Each controller on a bus can be individually addressed by the CPU, this is why the software device driver can write to its registers and thus control it.
Each controller on a bus can be individually addressed by the CPU, this is why the software device driver can write to its registers and thus control it.
在总线上的每个控制器可以被CPU所单独寻址，这是软件设备驱动程序能写入寄存器并能控制这些控制器的原因。