Hi Lucas, Thanks for your information. Do you have an external clock ( oscillator or clock from CPU) you can use to check? I do not have a Crystal so I can not check it for you. My understanding is, your register reading including other registers was correct, let me know if my understanding is incorrect. What's your SCLK frequency and Crystal frequency? Did you try to program other register and read it back to check? you timing and schematic will be very helpful to identify the issue, you can use different captures for /CS,SCLK,SDI and SDO signals. You can use the configurations to collect the data without writing any registers. BR, Dale
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