{"id":43697,"date":"2023-10-03T17:27:23","date_gmt":"2023-10-03T09:27:23","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=43697"},"modified":"2023-10-14T00:17:15","modified_gmt":"2023-10-13T16:17:15","slug":"cckdznsbdjszc","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/43697.html","title":{"rendered":"CC2530\u4e32\u53e3DMA\uff1a\u667a\u80fd\u8bbe\u5907\u7684\u6280\u672f\u652f\u6301"},"content":{"rendered":"

  CC2530\u4e32\u53e3DMA\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u667a\u80fd\u8bbe\u5907\u66f4\u9ad8\u6548\u5730\u8fd0\u884c\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u652f\u6301\u66f4\u591a\u7684\u6570\u636e\u4f20\u8f93\uff0c\u51cf\u5c11\u5ef6\u8fdf\u548c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u6765\u63d0\u9ad8\u667a\u80fd\u8bbe\u5907\u7684\u6027\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecdCC2530\u4e32\u53e3DMA\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u4ee5\u53ca\u5b83\u5728\u667a\u80fd\u8bbe\u5907\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

CC2530\u4e32\u53e3DMA\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  CC2530\u4e32\u53e3DMA\u662f\u4e00\u79cd\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u667a\u80fd\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002\u5b83\u53ef\u4ee5\u5728\u4e32\u884c\u603b\u7ebf\u548c\u5916\u8bbe\u4e4b\u95f4\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\uff0c\u800c\u65e0\u9700CPU\u7684\u53c2\u4e0e\u3002\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u5185\u5b58\u4e2d\u590d\u5236\u5230\u5916\u8bbe\uff0c\u6216\u8005\u5c06\u5916\u8bbe\u7684\u6570\u636e\u590d\u5236\u5230\u5185\u5b58\u4e2d\u3002\u8fd9\u6837\uff0cCPU\u5c31\u53ef\u4ee5\u8282\u7701\u65f6\u95f4\uff0c\u4e13\u6ce8\u4e8e\u5904\u7406\u5176\u4ed6\u4efb\u52a1\u3002<\/p>\n

  DMA\u63a7\u5236\u5668<\/h3>\n

  CC2530\u4e32\u53e3DMA\u4f7f\u7528\u4e00\u4e2a\u53eb\u505aDMA\u63a7\u5236\u5668\u7684\u786c\u4ef6\u6765\u63a7\u5236\u6570\u636e\u4f20\u8f93\u3002DMA\u63a7\u5236\u5668\u53ef\u4ee5\u76f4\u63a5\u4ece\u5185\u5b58\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u800c\u65e0\u9700CPU\u7684\u53c2\u4e0e\u3002\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u5185\u5b58\u590d\u5236\u5230\u5916\u8bbe\uff0c\u6216\u8005\u5c06\u5916\u8bbe\u7684\u6570\u636e\u590d\u5236\u5230\u5185\u5b58\u4e2d\u3002DMA\u63a7\u5236\u5668\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u51cf\u5c11\u5ef6\u8fdf\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002<\/p>\n

  DMA\u4f20\u8f93\u6a21\u5f0f<\/h3>\n

  CC2530\u4e32\u53e3DMA\u652f\u6301\u591a\u79cdDMA\u4f20\u8f93\u6a21\u5f0f\u3002\u8fd9\u4e9b\u6a21\u5f0f\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u4e0d\u540c\u7684\u6570\u636e\u4f20\u8f93\u4efb\u52a1\uff0c\u5982\u5c06\u6570\u636e\u4ece\u5185\u5b58\u590d\u5236\u5230\u5916\u8bbe\uff0c\u6216\u8005\u5c06\u5916\u8bbe\u7684\u6570\u636e\u590d\u5236\u5230\u5185\u5b58\u4e2d\u3002\u6bcf\u79cd\u6a21\u5f0f\u90fd\u6709\u81ea\u5df1\u7684\u7279\u70b9\u548c\u4f18\u70b9\uff0c\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u7684\u9700\u8981\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n

CC2530\u4e32\u53e3DMA\u5728\u667a\u80fd\u8bbe\u5907\u4e2d\u7684\u5e94\u7528<\/h2>\n

  CC2530\u4e32\u53e3DMA\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u667a\u80fd\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002\u5b83\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u51cf\u5c11\u5ef6\u8fdf\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002\u8fd9\u6837\uff0c\u667a\u80fd\u8bbe\u5907\u5c31\u53ef\u4ee5\u66f4\u5feb\u5730\u5b8c\u6210\u4efb\u52a1\uff0c\u66f4\u9ad8\u6548\u5730\u8fd0\u884c\u3002<\/p>\n

  \u6539\u5584\u7528\u6237\u4f53\u9a8c<\/h3>\n

  CC2530\u4e32\u53e3DMA\u53ef\u4ee5\u6539\u5584\u667a\u80fd\u8bbe\u5907\u7684\u7528\u6237\u4f53\u9a8c\u3002\u5b83\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u51cf\u5c11\u5ef6\u8fdf\uff0c\u4f7f\u667a\u80fd\u8bbe\u5907\u66f4\u5feb\u5730\u5b8c\u6210\u4efb\u52a1\u3002\u8fd9\u6837\uff0c\u7528\u6237\u5c31\u53ef\u4ee5\u66f4\u5feb\u5730\u83b7\u5f97\u60f3\u8981\u7684\u7ed3\u679c\uff0c\u66f4\u597d\u5730\u4eab\u53d7\u667a\u80fd\u8bbe\u5907\u7684\u670d\u52a1\u3002<\/p>\n

  \u8282\u7701CPU\u8d44\u6e90<\/h3>\n

  CC2530\u4e32\u53e3DMA\u53ef\u4ee5\u8282\u7701CPU\u8d44\u6e90\u3002\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u5185\u5b58\u590d\u5236\u5230\u5916\u8bbe\uff0c\u6216\u8005\u5c06\u5916\u8bbe\u7684\u6570\u636e\u590d\u5236\u5230\u5185\u5b58\u4e2d\uff0c\u800c\u65e0\u9700CPU\u7684\u53c2\u4e0e\u3002\u8fd9\u6837\uff0cCPU\u5c31\u53ef\u4ee5\u8282\u7701\u65f6\u95f4\uff0c\u4e13\u6ce8\u4e8e\u5904\u7406\u5176\u4ed6\u4efb\u52a1\uff0c\u66f4\u9ad8\u6548\u5730\u8fd0\u884c\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  CC2530\u4e32\u53e3DMA\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u667a\u80fd\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u51cf\u5c11\u5ef6\u8fdf\uff0c\u6539\u5584\u7528\u6237\u4f53\u9a8c\uff0c\u8282\u7701CPU\u8d44\u6e90\u3002<\/strong>\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u5185\u5b58\u590d\u5236\u5230\u5916\u8bbe\uff0c\u6216\u8005\u5c06\u5916\u8bbe\u7684\u6570\u636e\u590d\u5236\u5230\u5185\u5b58\u4e2d\uff0c\u800c\u65e0\u9700CPU\u7684\u53c2\u4e0e\u3002CC2530\u4e32\u53e3DMA\u662f\u667a\u80fd\u8bbe\u5907\u7684\u91cd\u8981\u6280\u672f\u652f\u6301\uff0c\u53ef\u4ee5\u5e2e\u52a9\u667a\u80fd\u8bbe\u5907\u66f4\u9ad8\u6548\u5730\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

CC2530\u4e32\u53e3DMA\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u667a\u80fd\u8bbe\u5907\u66f4\u9ad8\u6548\u5730\u8fd0\u884c\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u652f\u6301\u66f4\u591a\u7684\u6570\u636e\u4f20\u8f93\uff0c\u51cf\u5c11\u5ef6\u8fdf\u548c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u6765\u63d0\u9ad8\u667a\u80fd\u8bbe\u5907\u7684\u6027\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecdCC25<\/p>\n","protected":false},"author":1,"featured_media":4132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[317,69],"class_list":["post-43697","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cc2530","tag-cktx"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/43697"}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=43697"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/43697\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=43697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=43697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=43697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}