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Subject: Re: GDB and serial port
From: Andrew Jamieson (ajamiesn_at_mira.net)
Date: 2002-02-09


I use Protel for the schematics.

How goes the serial link?

----- Original Message -----
From: "Nielsen Linus (ext)" <Linus.Nielsen_at_elema.siemens.se>
To: <rockbox_at_cool.haxx.se>
Sent: Thursday, February 07, 2002 11:08 PM
Subject: RE: GDB and serial port

> > Here's a piccie showing an easy spot to pick up both transmit
> > and receive. You'll be able to note that the transmit line
> > also goes to second 'bottom' pad on the left of the unloaded
> > SMD component - so that's a good spot to pick it up too.
>
> You're a hero! That's really good news!
>
> > From what I can see, you should be able to get away with
> > connecting the serial lines directly to the line in jack
> > without cutting the connections - the schematics may not
> > be right for this area, and the micronas datasheet refers
> > to having simply a cap buffering the input from the chip, so
> > soldering directly to the connector should be OK. If they
> > have followed the datasheet, simply removing the caps will
> > actually isolate the connector anyway, so I'd try this first,
> > before going mad with the X-acto knife!
>
> Perfect. I'll start right away.
>
> /Linus
>
> > PS: I'll update the schematics soon. I promise.
>
> What program are you using? Eagle?
>
> /Linus
>



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