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TMS570LS1227: HET的PWM0~5输出正常,6、7不受控

Part Number: TMS570LS1227

我需要使用8路HET1的PWM输出,目前全部配置为10%的占空比,前6路使用正常,问题在于第6路输出常高,第7路输出常低,不是我要的PWM波。

我尝试过换pin脚,故障跟随pwm6和pwm7