Battery ID chip - help needed
fercerpav at gmail.com
Wed Jun 10 23:23:53 CEST 2009
Christian Gagneraud <cgagneraud at techworks.ie> writes:
> According to the FR battery page , they say that FR use a smart
> battery (model number CT-GTA02 ) but i can tell you that i don't
> have such a thing in my phone, i actually have a battery marked
> "Model: GTA02", which is definitely not a smart battery (it has only 3
> pins), this battery correspond more to what's describe on the Neo
> battery page . Moreover, the schematics of the FR show that it use
> only 2 signals of the battery: V+ and V-.
The third terminal is used by a bit-banging HDQ driver which
communicates with bq27000 chip integrated in battery. And it works for
sure, though probably some eeprom values that should be
factory-programmed are not optimal.
Be free, use free (http://www.gnu.org/philosophy/free-sw.html) software!
mailto:fercerpav at gmail.com
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