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Forum Post: Problems writing Data Flash BQ3060

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Hi Community,

I am trying to write via the SMBus the Data Flash of the BQ3060 Gas Gauge because I have to set a few parameters different as default settings. 

For example I would like to change the high byte bit CC1 and CC0 to 0 and 1( Register Operation Cfg A)  to configure for two cells ( default is for 3 cells).


But for me the structure how to write or read the data flash of the BQ3060 is unclear.

I read the chapter Data Flash from http://www.ti.com/lit/ug/sluu319/sluu319.pdf page 89. There I also found a example ( Page 90) for writing to Data Flash but i don't understand it exactly.

Can anyone please give me an exact instruction step by step how to write data to the flash of BQ3060 via SMBus ( my microcontroller which is the the Master is an Atmel Mega88).

Kind regards!

Novak Krk


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