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TMS320F28379D: PWM输出软件强制输出低电平不起作用

Part Number: TMS320F28379D
Other Parts Discussed in Thread: C2000WARE

配置PWM1为up-down计数模式,输出A与B之间存在死区时间,在中断中设置EPwm1Regs.AQCSFRC.bit.CSFA=1;EPwm1Regs.AQCSFRC.bit.CSFB=1;此时PWMA输出低电平,PWMB输出高电平,PWMB无法强制输出低电平