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ds90ub947和ds94ub940+之间的spi通信

TI;

我司目前有个项目采用贵司的947/940方案,视频传输]已经调试完成,但是,我们还想利用947/940之间的spi通信机制传送升级数据包,我看手册上SPI Communication这一章节只简单介绍了配置使能deserializer---HSCC_MODE (0x43[2:0])这个寄存器,没有详细的案例介绍。想请问下是否有相关的使用说明?

我这里所说的传送升级数据包的意思是:比如一个zip压缩包,那我该如何通过947的spi传送,940接收呢?