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DAC8811EVM-PDK: DAC8811EVM firmware

Part Number: DAC8811EVM-PDK
Other Parts Discussed in Thread: DAC8811EVM, DXP

Hi all,

I meet the problem which shown in the figure below, I used to successfully communicate with the DAC8811EVM. However when the students on the lab try to communicate it, it seems clear all the firmware in it.
How can I figure this out?