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RM57L843: SCI波特率设置

Part Number: RM57L843


目前VCLK设置为70MHz

片内资源4个SCI都使用了,3个波特率设置为115200(实际为115131)

1个设置为384000(实际为397727)

目前384000这个误码率过高,但如果更改VCLK又会导致其他3个115200受影响。想请问是否有别的手段,可设置某路SCI有单独的时钟?用于波特率配置