Re: [Gumstix-users] Which boards for 8+ ports GPIO (and USB, ethernet + serial)

[Jesse W. <jes...@gm...>]

I think that the lcd pinouts on the breakout-gs can be used for GPIO if you
don't need an LCD.
Schematics for the breakout-gs is here
http://pubs.gumstix.org/boards/BREAKOUT-GS/PCB00011-R901/

On 2/16/07, David Hearn <da...@sw...> wrote:
>
> I'm trying to work out the combination of boards I need to get a serial
> port, a USB port, an ethernet port and access to 8+ GPIO lines and I'm a
> bit confused about which board I need for the GPIO.
>
> This says the breakout-gs "*Breaks out a series of GPIO lines through
> twenty-four 50mil pitch holes"*
> http://gumstix.com/store/catalog/product_info.php?cPath=31&products_id=140
>
> But then http://docwiki.gumstix.org/Expansions#breakout-gs doesn't
> mention any GPIO lines on this board.
>
> So I looked at the Audiostix2 as
> http://docwiki.gumstix.org/Expansions#audiostix2 says (filtered out
> stuff I don't need):
>
>     * 38 PXA-GPIO lines
>     * 10 UCB1400 - GPIO lines
>     * 2 TTL level serial ports
>     * mini-B USB client <http://docwiki.gumstix.org/USB_client> socket
>
> This seems promising with regard to the GPIO lines, however when I look
> at
> http://gumstix.com/store/catalog/product_info.php?cPath=31&products_id=158
> I see "Audio in/out, USB client, 4 GPIO".  Implying that only 4 GPIO
> lines are available.
>
> So, which board should I get for getting access to the GPIO lines?
> Specifically, I a board which can provide me with 8 (or more) GPIO lines
> available from the same 32 bit register.  I also need a serial port to
> connect to a PC, along with ethernet and USB client.  This should then
> plug into a 400MHz motherboard.
>
> Any help?
>
> Thanks
>
> David
>
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-- 
    -Jesse W.