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BQ27220: BQ27220

Part Number: BQ27220
Other Parts Discussed in Thread: BQSTUDIO,

Q1: When I plug-in battery, and read data memory is unseal, right? The default of data memory is seal or unseal?
as below:

Q2: Unseal key is 0x36720414, right?

as below:

Q3: I write 30 00 using Advanced i2 command, and read data memory. The result is sealed.

as below:

(1)Figure 1

=> Seal

(2)Figure 2 => sent unseal key (36 72 04 14 ), but  Data Memroy is still sealed.

=> Data Memroy is still sealed.