GTA04 PMU / Core arch block diagram v1 / Bluetooth interface

[Andy Green]

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Somebody in the thread at some point said:
|
|> |
|> | 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.

It seems that the chip on the BT module we use supports SPI and UART
already along with USB, whether the module gives them out I don't know,
but maybe it is just an ordering option what comes out there.

http://www.alldatasheet.com/datasheet-pdf/pdf/114802/ETC/BC41B143A-ANN-E4.html

- -Andy
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