嵌入式微控制器MMC2107的SPI模块编程技术

An Application of Embedded MCU MMC2107's SPI Module Programming

在分析SPI的基本原理与逻辑结构基础上,对Motorola32位微控制器MMC2107的SPI模块编程结构进行了较深入的剖析,给出了基本的编程要点。为了更加清楚地阐明MMC2107SPI的编程方法,文章通过对LCD的编程,并借助与PC机串行通信方式进行实践。文章给出了相关的硬件设计与软件设计要点,对其中的技术难点进行了重点说明。

Based on the fundamental and the logic configuration of SPI module,this paper anatomizes the programming frame of SPI module in MMC2107(a Motorola new serial 32 bit MCU),and presents some points.Through programming on LCD to clarify the program methods of MMC2107's SPI clearer,and making use of serial communication with PC to practice.This paper presents main points of hardware and software designs and emphasizes the technique difficulties.