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简述了SPI总线协议工作时序和配置要求,通过一个成功的实例详细介绍了使用SPI总线实现DSP与MCU之间的高速通信方法,并参考实例给出了SPI接口的硬件连接、初始化、以及传输测试程序的编写方法。
The working sequence and configuration requirements of the SPI bus protocol are briefly described. The successful implementation of the SPI bus is described in detail. The SPI bus is used to realize the high-speed communication between DSP and MCU. The hardware connection, initialization, Preparation of test procedures.