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HVPM_Sensorless中PWMDAC MACRO的问题

各位好,在HVPM_Sensorless_2833x例程中的PWMDAC MACRO模块里,有四个输入,四个pwm输出,分别是PWM5A,PWM6A,PWM7A,PWM7B,而28335芯片里没有PWM7,在程序里也没有PWM7的配置和输出,这是怎么一回事呢

另外还有问题就是在初始化PWM5和PWM6的时候,为什么会把GpioCtrlRegs.GPADIR.bit.GPIO8 = 0;呢,这是把PWM5配置成输入啊,按理应该是配置为输出吧