Hi Martin I've started reviewing your Registers data.txt file and noticed that the Writes you're intending to do to Page 0, Register 0 may actually be Reads. The SPI transfer value sent for those registers is 0xA023. If I understand your code correctly I think this should be 0x2023. In fact the first write you do to this address should be 0x2022, to clear the Registers Locked bit and set Master Mode. Then the final write should be 0x2023 to set the Registers Locked bit. I'll review the rest of the register values tomorrow and comment further. Please let me know if I've misinterpreted your code regarding the Writes to Page 0 , Register 0.. Best regards, Jim B
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