It also includes a memory management unit ( MMU ), a debug port, and a DMA controller.

它也包括了内存管理单元 ( MMU ), 调试端口 、 DMA控制器.

Memory Management Unit, translates virtual to physical addresses and provides access permission control.

内存管理单位, 把虚地址转化为物理地址并且提供访问许可控制.

MMU Memory Management Unit, translates virtual to physical addresses and provides access permission control.

内存管理单位，把虚地址转化为物理地址并且提供访问许可控制。