As USB's popularization, there are more and more micro-processors have USB host-side and device-side controller, such as AT91RM9200.

随着USB总线的普及，具有US B主机端和从机端控制器的微型处理器越来越多，AT 91rm 9200就是这种微型处理器之一。

youdao

As USB's popularization, there are more and more micro-processors have USB host-side and device-side controller, such as AT91RM9200.

随着USB总线的普及，具有US B主机端和从机端控制器的微型处理器越来越多，AT 91rm 9200就是这种微型处理器之一。

youdao