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Subject: Re: M-Audio Microtrack

Re: M-Audio Microtrack

From: Robert Menes <viewtiful.icchan_at_gmail.com>
Date: Thu, 21 Aug 2008 20:07:22 -0400

On Thu, Aug 21, 2008 at 7:58 PM, Lees, Christian
<Christian.Lees_at_dsto.defence.gov.au> wrote:
> I am looking at porting rockbox to the M-Audio microtrack. My application
> is a little different, I want to make it a more versatile recorder and am
> looking at using the rockbox firmware as a base for my application. Its
> based on the PP5020, has a AK5365 codec, 16MB RAM, 4MB Flash. It takes a
> compact flash card for recording to. It doesn't load the firmware of the
> CF. To update the firmware you have to copy it to the card and then use its
> own internal software. It has one unmarked header, could be JTAG, although
> out of the 8 pins, one is ground, one is 3.3V and the rest look to have pull
> ups on them.
>
> My main stumbling block is how to get the new firmware on it without turning
> it into a brick. Does anyone have a datasheet for the PP5020? It would be
> nice if it could load firmware off the CF card, but I imagine this is going
> to require a hacked bootloader. Has anyone got any suggestions on how to
> attack this one?

Hi Christian,

The PP5020 is also used in the iPod 4G greyscale and color, the iriver H10,
and the m:robe 100. Check out the Rockbox source code for lots of juicy
source code written to run on this chip.

Good luck with your endeavors. :)

--Rob
(Running on more Rockbox targets than you can poke with a stick)

-- 
Nobody's ever lost in life...they're merely taking the scenic route.
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Received on 2008-08-22

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