51下的AMBE2000驱动程序，使用IO口模拟驱动-51 under AMBE2000 driver, I use the Analog IO driver

模拟SPI通讯代码，，不是硬件SPI，，所以请注意，，根据增强版51写的，，，时讯有些不同。-Simulation SPI communication codes not hardware SPI,,,,,, please note that according to the enhanced version of the 51 written,,, newsletter is somewhat different.