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HAL引脚复用时发生冲突该怎么处理

Other Parts Discussed in Thread: TMS570LS0914

新手求问,我在用HAL配置TMS570ls0914的spi的时候发生了引脚冲突,其中cs和somi都是105脚,我只能把somi引脚给去掉,然后现在我要看波形的话,只能看到cs的波形,看不到somi的波形,请问这种问题该怎么解决。