[gta02-core] GTA02 GPS chip (ATR0635) VDD 1.8 power rail
Joerg Reisenweber
joerg at openmoko.org
Mon Jun 22 15:26:47 CEST 2009
Am Mo 22. Juni 2009 schrieb Werner Almesberger:
> ?lvaro Lopes wrote:
> > * Why was this chosen over PMU 1.8 power rail (IO_1V8) (or the other
> > way around) ?
>
> I could see the following consequences of connecting GPS to IO_1V8:
> - IO_1V8 stays on in suspend while RF_3V (VDDIO, VCCx, VBP) can be
> cut. Not sure if this is an operating condition the ATR0635 would
> be happy in.
How are you supposed to switch off GPS then?
/j
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