This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

am335x对大容量SD卡和emmc(32G)擦除时地址的访问?

Data address for media =<2GB is a 32bit byte address and data address for media > 2GB is a 32bit sector (512B) address

当卡为大容量时,应该使用扇区地址,扇区地址是0,1,2这些,还是0,512,1024.

当我使用1,2地址时出现错误。该怎么理解?

在擦除的时候,一直发送cmd7进行状态检测,卡的状态一直处于Prg的状态,而没有返回tran状态,表示一直在擦,没有完成,这是哪里配置出错?