一般来说，CPU的读写时钟会引入到PLD中，笔者利用CPU的读写时钟实现同步读写寄存器，提高设计的可靠性。因此这种建模方式是推荐的CPU读写PLD寄存器建模方式-In general, CPU clock reading and writing will be introduced to the PLD, the author uses the CPU to read and write clock synchronized read and write registers, improve d