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PGA411-Q1: DEV_PHASE_CFG Register cannot be changed

Part Number: PGA411-Q1

Hi team,

customer feedback that when loading software, DEV_PHASE_CFG Register cannot be changed.

In their process, they will first check the original value of this Reg, then write new value, then read back. And they find other Regs can be changed except for this one. After trying several times, it can be changed some time.

So just want to check with you if there is anything need to take care when writing the Reg, maybe sequence or other things.

Thanks.

BRs

Given