SDIO SPEC - ylyuanlu的專欄 - 博客頻道 - CSDN.NET
SDIO SPEC 分類: ARM Embedded 2012-06-04 10:12 965 人閱讀 評論(0) 收藏 舉報 cmd function less up the process can be divided into two cases. 1. power up 2. reset 1. power up a. power up the SDIO card b. all pins will be high. c. sclk should be less ......