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6455 EDMA 手动触发 ESR /ESRH的bit怎么与通道号对位起来

查阅ESR和ESRH寄存器,发现每个bit分别对应0~31,32~63



我配置的TCC 和CHID都为35,通道号为35.

问题:ESR和ESRH任意给那个bit赋值为1,通道35都会触发,后面我又两个通道,希望能够自己控制触发

那个通道,所以需要弄清楚,ESR和ESRH中的bit与通道的关系,如何约束?