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BQ76942EVM: BQstudio Command Sequence to read Enable Protection A Regsiter Value

Part Number: BQ76942EVM
Other Parts Discussed in Thread: BQSTUDIO, BQ76942, BQ76952

TI Experts,

I'm using BQ76942 BQstudio, I try to use Command Sequence to read Enable Protecion A regsiter vaule. The command sequence is below:

W: 10 3E 61
W: 10 3F 92
R: 11 40 2

However, it didn't report any data from 0x40 buffer.

Besides, I try to use Command Sequence to write Enable Protecion A regsiter vaule. The command sequence is below:

W: 10 3E 80
W: 10 3F 91
W: 10 40 7A
W: 10 41 30
W: 10 60 44
W: 10 61 06
R:11 40 2

However, it didn't report any data from 0x40 buffer. 

What's the failure reason? I'm hoping for your advice!