Re: [Gumstix-users] verdex 24pin & JTAG?

[John A. <jal...@sp...>]

Thanks, Gordon for the reply.  Yes, I see some definite benefits to the
connector.

Regarding the JTAG, do you use some kind of Jig to make contact with the
test points?  If so, is this a commercially available Jig, or something that
you had fabricated?

Thanks again,

John Alfredo

-----Original Message-----
From: gum...@li...
[mailto:gum...@li...] On Behalf Of Gordon
Kruberg
Sent: Friday, March 30, 2007 10:53 AM
To: General mailing list for gumstix users.
Subject: Re: [Gumstix-users] verdex 24pin & JTAG?

  We did the 24-pin flex connector to answer a bunch of issues:
1) being able to get a console while the motherboard is otherwise in use 
without the physical limitations of the tweener
2) USB Host
3) Battery for RTC
4) Daughtercards that need a flex connector (take a look at how many 
folks asked us, just on the mailing list, for a flex connector! I lost 
track)

One of the most exciting things for me is to look at the cost 
implications of being able to use the USB Host function to bring out 
ethernet (albeit not to 100Mbps) as well as USB Host and a few 
usb-derived serial ports on a daughtercard that needn't be in 
"sandwich-mode"

re: jtag-- no "ordiinary connector" just tset-points.

Gordon


> Does anybody know what the purpose of the 24pin connector is?
>
> Also, are the JTAG access points "touch points" only, requiring a jig, 
> or is there an ordinary connector for the JTAG signals?
>
> Thanks in advance,
>
> John Alfredo
>
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