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AFE4403测血氧的问题

Other Parts Discussed in Thread: AFE4403, AFE4400

当前参考了AFE4400的官方例程进行配置AFE4403.能够正常测试心率,但是IR传感器对应的寄存器的值是一固定值:0xE000E9。但是我通过示波器是能够看到接受管正常接收到IR信号。