\n\t\u5728\u7a0b\u5e8f\u521d\u59cb\u5316\u4e2d\u5411\u770b\u95e8\u72d7\u5bc4\u5b58\u5668<\/u>\uff08WDTRS<\/u>T\u5730\u5740\u662f0A6H\uff09\u4e2d\u5148\u5199\u516501EH\uff0c\u518d\u5199\u51650E1H\u3002\u5373\u53ef\u6fc0\u6d3b\u770b\u95e8\u72d7\u3002<\/p>\n
\n\t![\"AT89S51\u5355\u7247\u673a\u7684\u770b\u95e8\u72d7\u529f\u80fd\u8bbe\u8ba1\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/190522\/0Z2202630-0.png\")
<\/p>\n
\n\tOrg 0000<\/p>\n
\n\tLjmp begin<\/p>\n
\n\tBegin\uff1a<\/p>\n
\n\tMov 0A6H\uff0c#01EH ;\u5148\u90011E<\/p>\n
\n\tMov 0A6H\uff0c#0E1H ;\u540e\u9001E1<\/p>\n
\n\t\u5728\u7a0b\u5e8f\u521d\u59cb\u5316\u4e2d\u6fc0\u6d3b\u770b\u95e8\u72d7\u3002<\/p>\n
\n\tFor\uff1a<\/p>\n
\n\tMov 0A6H\uff0c#01EH ;\u5148\u90011E<\/p>\n
\n\tMov 0A6H\uff0c#0E1H ;\u540e\u9001E1<\/p>\n
\n\t\u5582\u72d7\u6307\u4ee4<\/p>\n
\n\tLjmp for<\/p>\n
\n\t\u5728C\u8bed\u8a00\u4e2d\u8981\u589e\u52a0\u4e00\u4e2a\u58f0\u660e\u8bed\u53e5\u3002<\/p>\n
\n\t\u5728AT89X51.h\u58f0\u660e\u6587\u4ef6\u4e2d\u589e\u52a0\u4e00\u884c sfr WDTRST = 0xA6;<\/p>\n
\n\tMai<\/u>n\uff08\uff09<\/p>\n
\n\t{<\/p>\n
\n\tWDTRST=0x1E;<\/p>\n
\n\tWDTRST=0xE1;\/\/\u521d\u59cb\u5316\u770b\u95e8\u72d7\u3002<\/p>\n
\n\tWhile \uff081\uff09<\/p>\n
\n\t{<\/p>\n
\n\tWDTRST=0x1E;<\/p>\n
\n\tWDTRST=0xE1;\/\/\u5582\u72d7\u6307\u4ee4<\/p>\n
\n\t}<\/p>\n
\n\t}<\/p>\n
\n\t\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n
\n\t1\uff0e 89S51\u7684\u770b\u95e8\u72d7\u5fc5\u987b\u7531\u7a0b\u5e8f\u6fc0\u6d3b\u540e\u624d\u5f00\u59cb\u5de5\u4f5c\u3002\u6240\u4ee5\u5fc5\u987b\u4fdd\u8bc1CPU<\/u>\u6709\u53ef\u9760\u7684\u4e0a\u7535\u590d\u4f4d\u3002\u5426\u5219\u770b\u95e8\u72d7\u4e5f\u65e0\u6cd5\u5de5\u4f5c\u3002<\/p>\n
\n\t2\uff0e \u770b\u95e8\u72d7\u4f7f\u7528\u7684\u662fCPU\u7684\u6676\u632f\u3002\u5728\u6676\u632f\u505c\u632f\u7684\u65f6\u5019\u770b\u95e8\u72d7\u4e5f\u65e0\u6548\u3002<\/p>\n
\n\t3\uff0e 89S51\u53ea\u670914\u4f4d\u8ba1\u6570\u5668\u3002\u572816383\u4e2a\u673a\u5668\u5468\u671f\u5185\u5fc5\u987b\u81f3\u5c11\u5582\u72d7\u4e00\u6b21\u3002\u800c\u4e14\u8fd9\u4e2a\u65f6\u95f4\u662f\u56fa\u5b9a\u7684\uff0c\u65e0\u6cd5\u66f4\u6539\u3002\u5f53\u6676\u632f\u4e3a12M\u65f6\u6bcf16\u4e2a\u6beb\u79d2\u9700\u5582\u72d7\u4e00\u6b21\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728 ATMEL \u768489S51\u7cfb\u5217\u768489S51\u4e0e89C51\u529f\u80fd\u76f8\u540c\u3002\u6307\u4ee4\u517c\u5bb9\u3002HEX\u7a0b\u5e8f\u65e0\u9700\u4efb\u4f55\u8f6c\u6362\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u300289S51\u53ea\u6bd489C51\u589e\u52a0\u4e86\u4e00\u4e2a \u770b\u95e8\u72d7 \u529f\u80fd\u300289S51\u7684\u5176\u5b83\u529f\u80fd\u53ef\u4ee5\u53c2\u89c189C51\u7684\u8d44\u6599\u3002 \u770b\u95e8\u72d7\u5177\u4f53\u4f7f\u7528\u65b9<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-2465","post","type-post","status-publish","format-standard","hentry","category-14"],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2465"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2465\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2465"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}