介绍飞思卡尔8位单片机，包括SCI串口通信模块，SPI模块，与时钟模块，是一本飞思卡尔8位单片机实用教程。-Freescale introduces 8-bit microcontroller, serial communication modules, including SCI, SPI module, and the clock module is a practical tutorial Freescale 8-bit microcontroller.