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Enter in Boot/ROM mode BQ8030 - almost done

Ionel Tiron
Prodigy 160 points
Other Parts Discussed in Thread: BQ8030

Hi guys,

I am studying Sanyo BQ8030 controller in order to change the FCC.

First I tried to enter in Boot mode by writting 0x0F00 to address 0x00 but without success. I found out that there are some special commands to access boot mode like 0x70, 0x71, 0x72 and 0x73. Can someone give me some hints what is the meaning of these commands ? I know this controller doesn't support Unseal algorithm, does it have a chanllenge-response algorithm instead ?