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TMS320F28027 比较器与ADC能否同时共享同一输入引脚?

Other Parts Discussed in Thread: TMS320F28027

你好,我准备使用TMS320F28027做数字PFC。现有问题请教:

若我准备使用ADCINA2/COMP1A引脚采样MOSFET的电流,用于电流内环控制用,又考虑到使用内部比较器作为峰值电流保护。所以打算同时启用内部比较器和ADC,但输入信号均为同一个引脚,即输入信号达不到设定动作阈值时,只作为ADC的输入使用,但输入信号超过设定阈值时,比较器(COMP1)自动触发PWM,停止输出脉冲。不知道这样配置是否可行?