{"id":25,"date":"2025-03-25T21:09:45","date_gmt":"2025-03-25T13:09:45","guid":{"rendered":"https:\/\/stlcrafters.com\/?p=25"},"modified":"2025-03-26T19:37:06","modified_gmt":"2025-03-26T11:37:06","slug":"stc89c52rc","status":"publish","type":"post","link":"https:\/\/stlcrafters.com\/index.php\/2025\/03\/25\/stc89c52rc\/","title":{"rendered":"STC89C52RC \u5355\u7247\u673a\u7684\u6700\u5c0f\u7cfb\u7edf\uff0c\u5305\u542b\u4ee5\u4e0b\u5173\u952e\u90e8\u5206\u53ca\u8bbe\u8ba1\u8981\u70b9"},"content":{"rendered":"<p><strong style=\"color: var(--wp--preset--color--contrast); font-family: var(--wp--preset--font-family--manrope); font-size: var(--wp--preset--font-size--large); letter-spacing: -0.1px; background-color: var(--wp--preset--color--base);\">1. \u7535\u6e90\u7535\u8def<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><strong>\u7535\u538b\u8303\u56f4<\/strong>\uff1a3.4V\uff5e5.5V\uff08\u5178\u578b\u503c 5V\uff0cUSB \u76f4\u63a5\u4f9b\u7535\u5373\u53ef\uff09\u3002<\/li>\n<li><strong>\u6ee4\u6ce2\u7535\u5bb9<\/strong>\uff1a\u7535\u6e90\u5f15\u811a\uff08VCC\/GND\uff09\u5e76\u8054 10\u03bcF\uff08\u4f4e\u9891\u6ee4\u6ce2\uff09\u548c 0.1\u03bcF\uff08\u9ad8\u9891\u6ee4\u6ce2\uff09\u7535\u5bb9\uff0c\u9760\u8fd1\u82af\u7247\u653e\u7f6e\u4ee5\u786e\u4fdd\u7a33\u5b9a\u3002<\/li>\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u4e25\u7981\u8d85\u8fc7 5.5V\uff0c\u5426\u5219\u70e7\u6bc1\u82af\u7247\uff1b\u4f4e\u4e8e 3.4V \u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><strong>2. \u6676\u632f\uff08\u65f6\u949f\uff09\u7535\u8def<\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u63d0\u4f9b\u5355\u7247\u673a\u5de5\u4f5c\u7684\u65f6\u949f\u9891\u7387\uff08\u9ed8\u8ba4 12MHz \u6216 11.0592MHz\uff0c\u540e\u8005\u5e38\u7528\u4e8e\u4e32\u53e3\u901a\u4fe1\uff09\u3002<\/li>\n<li><strong>\u65e0\u6e90\u6676\u632f\u8fde\u63a5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5f15\u811a\uff1aXTAL1\uff0818 \u811a\uff09\u3001XTAL2\uff0819 \u811a\uff09\u3002<\/li>\n<li>\u5916\u56f4\u5143\u4ef6\uff1a\u6676\u632f\u4e24\u4fa7\u63a5 20\uff5e33pF \u7535\u5bb9\uff08\u5982 22pF\uff09\uff0c\u5e76\u8054\u81f3 GND\uff0c\u7535\u5bb9\u503c\u9700\u53c2\u8003\u624b\u518c\uff08\u5178\u578b 20pF\uff09\u3002<\/li>\n<li>\u5e03\u5c40\uff1a\u6676\u632f\u548c\u7535\u5bb9\u5c3d\u91cf\u9760\u8fd1\u82af\u7247\uff0c\u51cf\u5c11\u5e72\u6270\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6709\u6e90\u6676\u632f<\/strong>\uff1a\u9700\u4f9b\u7535\uff08VCC\/GND\uff09\uff0c\u4ec5\u63a5 XTAL1\uff0cXTAL2 \u60ac\u7a7a\uff08\u8f83\u5c11\u7528\uff0c\u65e0\u6e90\u66f4\u5e38\u89c1\uff09\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><strong>3. \u590d\u4f4d\u7535\u8def<\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>\u529f\u80fd<\/strong>\uff1a\u4e0a\u7535\u590d\u4f4d\uff08\u81ea\u52a8\uff09\u548c\u6309\u952e\u590d\u4f4d\uff08\u624b\u52a8\uff09\u3002<\/li>\n<li><strong>\u7535\u8def\u8bbe\u8ba1<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5f15\u811a\uff1aRST\uff089 \u811a\uff09\u3002<\/li>\n<li>\u5143\u4ef6\uff1a10k\u03a9 \u7535\u963b\uff08R\uff09\u548c 10\u03bcF \u7535\u5bb9\uff08C\uff09\u7ec4\u6210 RC \u7535\u8def\uff0c\u4e32\u8054\u6309\u952e\u5f00\u5173\u3002<\/li>\n<li>\u539f\u7406\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4e0a\u7535\u590d\u4f4d<\/strong>\uff1a\u7535\u5bb9\u5145\u7535\uff0cRST \u5f15\u811a\u9ad8\u7535\u5e73\u6301\u7eed\u7ea6 1.2RC\uff08\u5982 R=10k\u03a9\uff0cC=10\u03bcF\uff0c\u65f6\u95f4\u2248120ms\uff09\uff0c\u8d85\u8fc7 2 \u4e2a\u673a\u5668\u5468\u671f\uff08\u786e\u4fdd\u590d\u4f4d\uff09\u3002<\/li>\n<li><strong>\u6309\u952e\u590d\u4f4d<\/strong>\uff1a\u6309\u4e0b\u5f00\u5173\uff0c\u7535\u5bb9\u653e\u7535\uff0cRST \u5f15\u811a\u5f3a\u5236\u9ad8\u7535\u5e73\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6ce8\u610f<\/strong>\uff1aSTC89C52RC \u4e3a\u9ad8\u7535\u5e73\u590d\u4f4d\uff0c\u590d\u4f4d\u7535\u5e73\u22650.7VCC\uff08\u5982 5V \u65f6\u22653.5V\uff09\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><strong>4. \u4e0b\u8f7d\u7535\u8def\uff08\u7a0b\u5e8f\u70e7\u5f55\uff09<\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>\u63a5\u53e3<\/strong>\uff1a\u901a\u8fc7 USB-TTL \u6a21\u5757\uff08\u5982 CH340G\uff09\u8fde\u63a5\u5355\u7247\u673a\u4e32\u53e3\u3002<\/li>\n<li><strong>\u5f15\u811a\u8fde\u63a5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6a21\u5757 TXD \u2192 \u5355\u7247\u673a RXD\uff08P3.0\uff09\u3002<\/li>\n<li>\u6a21\u5757 RXD \u2192 \u5355\u7247\u673a TXD\uff08P3.1\uff09\u3002<\/li>\n<li>\u6a21\u5757 GND \u2192 \u5355\u7247\u673a GND\u3002<\/li>\n<li>\u6a21\u5757 5V \u2192 \u5355\u7247\u673a VCC\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9a71\u52a8<\/strong>\uff1a\u5b89\u88c5 CH340 \u9a71\u52a8\uff0c\u4f7f\u7528 STC-ISP \u8f6f\u4ef6\u70e7\u5f55\uff0c\u9700\u51b7\u542f\u52a8\uff08\u65ad\u7535\u91cd\u8fde\uff09\u89e6\u53d1\u4e0b\u8f7d\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><strong>5. \u5176\u4ed6\u8981\u70b9<\/strong><\/h3>\n<p><strong>\u82af\u7247\u65b9\u5411<\/strong>\uff1a\u7f3a\u53e3\u671d\u590d\u4f4d\u6309\u94ae\u6216\u6676\u632f\u65b9\u5411\uff0c\u786e\u4fdd\u5f15\u811a\u5bf9\u9f50\u3002<\/p>\n<p><strong>P0 \u53e3\u4e0a\u62c9\u7535\u963b<\/strong>\uff1a\u4f5c\u4e3a\u901a\u7528 IO \u65f6\uff0c\u9700\u5916\u63a5 4.7k\u03a9\uff5e10k\u03a9 \u4e0a\u62c9\u7535\u963b\uff08\u5185\u90e8\u65e0\u4e0a\u62c9\uff09\u3002<\/p>\n<p><strong>\u5f15\u811a\u5e03\u5c40<\/strong>\uff1a\u6240\u6709\u5143\u4ef6\uff08\u6676\u632f\u3001\u7535\u5bb9\u3001\u7535\u963b\uff09\u7d27\u9760\u5355\u7247\u673a\uff0c\u51cf\u5c11\u8d70\u7ebf\u5e72\u6270\u3002<\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u7535\u6e90\u7535\u8def \u7535\u538b\u8303\u56f4\uff1a3.4V\uff5e5.5V\uff08\u5178\u578b\u503c 5V\uff0cUSB \u76f4\u63a5\u4f9b\u7535\u5373\u53ef\uff09\u3002 \u6ee4\u6ce2\u7535\u5bb9\uff1a\u7535\u6e90\u5f15\u811a\uff08VC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[6,5],"class_list":["post-25","post","type-post","status-publish","format-standard","hentry","category-8","tag-stc","tag-5"],"_links":{"self":[{"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/posts\/25","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/comments?post=25"}],"version-history":[{"count":5,"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/posts\/25\/revisions"}],"predecessor-version":[{"id":49,"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/posts\/25\/revisions\/49"}],"wp:attachment":[{"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/media?parent=25"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/categories?post=25"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stlcrafters.com\/index.php\/wp-json\/wp\/v2\/tags?post=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}