Hi Brain, I changed my ways.Now I'm chaining two ADS1299s together as the Daisy-chain Configuration: ADS1299 datasheet PDF33. test： （1）Disconnect between DOUT1 and Daisy_IN0 , and I have tested each IC individually, and they work fine. The value of registers of AD1 are normal，and I can receive the corresponding data of 8 channels. The value of registers of AD2 are normal，and I can receive the corresponding data of 8 channels. (2) Connect between DOUT1 and Daisy_IN0, both of AD1 and AD2 did not work. The value of register are 0. Several questions: (1) I can read registers from AD1 and AD2 when they separate, but I can not read registers in the chain. Actually, I would like to read register of all devices and to check that all registers are set correctly. I didn't find any note in manual that it is or is not possible. I tried to read register from multiple devices without success. Is it possible to read registers from multiple devices in daisy chain? (2)What should be noted in daisy-chain mode?
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