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TMS320F2800157: SPI改变传输bit数问题

Part Number: TMS320F2800157


SPI配置:时钟模式2,设置传输bit数为8

我在使用过程中,可以随时修改传输bits数吗,我看库函数setcharLength可以修改传输bits数量,但是在修改前需要先禁用SPI模块,修改后再开启SPI模块;

请问”修改传输bits数“是不是必须先禁用模块再使能模块,能不能直接修改

感谢大家的回复!