{"id":2516,"date":"2012-08-24T00:15:45","date_gmt":"2012-08-23T16:15:45","guid":{"rendered":"http:\/\/blog.dword1511.info\/?p=2516"},"modified":"2012-08-24T00:15:45","modified_gmt":"2012-08-23T16:15:45","slug":"%ef%bc%88%e6%9b%be%e7%bb%8f%ef%bc%89%e6%88%91%e6%98%af%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a5%bd%e5%bf%ab%e8%af%91%e5%85%b8-a830-%e7%9a%84","status":"publish","type":"post","link":"http:\/\/blog.dword1511.info\/?p=2516","title":{"rendered":"\uff08\u66fe\u7ecf\uff09\u6211\u662f\u5982\u4f55\u4fee\u597d\u5feb\u8bd1\u5178 A830 \u7684"},"content":{"rendered":"<p>\u5f53\u5e74 \uffe5800 \u4e70\u7684\u5feb\u6613\u5178 A830 \u7535\u5b50\u8bcd\u5178\uff0c\u4e70\u56de\u6765\u4e4b\u540e\u4e0d\u65f6\u5728\u5f00\u673a\u65f6\u51fa\u73b0\u6b7b\u673a\u548c\u65f6\u95f4\u4e22\u5931\u7684\u73b0\u8c61\uff0c\u5728\u62c6\u673a\u540e\u53d8\u5f97\u66f4\u52a0\u9891\u7e41\u4e86\u3002\u4e8e\u662f\u5c1d\u8bd5\u4fee\u7406\u4e4b\u3002<\/p>\n<p><!--more--><\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030118.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2518\" title=\"P1030118\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030118-400x300.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030118-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030118-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030118.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u77e5\u5df1\u77e5\u5f7c\u65b9\u80fd\u767e\u6218\u4e0d\u6b86\u3002\u5148\u770b\u770b\u8fd9\u73a9\u610f\u662f\u548b\u56de\u4e8b\u518d\u8bf4\u3002\u4e3b\u677f\u4e0a\u4e3b\u8981\u6709\u4ee5\u4e0b\u6bd4\u8f83\u91cd\u8981\u7684\u90e8\u4ef6\uff1a<\/p>\n<ul>\n<li>CoB \u5c01\u88c5\u7684 SoC \uff0c\u636e\u5b98\u65b9\u79f0\u662f 32 \u4f4d\u7684 CPU \uff0c\u4f46\u662f\u90a3\u4e2a\u65f6\u5019\u8c01\u5728\u505a 32 \u4f4d\u7684\u725b\u5c4e\u5462\uff1f\u82af\u90a6\u5fae\uff1f<\/li>\n<li>AKM Semiconductor \u7684 AK4642 \u97f3\u9891\u89e3\u7801\u82af\u7247\uff0c\u8d1f\u8d23\u8bdd\u7b52\u3001\u8033\u673a\u548c\u626c\u58f0\u5668\uff0c\u5185\u7f6e\u7acb\u4f53\u58f0\u8033\u653e\u548c\u5355\u58f0\u9053 BTL \u529f\u653e\u3002<\/li>\n<li>\u6d77\u529b\u58eb\u7684 HY57V641620FTP-7 \u5185\u5b58\u9897\u7c92\uff0c1M \u00d7 4Bank \u00d7 16Bit SDRAM @ 143MHz \uff0c\u5bb9\u91cf 8MBytes \u3002<\/li>\n<li>SST \u7684 SST39VF800A CMOS MPF \uff0c\u8ddf NOR Flash \u7c7b\u4f3c\u662f\u7528\u6765\u5b58\u50a8\u56fa\u4ef6\u7684\uff0c\u5bb9\u91cf 1MBytes \u3002<\/li>\n<li>\u4e09\u661f K9G8G08U0M \u95ea\u5b58\u548c InComm IN369AB SDHC \u63a7\u5236\u5668\u7ec4\u6210\u7684 1GB \u677f\u8f7d SDHC \u5361\uff0c\u7528\u4e8e\u50a8\u5b58\u5b57\u5178\u548c\u7528\u6237\u6570\u636e\u3002<\/li>\n<li>\u4e3a\u4e3b\u63a7\u63d0\u63a7\u65f6\u949f\u7684 48.0MHz \u9676\u74f7\u632f\u8361\u5668\u4ee5\u53ca\u4f4e\u9891\u7b52\u5f62\u77f3\u82f1\u6676\u4f53\u3002<\/li>\n<li>\u4e0a\u9762\u8986\u76d6\u6709\u63a5\u5730\u94dc\u7b94\uff08\u826f\u5fc3\u554a\uff09\u7684 3.5mm \u8033\u673a\u548c MiniUSB \u63a5\u53e3\uff0c\u65c1\u8fb9\u6709\u4e00\u53ea\u53ef\u63a7\u7845\uff0c\u4ee5\u53ca 500mA \u81ea\u6062\u590d\u805a\u5408\u7269\u4fdd\u9669\u3002<\/li>\n<li>\u7591\u4f3c\u53f0\u6e7e\u805a\u529b\u7535\u5b50\u751f\u4ea7\u7684 AE383450P8H \u9502\u805a\u5408\u7269\u7535\u6c60\uff0c\u5178\u578b\u5bb9\u91cf 800mAh \uff0c\u6700\u4f4e 750mAh \uff0c\u8d34\u7eb8\u5e94\u8be5\u662f\u5feb\u8bd1\u5178\u81ea\u4e2a\u513f\u8d34\u4e0a\u53bb\u7684\u3002<\/li>\n<li>\u8fde\u63a5\u5c4f\u5e55\u7684\u6392\u7ebf\u4ee5\u53ca\u6392\u963b\uff08\u8fd9\u6392\u7ebf\u8d28\u91cf\u4e0d\u9519\uff0c\u4e0d\u4f1a\u63a5\u89e6\u4e0d\u826f\uff09\u3002<\/li>\n<li>\u4e00\u4e9b\u7535\u6e90\u7ba1\u7406\u82af\u7247\uff0c\u4ee5\u53ca SS14 \u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u548c\u5176\u5b83\u4e8c\u6781\u7ba1\u3001\u7535\u611f\u3001MLCC \u3001\u8d34\u7247\u7535\u963b \u3001\u8d34\u7247\u4e09\u6781\u7ba1\u7b49\u3002<\/li>\n<\/ul>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030179.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2520\" title=\"P1030179\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030179-400x300.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030179-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030179-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030179.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u663e\u793a\u65b9\u9762\uff0cA830 \u91c7\u7528\u4e86 3.8 \u82f1\u5bf8\u7684 QVGA \u7070\u9636\u5c4f\uff0c\u770b\u7740\u6bd4\u8f83\u8212\u670d\uff0c\u4f46\u662f\u5f53\u65f6\u540c\u7b49\u4ef7\u4f4d\u5df2\u7ecf\u6709 QVGA \u5f69\u8272 TFT-LCD \u7684\u673a\u578b\u4e86\u3002\u5927\u6982\u4ef7\u683c\u4e3b\u8981\u5728\u51e0\u4e2a\u8bcd\u5178\u7684\u6388\u6743\u4e0a\u5427\u3002\u5c4f\u5e55\u4e0a\u4e00\u5171\u6709\u4e09\u5757 COG \u82af\u7247\u3002<\/p>\n<p>\u5de6\u8fb9\u7684\u7535\u8def\u4e3b\u8981\u662f\u4e00\u53ea 324 \u8fd0\u653e\uff0c\u8fd8\u6709\u4e00\u53ea\u5e26\u7740 100\u03bcH \u8272\u7801\u78c1\u73e0\u7535\u611f\u8ddf S4 \u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684 PMIC \uff0c\u5e94\u8be5\u8ddf LCD \u9a71\u52a8\u7535\u8def\u7684\u8d1f\u538b\u4ea7\u751f\u6709\u5173\u5427\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030178.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2519\" title=\"P1030178\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030178-400x300.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030178-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030178-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030178.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u5c4f\u5e55\u80cc\u9762\u9664\u4e86\u6392\u7ebf\u5c31\u662f\u6d4b\u8bd5\u70b9\u4e86\uff0c\u4e09\u5757 CoG \u90fd\u662f\u5e7f\u4e1c\u4fe1\u5229\u7684\u4ea7\u54c1\uff0c\u5b9a\u5236\u7684\u6a21\u5757\u578b\u53f7\u4e3a\u00a0TSF1G0040 \uff0c320 \u00d7 240 \u00d7 4Bit \uff0c\u9a71\u52a8\u82af\u7247\u662f NT7701 \u8ddf NT7702 \u3002<\/p>\n<p>\u5f53\u7136\uff0c\u8fd9\u4e9b\u90fd\u4e0d\u662f\u91cd\u70b9\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/1-new.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2523\" title=\"1-new\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/1-new-400x147.jpg\" alt=\"\" width=\"400\" height=\"147\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/1-new-400x147.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/1-new-1024x378.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/1-new.jpg 1072w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u4e0a\u9762\u662f\u4e3b\u677f\u7684\u4e00\u90e8\u5206\uff0c\u548c\u672c\u6545\u4e8b\u6709\u5173\u3002<\/p>\n<p>\u4e00\u5f00\u59cb\u6211\u6ce8\u610f\u5230\u4e86\u5185\u5b58\u9897\u7c92\u7684 Vss \u811a\u4e0a\u8fde\u7740\u7684\u4e00\u53ea MLCC \uff0c\u5b83\u5de6\u8fb9\u7684\u710a\u70b9\u5df2\u7ecf\u56e0\u4e3a\u8fd0\u8f93\u8fc7\u7a0b\u4e2d\u7684\u649e\u51fb\u800c\u635f\u574f\u4e86\uff0c\u7f6a\u9b41\u7978\u9996\u662f\u5e95\u58f3\u4e0a\u9762\u7684\u914d\u91cd\uff0c\u867d\u7136\u5378\u4e0b\u914d\u91cd\u4f1a\u5bfc\u81f4 LCD \u5f00\u5230\u4e00\u5b9a\u89d2\u5ea6\u540e\u6574\u673a\u7ffb\u5012\uff0c\u4f46\u662f\u6211\u540e\u6765\u8fd8\u662f\u628a\u914d\u91cd\u7ed9\u53bb\u4e86\uff0c\u514d\u5f97\u9020\u6210\u66f4\u591a\u7684\u9ebb\u70e6\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/2-new.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2524\" title=\"2-new\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/2-new-325x400.png\" alt=\"\" width=\"325\" height=\"400\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/2-new-325x400.png 325w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/2-new.png 702w\" sizes=\"(max-width: 325px) 100vw, 325px\" \/><\/a><\/p>\n<p>\u4e0a\u56fe\u4e3a\u793a\u610f\u56fe\uff0c\u4f46\u662f\u540e\u6765\u6211\u53d1\u73b0\u8fd9\u53ea MLCC \u8ddf\u5f00\u673a\u8fc7\u7a0b\u4e2d\u6b7b\u673a\u6ca1\u591a\u5927\u5173\u7cfb\uff0c\u56e0\u4e3a\u66f4\u6362\u710a\u597d\u4e86\u4ee5\u540e\u7167\u6b7b\u4e0d\u8bef\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/3-new.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2525\" title=\"3-new\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/3-new-400x207.jpg\" alt=\"\" width=\"400\" height=\"207\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/3-new-400x207.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/3-new.jpg 602w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u63a5\u7740\uff0c\u6211\u53d1\u73b0\u8d70\u65f6\u7528\u7684\u4f4e\u9891\u6676\u4f53\u662f\u548c\u4e3b\u63a7\u76f4\u63a5\u76f8\u8fde\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4 RTC \u662f\u5185\u7f6e\u5728\u4e3b\u63a7\u4e2d\u7684\uff0c\u5982\u4e0a\u56fe\u3002\u6b7b\u673a\u4ee5\u540e\u4f1a\u4e22\u65f6\u95f4\uff0c\u8bf4\u660e\u6b7b\u673a\u8ddf\u8fd9\u4e2a SoC \u7684\u67d0\u4e9b\u5168\u5c40\u6027\u7684\u56e0\u7d20\u6709\u5173\uff08\u56e0\u4e3a RTC \u8fd9\u4e48\u8010\u64cd\u7684\u73a9\u610f\u90fd\u88ab\u5f71\u54cd\u5230\u4e86\uff09\u3002CoB \u5c01\u88c5\u5929\u7136\u7684\u5bff\u547d\u4e0d\u884c\uff0c\u6f0f\u6c14\u4ee5\u540e\u51fa\u95ee\u9898\u662f\u5fc5\u7136\u7684\uff0c\u4e0d\u8fc7\u8fd9\u91cc\u6211\u4eec\u53ea\u80fd\u5e0c\u671b\u4e0d\u662f\u8fd9\u5757\u725b\u5c4e\u7684\u5c01\u88c5\u51fa\u95ee\u9898\u4e86\uff0c\u56e0\u4e3a\u90a3\u6837\u5c31\u4e00\u70b9\u529e\u6cd5\u4e5f\u6ca1\u6709\u4e86\u3002<\/p>\n<p>\u90a3\u65c1\u8fb9\u4e00\u5806\u5c0f\u82af\u7247\u53c8\u662f\u5e72\u5565\u7684\u5462\uff1f\u7535\u5bb9\u7535\u963b\u4e0d\u5947\u602a\uff0c\u4f46\u662f\u7535\u611f\u548c\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u5012\u662f\u4e0d\u591a\u89c1\u2014\u2014\u8fd9\u8bf4\u660e\u8fd9\u7968\u4e1c\u897f\u662f PMIC \u3002\u5176\u4e2d\u6709\u4e00\u4e2a TSOP-8 \uff08\u5b9e\u9645\u4e0a\u5e94\u8be5\u662f MSOP-8 \uff09\u5c01\u88c5\u7684\u5c0f\u82af\u7247\u4e0a\u9762\u5370\u7740 1555 \uff0c\u53c8\u548c\u4e00\u7968\u7535\u611f\u7535\u5bb9\u4e8c\u6781\u7ba1\u5446\u5728\u4e00\u8d77\uff0c\u6240\u4ee5\u4e00\u5b9a\u662f\u4e2a\u5f00\u5173\u5f0f DC-DC \u53d8\u6362\u5668\u9519\u4e0d\u4e86\u3002\u540e\u6765\u597d\u4e0d\u5bb9\u6613\u641c\u5230\u4e86\u8fd9\u5757\u82af\u7247\u7684\u5b8c\u6574\u578b\u53f7\u4e3a AIC1555 \uff0c\u5e26\u7740\u5927\u5927\u7684 26\u03bcH \u7684\u5c01\u95ed\u7535\u611f\uff0c\u4f30\u8ba1\u662f\u7ed9\u4e3b\u63a7\u4f9b\u7535\u7684\u3002\u65c1\u8fb9\u6709\u4e2a\u6807\u7740\u201c ED33P \u201d\u7684 SOT23-5 \u5c01\u88c5\u7684\u5c0f\u82af\u7247\u5b9e\u9645\u4e0a\u662f AIC1731 \uff0c\u4e00\u53ea 3.3V\u00b12% 300mA \u7684 LDO \uff0c\u4e0d\u8fc7\u8fd9\u91cc\u6211\u4eec\u4e0d\u5173\u5fc3\u5b83\u3002AIC1555 \u7684\u7279\u6027\u6709\uff1a<\/p>\n<ul>\n<li>PWM DC-DC \u964d\u538b\uff0c\u4f4e\u566a\u58f0\uff0c\u540c\u6b65\u6574\u6d41\uff1b<\/li>\n<li>\u6548\u7387\u53ef\u8fbe 95% \u4ee5\u4e0a\uff0c\u6700\u5927\u8f93\u51fa\u7535\u6d41 700mA \u4ee5\u4e0a\uff1b<\/li>\n<li>\u8f93\u5165\u7535\u538b\u8303\u56f4\uff1a2.5V &#8211; 6.5V \uff0c\u8f93\u51fa\u7535\u538b\u8303\u56f4\uff1a 0.75V &#8211; \u8f93\u5165\u7535\u538b\uff1b<\/li>\n<li>500kHz \u56fa\u5b9a\u9891\u7387\u6216\u8005\u53ef\u53d8\u9891\u7387\u64cd\u4f5c\uff0c\u540c\u6b65 PWM \uff1b<\/li>\n<li>\u4f7f\u7528\u5916\u90e8\u5f00\u5173\u65f6\u9891\u7387\u53ef\u9ad8\u8fbe 1MHz \uff1b<\/li>\n<li>\u8fc7\u6d41\u4fdd\u62a4\uff0c\u5360\u7a7a\u6bd4\u53ef\u8fbe 100% \uff1b<\/li>\n<li>\u5185\u90e8 0.75V \u7535\u538b\u57fa\u51c6\u7cbe\u5ea6\u9ad8\u8fbe \u00b12% \uff1b<\/li>\n<li>\u56db\u79cd\u64cd\u4f5c\u6a21\u5f0f\uff1a\u7eaf PWM \/ \u5916\u90e8\u540c\u6b65 PWM \/ PWM &#8211; PFM \u6df7\u5408 \/ \u5173\u65ad\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u5c31\u8d44\u6599\u6765\u770b\uff0c\u8fd9\u662f\u4e2a\u4e0d\u9519\u7684\u82af\u7247\u3002\u5f53\u7136\uff0c\u9c9c\u82b1\u662f\u53ef\u4ee5\u63d2\u725b\u7caa\u7684\u3002<\/p>\n<p>\u7535\u6e90\u7ba1\u7406\u82af\u7247\u79bb\u4e3b\u63a7\u8f83\u8fdc\uff08 PCB \u5e03\u7ebf\u8bbe\u8ba1\u7f3a\u9677\uff09\uff0c\u518d\u52a0\u4e0a\u7535\u538b\u8f83\u4f4e\uff08\u7ecf\u8ba1\u7b97\u8bbe\u5b9a\u7684\u7535\u538b\u4e3a 1.8V \uff09\uff0c\u5e76\u4e14\u7535\u538b\u53cd\u9988\u7ebf\u8def\u4e0a\u7684\u7535\u963b\u662f\u975e\u7cbe\u5bc6\u7535\u963b\uff0c\u8bef\u5dee\u53ef\u8fbe10%\uff0c\u518d\u52a0\u4e0a\u4e3a\u4e86\u7701\u7535\u800c\u628a\u7535\u538b\u8c03\u5f97\u5c3d\u91cf\u4f4e\uff0c\u4e3b\u63a7\u56e0\u4e3a\u7535\u538b\u8fc7\u4f4e\u800c\u51fa\u73b0\u9519\u8bef\u662f\u96be\u514d\u7684\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/4-new.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2526\" title=\"4-new\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/4-new-400x229.png\" alt=\"\" width=\"400\" height=\"229\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/4-new-400x229.png 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/4-new.png 438w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u627e\u5230\u4e86\u75c5\u56e0\u5c31\u5f00\u59cb\u52a8\u624b\u5427\u3002\u4e00\u822c\u7684\u7535\u6e90\u7ba1\u7406\u82af\u7247\u90fd\u7528\u4e24\u53ea\u5916\u90e8\u7535\u963b\u6765\u8bbe\u5b9a\u8f93\u51fa\u7535\u538b\uff0c\u5176\u4e2d\u4e00\u53ea\u8fde\u7740\u7535\u538b\u8f93\u51fa\uff0c\u53e6\u4e00\u53ea\u4e00\u7aef\u63a5\u5730\uff0c\u5982\u4e0a\u56fe\u3002\u53ea\u8981\u628a\u56fe\u4e2d\u7684 R2 \u9002\u5f53\u51cf\u5c0f\uff08\u6216\u8005\u589e\u5927 R1 \uff0c\u4f46\u662f\u589e\u5927\u8d34\u7247\u7535\u963b\u7684\u963b\u503c\u540c\u65f6\u52a8\u4f5c\u53c8\u4e0d\u80fd\u592a\u5927\uff0c\u6709\u70b9\u4e0d\u597d\u64cd\u4f5c\uff09\uff0cV<sub>OUT<\/sub> \u5c31\u4f1a\u5347\u9ad8\u3002\u786e\u5207\u7684\u8bf4\uff0cV<sub>OUT<\/sub> = V<sub>FB<\/sub>(1 + <sup>R2<\/sup>\/<sub>R1<\/sub>) \u3002\u5bf9\u4e8e AIC1555 \uff0cV<sub>FB<\/sub> = 0.75V \u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/5-new.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-2527\" title=\"5-new\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/5-new.png\" alt=\"\" width=\"389\" height=\"174\" \/><\/a><\/p>\n<p>\u4e0a\u9762\u6240\u8bf4\u7684 R2 \u5bf9\u5e94\u5b9e\u9645\u8bbe\u5907\u4e2d\u7684 R70 \u3002\u5b83\u8fde\u63a5\u7740\u65c1\u8fb9\u4e00\u5927\u7247\u7684\u5730\u7ebf\uff0c\u975e\u5e38\u5bb9\u6613\u5224\u65ad\u3002\u53ea\u8981\u7528\u524a\u5c16\u7684 2B \u94c5\u7b14\u5728 R70 \u4e0a\u9762\u8f7b\u5212\u4e00\u7b14\u5373\u53ef\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a\u4e0d\u8981\u7528\u7c97\u7ebf\u6761\u5f88\u91cd\u5730\u5212\uff0c\u8017\u7535\u91cf\u589e\u52a0\u662f\u5c0f\u4e8b\uff0c\u628a\u4e3b\u63a7\u5f04\u70e7\u4e86\u4f60\u5c31\u60e8\u4e86\u3002<\/strong><\/p>\n<p><strong>\u8b66\u544a\uff1a\u4e0a\u8ff0\u65b9\u6cd5\u4ec5\u4f9b\u53c2\u8003\uff0c\u672c\u4eba\u5bf9\u5176\u9020\u6210\u7684\u4efb\u4f55\u540e\u679c\u4e0d\u8d1f\u4efb\u4f55\u8d23\u4efb\u3002\u62c6\u673a\u5c06\u4f1a\u4f7f\u4fdd\u4fee\u5931\u6548\u4e14\u6709\u4e00\u5b9a\u7684\u5371\u9669\u6027\u3002\u8bf7\u8c28\u614e\u64cd\u4f5c\u3002<\/strong><\/p>\n<p>\u6700\u540e\uff0c\u5728\u6709\u4e86\u667a\u80fd\u624b\u673a\u4e4b\u540e\uff0c\u7535\u5b50\u8bcd\u5178\u4fbf\u51e0\u4e4e\u4e0d\u518d\u4f7f\u7528\uff0c\u4e00\u76f4\u6254\u5728\u4e66\u5305\u91cc\uff0c\u76f4\u5230\u4e00\u9635\u5b50\u4e4b\u524d\u62ff\u51fa\u6765\u7a81\u7136\u53d1\u73b0 LCD \u5c4f\u4e0d\u77e5\u600e\u4e48\u7684\u788e\u4e86\u2014\u2014\u8fd9\u548c\u6392\u7ebf\u635f\u574f\u4e00\u8d77\u57fa\u672c\u4e0a\u662f\u7535\u5b50\u8bcd\u5178\u7684\u4e24\u5927\u6807\u51c6\u6b7b\u6cd5\u4e86\u3002\u5f53\u7136\uff0c\u5176\u4e2d\u7684 K9G8G08U0M \u81ea\u7136\u88ab\u6211\u62ff\u53bb\u505a U \u76d8\u4e86\uff0c\u8fd9\u53ea\u5c0f\u5bb9\u91cf\u7684 60nm 2KB Page MLC NAND Flash \u7684\u901f\u5ea6\u53ea\u80fd\u8dd1\u5230 16MB\/s \u8bfb\u53d6\uff0c4MB\/s \u5199\u5165\uff0c\u4e0d\u8fc7 5000 \u6b21\u64e6\u5199\u5bff\u547d\u4f7f\u5f97\u5b83\u8fd8\u6709\u5229\u7528\u7684\u4ef7\u503c\u3002SDRAM \u9897\u7c92\u4e5f\u987a\u5229\u62c6\u4e0b\u4e86\uff0c\u4e0d\u8fc7\u65ad\u4e86\u4e00\u4e2a\u7a7a\u811a\u3002<\/p>\n<hr \/>\n<p>\u987a\u4fbf\u53d1\u4e00\u4e0b\u81ea\u5e26\u7684\u5f00\u5173\u7535\u6e90\u9002\u914d\u5668\u62c6\u89e3\u3002\u8fd9\u4e2a\u9002\u914d\u5668\u4e3a RCC \u7535\u8def\uff0c\u521d\u7ea7\u4e3a\u5168\u6865\u6574\u6d41\uff0c\u03c0 \u578b\u6ee4\u6ce2\uff0c13003 \u5f00\u5173\u7ba1\uff0c\u6b21\u7ea7\u4e5f\u662f \u03c0 \u578b\u6ee4\u6ce2\uff0c1N5819 \u6574\u6d41\uff0c\u5e26 TL431 \u3001Everlight \u7684 817 \u5149\u8026\uff0c1N4007 \u6d4b\u6d41 + \u4e09\u6781\u7ba1\u653e\u5927\u7ec4\u6210\u53cc\u8272 LED \u706f\u7535\u6d41\u6307\u793a\u3002\u5f00\u5173\u53d8\u538b\u5668\u8d28\u91cf\u4e00\u822c\uff0c\u6709 Y \u5b89\u89c4\u7535\u5bb9\u3002PCB \u57fa\u677f\u4e3a FR-4 \uff0c\u6ce2\u5cf0\u710a\u63a5\uff0c\u81ea\u52a8\u5207\u811a\u3002\u8f93\u51fa 5V 600mA \u3002\u603b\u4f53\u505a\u5de5\u4e00\u822c\u3002<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030044.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2521\" title=\"P1030044\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030044-400x300.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030044-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030044-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030044.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030045.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2522\" title=\"P1030045\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030045-400x300.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030045-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030045-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/08\/P1030045.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u5e74 \uffe5800 \u4e70\u7684\u5feb\u6613\u5178 A830 \u7535\u5b50\u8bcd\u5178\uff0c\u4e70\u56de\u6765\u4e4b\u540e\u4e0d\u65f6\u5728\u5f00\u673a\u65f6\u51fa\u73b0\u6b7b\u673a\u548c\u65f6\u95f4\u4e22\u5931\u7684\u73b0\u8c61\uff0c\u5728\u62c6\u673a\u540e\u53d8\u5f97\u66f4 &hellip; <a href=\"http:\/\/blog.dword1511.info\/?p=2516\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\uff08\u66fe\u7ecf\uff09\u6211\u662f\u5982\u4f55\u4fee\u597d\u5feb\u8bd1\u5178 A830 \u7684<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[7],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/2516"}],"collection":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2516"}],"version-history":[{"count":5,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/2516\/revisions"}],"predecessor-version":[{"id":2531,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/2516\/revisions\/2531"}],"wp:attachment":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2516"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}