请问 图片上的Cs片选是通过硬件实现,还是软件配置寄存器实现的啊!!!
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请问 图片上的Cs片选是通过硬件实现,还是软件配置寄存器实现的啊!!!
谢谢,那我用EPI外扩sdram只有一个cs脚,是不是C28外扩的sdram只能寻址到一个cs片的地址。也就是从0x30 0000到0x33 FFFF!