Hi Alex, Both devices have /CS tied together and both are driven Low during R/W. One thing we have missed out, is tying DAISY_IN to GND on the final device. On our current prototype DAISY_IN has been left floating. Can you elaborate the impact that this might cause? When we have /DAISY_EN set to 0 we cannot seem able to program the Modulator enable bits on the slave device. At the very least we would've expected to be able to enable the modulator even if we cannot readback from the device. Does failing to tie DAISY_IN to GND completely block us from interacting with the device this way? Dylan
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