BQ34Z100-G1: Writing the security keys

Jeffrey Wright

Part Number: BQ34Z100-G1
Other Parts Discussed in Thread: BQSTUDIO

Hello;

Is there any documentation listing the procedure to alter the security keys? Other devices' (e.g. 34z110, 76952, etc.) TRM's list a procedure involving writing to command 0x35. Does this apply also to the 34z100-G1?

over 4 years ago

0 Jeffrey Wright over 4 years ago

Expert 2875 points

to follow up, evidently there is no command 0x35 for the 34z100, as I tried reading with bqStudio and it returns 00 00 00 00 00 00 00 00

SO, how do I change the keys?

0 Wyatt Keller over 4 years ago in reply to Jeffrey Wright

TI__Guru** 105630 points

Hello Jeffrey,

You should be able to update the unseal/full access keys by changing the dataflash in full access mode, there's not a specific procedure to follow.

Sincerely,

Wyatt Keller

Power management

Power management forum

BQ34Z100-G1: Writing the security keys