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我板子上的ADS1299芯片究竟是8通道的还是4通道的

Other Parts Discussed in Thread: ADS1299, ADS1299-4, ADS1299-6

我从项目前一个人的手里接过一个板子,实现用ARM控制ADS1299采样的功能,他说是8通道的,但是在我调试的过程中,发现只能对前4通道的寄存器进行操作,并且只有前4位能够转换,如下图所示

而且ID CONTROL REGISTER 读出来的数据是0x20,如果是ADS1299八通道的话,不是末两位应该为10么,ID CONTROL REGISTER 应该是0x22啊。我现在怀疑板上用的ADS1299是ADS1299-4,四通道的,请问大家我的判断对么?ADS1299芯片上的编号是 2BAYD9W G4,我还有什么办法判断ADS1299的型号呢?谢谢大家。