{"id":167,"date":"2010-10-17T15:58:22","date_gmt":"2010-10-17T07:58:22","guid":{"rendered":"http:\/\/kaoru.tech\/?p=167"},"modified":"2011-01-19T15:40:51","modified_gmt":"2011-01-19T07:40:51","slug":"mpc8315%e5%a4%8d%e4%bd%8d%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/kaoru.tech:7000\/wordpress\/?p=167","title":{"rendered":"MPC8315\u590d\u4f4d\u65b9\u5f0f"},"content":{"rendered":"<\/p>\n<p>MPC8315\u67092\u4e2a\u590d\u4f4d\u4fe1\u53f7\u7ba1\u811a\uff0cPORESETn\u548cHRESETn\u3002<\/p>\n<p>PORESETn\u662f\u4e00\u4e2a<font color=\"#ff0000\">Input Only<\/font>\u7ba1\u811a\u3002HRESETn\u662f<font color=\"#ff0000\">Input\/Output<\/font>\u7ba1\u811a\uff0c\u5e76\u4e14\u662f\u4e00\u4e2a<font color=\"#ff0000\">\u5f00\u6f0f\u8f93\u51fa<\/font>\u7ba1\u811a\u3002<\/p>\n<h1>Power-On Reset Flow <\/h1>\n<p>MPC8315 PORESETn \u6709\u6548\u5219\u5f00\u59cb\u5bf9CPU\u8fdb\u884c\u590d\u4f4d\u3002PORESETn\u5fc5\u987b\u6709\u6548\u6301\u7eed32\u4e2a\u8f93\u5165\u65f6\u949f\u3002<\/p>\n<p>\u5f53PORESETn\u65e0\u6548\u540e\uff0c\u7acb\u5373\u5f00\u59cb\u914d\u7f6e\u6b65\u9aa4\u3002\u82af\u7247\u5728power-on reset\u8fc7\u7a0b\u4e2d\u4e00\u76f4\u4f7fHRESETn\u6709\u6548\u3002\u914d\u7f6e\u65f6\u95f4\u6839\u636e\u914d\u7f6e\u6e90\u548cSYS_CLK_IN(PCI host\u6a21\u5f0f)\u6216\u8005PCI_CLK(PCI agent\u6a21\u5f0f)\u7684\u9891\u7387\u3002\u9996\u5148\uff0c\u91c7\u6837\u590d\u4f4d\u914d\u7f6e\u8f93\u5165\u7ba1\u811a\u4ee5\u51b3\u5b9a\u914d\u7f6e\u6e90\u548c\u65f6\u949f\u5206\u9891\u3002\u63a5\u4e0b\u6765\uff0c\u82af\u7247\u5f00\u59cb\u52a0\u8f7d\u590d\u4f4d\u914d\u7f6e\u5b57\u3002\u7cfb\u7edfPLL\u6309\u7167\u590d\u4f4d\u914d\u7f6e\u5b57\u7684\u4f4e\u4f4d\u9501\u5b9a\u65f6\u949f\u3002\u5f53\u7cfb\u7edfPLL\u9501\u5b9a\u540e\uff0c\u65f6\u949f\u6a21\u5757\u5f00\u59cb\u5728\u82af\u7247\u5185\u5206\u914d\u65f6\u949f\u4fe1\u53f7\u3002\u540c\u65f6\uff0c\u6838PLL\u5f00\u59cb\u9501\u5b9a\u3002\u5f53\u5b83\u9501\u5b9a\u5e76\u4e14\u8f7d\u5165\u590d\u4f4d\u914d\u7f6e\u5b57\u540e\uff0cHRESETn\u88ab\u91ca\u653e\u6389\u3002<\/p>\n<h1>Hard Reset Flow <\/h1>\n<p>\u5f53\u5916\u90e8\u4f7f\u80fdHRESETn\u6216\u8005\u5185\u90e8\u5f53\u82af\u7247\u63a2\u6d4b\u5230\u4ea7\u751f\u4e00\u4e2a\u5185\u6838\u786c\u590d\u4f4d\u6d41\u7a0b\u65f6\uff0cHRESETn\u5f00\u59cb\u6709\u6548\u3002\u5728\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u82af\u7247\u4fdd\u6301HRESETn\u6709\u6548\u5728HRESETn\u72b6\u6001\u3002\u786c\u590d\u4f4d\u6d41\u7a0b\u65f6\u95f4\u6839\u636e\u914d\u7f6e\u6e90\u548cSYS_CLK_IN(PCI host\u6a21\u5f0f)\u6216\u8005PCI_CLK(PCI agent\u6a21\u5f0f)\u7684\u9891\u7387\u3002\u786c\u590d\u4f4d\u4e0d\u4f1a\u91c7\u6837\u590d\u4f4d\u914d\u7f6e\u8f93\u5165\u7ba1\u811a(CFG_RESET_SOURCE\u548cCFG_CLKIN_DIVn)\uff0c\u5b83\u4eec\u88ab\u91c7\u6837\u4ec5\u4ec5\u5728power-on reset\u3002\u6240\u4ee5\u82af\u7247\u7acb\u5373\u5f00\u59cb\u52a0\u8f7d\u590d\u4f4d\u914d\u7f6e\u5b57\u5e76\u4e14\u914d\u7f6e\u82af\u7247\u3002\u5f53\u914d\u7f6e\u8fc7\u7a0b\u5b8c\u6210\u540e\uff0c\u82af\u7247\u91ca\u653e\u6389HRESETn\u5e76\u4e14\u9000\u51faHRESETn\u72b6\u6001\u3002\u4e00\u4e2a\u5916\u90e8\u7684\u4e0a\u62c9\u7535\u963b\u5e94\u8be5\u4f7f\u8fd9\u4e2a\u4fe1\u53f7\u65e0\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MPC8315\u67092\u4e2a\u590d\u4f4d\u4fe1\u53f7\u7ba1\u811a\uff0cPORESETn\u548cHRESETn\u3002 PORESETn\u662f\u4e00\u4e2aInput Only\u7ba1\u811a\u3002HRESETn\u662fInput\/Output\u7ba1\u811a\uff0c\u5e76\u4e14\u662f\u4e00\u4e2a\u5f00\u6f0f\u8f93\u51fa\u7ba1\u811a\u3002 Power-On Reset Flow MPC8315 PORESETn \u6709\u6548\u5219\u5f00\u59cb\u5bf9CPU\u8fdb\u884c\u590d\u4f4d\u3002PORESETn\u5fc5\u987b\u6709\u6548\u6301\u7eed32\u4e2a\u8f93\u5165\u65f6\u949f\u3002 \u5f53PORESETn\u65e0\u6548\u540e\uff0c\u7acb\u5373\u5f00\u59cb\u914d\u7f6e\u6b65\u9aa4\u3002\u82af\u7247\u5728power-on reset\u8fc7\u7a0b\u4e2d\u4e00\u76f4\u4f7fHRESETn\u6709\u6548\u3002\u914d\u7f6e\u65f6\u95f4\u6839\u636e\u914d\u7f6e\u6e90\u548cSYS_CLK_IN(PCI host\u6a21\u5f0f)\u6216\u8005PCI_CLK(PCI agent\u6a21\u5f0f)\u7684\u9891\u7387\u3002\u9996\u5148\uff0c\u91c7\u6837\u590d\u4f4d\u914d\u7f6e\u8f93\u5165\u7ba1\u811a\u4ee5\u51b3\u5b9a\u914d\u7f6e\u6e90\u548c\u65f6\u949f\u5206\u9891\u3002\u63a5\u4e0b\u6765\uff0c\u82af\u7247\u5f00\u59cb\u52a0\u8f7d\u590d\u4f4d\u914d\u7f6e\u5b57\u3002\u7cfb\u7edfPLL\u6309\u7167\u590d\u4f4d\u914d\u7f6e\u5b57\u7684\u4f4e\u4f4d\u9501\u5b9a\u65f6\u949f\u3002\u5f53\u7cfb\u7edfPLL\u9501\u5b9a\u540e\uff0c\u65f6\u949f\u6a21\u5757\u5f00\u59cb\u5728\u82af\u7247\u5185\u5206\u914d\u65f6\u949f\u4fe1\u53f7\u3002\u540c\u65f6\uff0c\u6838PLL\u5f00\u59cb\u9501\u5b9a\u3002\u5f53\u5b83\u9501\u5b9a\u5e76\u4e14\u8f7d\u5165\u590d\u4f4d\u914d\u7f6e\u5b57\u540e\uff0cHRESETn\u88ab\u91ca\u653e\u6389\u3002 Hard Reset Flow \u5f53\u5916\u90e8\u4f7f\u80fdHRESETn\u6216\u8005\u5185\u90e8\u5f53\u82af\u7247\u63a2\u6d4b\u5230\u4ea7\u751f\u4e00\u4e2a\u5185\u6838\u786c\u590d\u4f4d\u6d41\u7a0b\u65f6\uff0cHRESETn\u5f00\u59cb\u6709\u6548\u3002\u5728\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u82af\u7247\u4fdd\u6301HRESETn\u6709\u6548\u5728HRESETn\u72b6\u6001\u3002\u786c\u590d\u4f4d\u6d41\u7a0b\u65f6\u95f4\u6839\u636e\u914d\u7f6e\u6e90\u548cSYS_CLK_IN(PCI host\u6a21\u5f0f)\u6216\u8005PCI_CLK(PCI agent\u6a21\u5f0f)\u7684\u9891\u7387\u3002\u786c\u590d\u4f4d\u4e0d\u4f1a\u91c7\u6837\u590d\u4f4d\u914d\u7f6e\u8f93\u5165\u7ba1\u811a(CFG_RESET_SOURCE\u548cCFG_CLKIN_DIVn)\uff0c\u5b83\u4eec\u88ab\u91c7\u6837\u4ec5\u4ec5\u5728power-on reset\u3002\u6240\u4ee5\u82af\u7247\u7acb\u5373\u5f00\u59cb\u52a0\u8f7d\u590d\u4f4d\u914d\u7f6e\u5b57\u5e76\u4e14\u914d\u7f6e\u82af\u7247\u3002\u5f53\u914d\u7f6e\u8fc7\u7a0b\u5b8c\u6210\u540e\uff0c\u82af\u7247\u91ca\u653e\u6389HRESETn\u5e76\u4e14\u9000\u51faHRESETn\u72b6\u6001\u3002\u4e00\u4e2a\u5916\u90e8\u7684\u4e0a\u62c9\u7535\u963b\u5e94\u8be5\u4f7f\u8fd9\u4e2a\u4fe1\u53f7\u65e0\u6548\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[19],"tags":[46],"class_list":["post-167","post","type-post","status-publish","format-standard","hentry","category-powerpc","tag-mpc8315"],"_links":{"self":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=167"}],"version-history":[{"count":6,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/167\/revisions"}],"predecessor-version":[{"id":537,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/167\/revisions\/537"}],"wp:attachment":[{"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kaoru.tech:7000\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}