SD卡实验很多单片机系统都需要大容量存储设备,以存储数据.目前常用的有 U 盘,...表3.20.1.2 SPI 模式下 SD 卡部分操作指令-SD card experiment many SCM system requires a mass storage device to store data used U disk ... SD card is part of the operating instructions in Table 3.20.1.2 SPI mode