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请问2812的ADC模块触发源可以同时为两个以上吗?比如我想采样两种频率的信号,一种是20K的由EVA的PWM产生,如电机电流采样;一种是10K的由evb的PWM产生,需要采样旋变的信号。我可以在ADC的设置中将某些通道设置为EVA定时器1的下溢中断触发,余下的通道用EVB触发么?如果不能,如何可以设置AD采样可以才两种频率的信号,又不互相影响呢?