巧用PIO通信方式加速双微机系统数据传输率

Speed up the data transport rate of double-CPU system using PIO communication mode

提出了仿效DMA方式,通过中断和查询的配合实现双微机高速PIO通信的方法.

The authors take forward a new PIO communication method by modeling on the DMA method to realize the highspeed communication of doubleCPU system.