GTA04 PMU / Core arch block diagram v1 / Bluetooth interface

[Neng-Yu Tu (Tony Tu)]

> |
> | 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
> | details)
> 
> Sounds good to me, I don't hold any torch for USB interface on it.  I
> guess it is just pricing / availability question out of my scope.  What
> do you think about a different bluetooth interface based around UART or
> SDIO, Tony?
> 
>

Depends on what IO port left, SDIO and USB are more popular choice, I am 
not sure what module support UART and the speed/processing limit by 
using UART for large/long data transmission.

Tony Tu