GTA04 PMU / Core arch block diagram v1
laforge at openmoko.org
Thu Apr 3 15:38:58 CEST 2008
On Wed, Apr 02, 2008 at 01:51:39PM +0100, Andy Green wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> Somebody in the thread at some point said:
> | | the MPU, so you can make calls over BT with the CPU off?
> | ...oooh, very good point.
> Hum don't know if we can do it or not. The current BT device uses USB
> to communicate with the CPU, which will go down with the CPU. We can
> still power it though, so if it doesn't reset itself or otherwise rely
> on USB comms (eg, for clock) it can work.
I think BT should rather use a high-speed UART or SDIO than USB. USB
is really cumbersome in the suspend/resume case, esp. with regard to the
wakeup-from-bluetooth case (talk to Marcel Holtmann, if you need
- Harald Welte <laforge at openmoko.org> http://openmoko.org/
Software for the world's first truly open Free Software mobile phone
More information about the openmoko-kernel