5.5V<\/p>\n\n\n\n

\u2013 fSYS<\/sub>=4MHz\uff1a2.2V~5.5V<\/p>\n\n\n\n

\u2013 fSYS<\/sub>=8MHz\uff1a2.2V~5.5V<\/p>\n\n\n\n

\u25cf VDD<\/sub>=5V\uff0c\u7cfb\u7edf\u65f6\u949f\u4e3a 8MHz \u65f6\uff0c\u6307\u4ee4\u5468\u671f\u4e3a 0.5\u03bcs<\/p>\n\n\n\n

\u25cf \u6682\u505c\u548c\u5524\u9192\u529f\u80fd\uff0c\u4ee5\u964d\u4f4e\u529f\u8017<\/p>\n\n\n\n

\u25cf \u632f\u8361\u5668\u7c7b\u578b\uff1a<\/p>\n\n\n\n

\u2013 \u5185\u90e8\u9ad8\u901f 2\/4\/8MHz RC \u632f\u8361\u5668 \u2013 HIRC<\/p>\n\n\n\n

\u2013 \u5185\u90e8\u4f4e\u901f 32kHz RC \u632f\u8361\u5668 \u2013 LIRC<\/p>\n\n\n\n

\u25cf \u5b8c\u5168\u5185\u90e8\u96c6\u6210\u7684\u632f\u8361\u5668\uff0c\u65e0\u9700\u5916\u63a5\u5143\u5668\u4ef6<\/p>\n\n\n\n

\u25cf \u591a\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff1a\u5feb\u901f\u6a21\u5f0f\u3001\u4f4e\u901f\u6a21\u5f0f\u3001\u7a7a\u95f2\u6a21\u5f0f\u548c\u4f11\u7720\u6a21\u5f0f<\/p>\n\n\n\n

\u25cf \u6240\u6709\u6307\u4ee4\u90fd\u53ef\u5728 1~3 \u4e2a\u6307\u4ee4\u5468\u671f\u5185\u5b8c\u6210<\/p>\n\n\n\n

\u25cf \u67e5\u8868\u6307\u4ee4<\/p>\n\n\n\n

\u25cf 115 \u6761\u529f\u80fd\u5f3a\u5927\u7684\u6307\u4ee4\u7cfb\u7edf<\/p>\n\n\n\n

\u25cf 8 \u5c42\u786c\u4ef6\u5806\u6808<\/p>\n\n\n\n

\u25cf \u4f4d\u64cd\u4f5c\u6307\u4ee4<\/p>\n<\/div>\n\n\n\n

\n

\u5468\u8fb9\u7279\u6027<\/strong><\/p>\n\n\n\n

\u25cf Flash \u7a0b\u5e8f\u5b58\u50a8\u5668\uff1a4K\u00d716<\/p>\n\n\n\n

\u25cf RAM \u6570\u636e\u5b58\u50a8\u5668\uff1a256\u00d78<\/p>\n\n\n\n

\u25cf True EEPROM \u5b58\u50a8\u5668\uff1a128\u00d78<\/p>\n\n\n\n

\u25cf \u652f\u6301\u5728\u7ebf\u5e94\u7528\u7f16\u7a0b \u2013 IAP<\/p>\n\n\n\n

\u25cf \u770b\u95e8\u72d7\u5b9a\u65f6\u5668\u529f\u80fd<\/p>\n\n\n\n

\u25cf \u591a\u8fbe 31 \u4e2a\u53cc\u5411 I\/O \u53e3<\/p>\n\n\n\n

\u25cf \u53ef\u7f16\u7a0b 4 \u7ea7 I\/O \u53e3\u6e90\u7535\u6d41\uff0c\u7528\u4e8e LED \u9a71\u52a8<\/p>\n\n\n\n

\u25cf 2 \u4e2a\u4e0e I\/O \u53e3\u590d\u7528\u7684\u5916\u90e8\u4e2d\u65ad\u8f93\u5165<\/p>\n\n\n\n

\u25cf \u5185\u7f6e LDO \u529f\u80fd\uff0c\u63d0\u4f9b 2.2V\/2.5V\/3.0V \u56fa\u5b9a\u7535\u538b\u8f93\u51fa<\/p>\n\n\n\n

\u25cf CO \/ \u71c3\u6c14\u63a2\u6d4b\u5668 AFE \u2013 \u8fd0\u7b97\u653e\u5927\u5668<\/p>\n\n\n\n

\u25cf \u5e26\u5185\u90e8\u53c2\u8003\u7535\u538b VBGREF<\/sub> \u7684 8 \u901a\u9053 12-bit \u5206\u8fa8\u7387\u7684 A\/D \u8f6c\u6362\u5668<\/p>\n\n\n\n

\u25cf \u5e26\u5185\u90e8\u53c2\u8003\u7535\u538b\u7684\u6e29\u5ea6\u4f20\u611f\u5668\u529f\u80fd<\/p>\n\n\n\n

\u25cf \u591a\u4e2a\u5b9a\u65f6\u5668\u6a21\u5757\u7528\u4e8e\u65f6\u95f4\u6d4b\u91cf\u3001\u6355\u6349\u8f93\u5165\u3001\u6bd4\u8f83\u5339\u914d\u8f93\u51fa\u3001PWM \u8f93\u51fa\u53ca\u5355\u8109<\/p>\n\n\n\n

\u51b2\u8f93\u51fa<\/p>\n\n\n\n

\u25cf \u53cc\u65f6\u57fa\u529f\u80fd\uff0c\u7528\u4e8e\u4ea7\u751f\u56fa\u5b9a\u65f6\u95f4\u7684\u4e2d\u65ad\u4fe1\u53f7<\/p>\n\n\n\n

\u25cf \u901a\u7528\u4e32\u884c\u63a5\u53e3\u6a21\u5757 \u2013 USIM\uff0c\u7528\u4e8e SPI\u3001I2<\/sup>C \u6216 UART \u901a\u4fe1<\/p>\n\n\n\n

\u25cf \u4f4e\u7535\u538b\u590d\u4f4d\u529f\u80fd<\/p>\n\n\n\n

\u25cf \u4f4e\u7535\u538b\u68c0\u6d4b\u529f\u80fd<\/p>\n\n\n\n

\u25cf \u5c01\u88c5\u7c7b\u578b\uff1a48-pin LQFP<\/p>\n<\/div>\n<\/div>\n\n\n\n

\n
LCD\u9a71\u52a8\u529f\u80fd<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n\n\n\n
\n
\n

\u25cf SEG \u00d7 COM\uff1a12\u00d74<\/p>\n\n\n\n

\u25cf \u5360\u7a7a\u6bd4\u7c7b\u578b\uff1a1\/4 Duty<\/p>\n\n\n\n

\u25cf \u504f\u538b\u7535\u5e73\uff1a1\/3 Bias<\/p>\n<\/div>\n\n\n\n

\n

\u25cf \u504f\u538b\u7c7b\u578b\uff1aR \u578b\u6216 C \u578b<\/p>\n\n\n\n

\u25cf \u6ce2\u5f62\u7c7b\u578b\uff1aA \u578b\u6216 B \u578b<\/p>\n<\/div>\n<\/div>\n\n\n\n

\n
\u4e07\u5e74\u5386\u7279\u6027<\/a><\/div>\n<\/div>\n\n\n\n
<\/div>\n\n\n\n
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\u25cf \u5de5\u4f5c\u7535\u538b\uff1a2.2V~5.5V<\/p>\n\n\n\n

\u25cf \u6700\u5927\u8f93\u5165\u4e32\u884c\u65f6\u949f\uff1a2MHz @ VCC<\/sub>=5V<\/p>\n\n\n\n

\u25cf \u5de5\u4f5c\u7535\u6d41\uff1a<\/p>\n\n\n\n

\u2013 \u5c0f\u4e8e 0.7\u00b5A @ 3V<\/p>\n\n\n\n

\u2013 \u5c0f\u4e8e 1.0\u00b5A @ 5V<\/p>\n<\/div>\n\n\n\n

\n

\u25cf TTL \u517c\u5bb9\uff1a<\/p>\n\n\n\n

\u2013 VIH<\/sub>\uff1a2.0V ~ VCC<\/sub>+0.3V @ VCC<\/sub>=5V<\/p>\n\n\n\n

\u2013 VIL<\/sub>\uff1a0.3V ~ +0.8V @ VCC<\/sub>=5V<\/p>\n\n\n\n

\u25cf \u4e24\u79cd\u6570\u636e\u4f20\u8f93\u6a21\u5f0f\uff1a\u5355\u5b57\u8282\u6216\u8109\u51b2\u6a21\u5f0f<\/p>\n\n\n\n

\u25cf \u4e32\u884c I\/O \u4f20\u8f93<\/p>\n\n\n\n

\u25cf \u6240\u6709\u5bc4\u5b58\u5668\u4ee5 BCD \u683c\u5f0f\u5b58\u50a8<\/p>\n<\/div>\n<\/div>\n\n\n\n

\n
\u82af\u7247\u6846\u56fe<\/a><\/div>\n<\/div>\n\n\n\n
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\"\"<\/figure><\/div>\n\n\n
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\u4ea7\u54c1\u9009\u578b\u8868<\/a><\/div>\n<\/div>\n\n\n\n
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\"\"<\/figure>\n\n\n\n
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\u6280\u672f\u6587\u6863<\/a><\/div>\n<\/div>\n\n\n\n
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simBA45F6748v130<\/a>\u4e0b\u8f7d<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"

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