SDRAM的自動刷新AS(Auto Refresh)和自刷新SR(Self Refresh) - 鑽天楊的博客 - 我的搜狐

When in the self-refresh mode, the DDR SDRAM retains data without external clocking. 保 存數據，可以不需要外部的時鍾。The self-refresh command is initiated like an auto-refresh command except CKE is disabled (low). 開始方式和自動刷新很像，只是CKE是 ...

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