This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

求助:关于F2812 ACTRA行为寄存器问题



我在使用F2812时,在GPIO初始化时将EVA的PWM1~PWM6和EVB的PWM7~PWM12引脚设置为PWM的比较输出模式。

将ACTRA和ACTRB寄存器设置为:

EvaRegs.ACTRA.all = 0x0000 ;//EVA PWM1~6比较输出引脚强制低电平
EvbRegs.ACTRB.all = 0x0000 ; //EVB PWM7~12比较输出引脚强制低电平

下载到芯片后,用示波器测试相应的EVA的PWM1~PWM6和EVB的PWM7~PWM12引脚为什么是高电平呀?