Portable Media Player(PMP) is a typical embedded system design. Xscale PXA255 is a high-performance ARM core based embedded microprocessor developed by Intel.

• 便携式媒体播放器(PMP)是目前嵌入式系统设计领域中的典型应用,Xscale PXA255处理器是Intel推出的一款基于ARM核的高性能嵌入式微处理器。