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Searching for 20 pin to 14 pin JTAG adapters.

 
 
Roberto Waltman
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      10-20-2011, 04:32 PM

Searching for a JTAG adapter to use a Segger J-Link (20 pin
connector) on a Pandaboard (14 pin "TI" connector.)

Found a few, from ~$70 to $100 or more, for what is basically two
connectors soldered back-to-back.

Would appreciate any pointers to something more sensibly priced.
(While getting ready to make my own.)

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Roberto Waltman

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hamilton
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      10-20-2011, 04:43 PM
On 10/20/2011 10:32 AM, Roberto Waltman wrote:
>
> Searching for a JTAG adapter to use a Segger J-Link (20 pin
> connector) on a Pandaboard (14 pin "TI" connector.)
>
> Found a few, from ~$70 to $100 or more, for what is basically two
> connectors soldered back-to-back.
>
> Would appreciate any pointers to something more sensibly priced.
> (While getting ready to make my own.)
>
> --
> Roberto Waltman
>
> [ Please reply to the group,
> return address is invalid ]


Please post here if you make your own.

I would be interested.

thanks

hamilton
 
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Roberto Waltman
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      10-20-2011, 04:56 PM
hamilton wrote:
> I wrote:
>> Searching for a JTAG adapter to use a Segger J-Link (20 pin
>> connector) on a Pandaboard (14 pin "TI" connector.)


>Please post here if you make your own.
>I would be interested.


It is not difficult, particularly if you don't care how it looks.
This is somebody else's 14-to-14 adapter:

http://www.flickr.com/photos/nishant...ol-705532@N22/

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linnix
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      10-20-2011, 07:56 PM
On Oct 20, 9:43*am, hamilton <(E-Mail Removed)> wrote:
> On 10/20/2011 10:32 AM, Roberto Waltman wrote:
>
>
>
> > Searching for a JTAG *adapter to use a Segger J-Link (20 pin
> > connector) on a Pandaboard (14 pin "TI" connector.)

>
> > Found a few, from ~$70 to $100 or more, for what is basically two
> > connectors soldered back-to-back.

>
> > Would appreciate any pointers to something more sensibly priced.
> > (While getting ready to make my own.)

>
> > --
> > Roberto Waltman

>
> > [ Please reply to the group,
> > * *return address is invalid ]

>
> Please post here if you make your own.


http://173.224.223.62/pic32/

My custom headers made from wire-wrap wires.

Stage 1: 6 pins to 5 pins keyed programming header
Stage 2: 3 pins power header
Stage 3: 3 wires direct connected to micro

As you can see, i get lazier over time.
 
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Anders.Montonen@kapsi.spam.stop.fi.invalid
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      10-20-2011, 08:00 PM
Roberto Waltman <(E-Mail Removed)> wrote:
> Searching for a JTAG adapter to use a Segger J-Link (20 pin
> connector) on a Pandaboard (14 pin "TI" connector.)


You can usually find pinout adapters on eBay (eg.
<http://tinyurl.com/6glc36f>). The downside is that you may have to spend
some time with a continuity tester to determine the pinouts of the
different connectors. The cables are also usually not included.

-a
 
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Roberto Waltman
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      10-20-2011, 08:17 PM
Anders.Montonen wrote:

>You can usually find pinout adapters on eBay ...


Thanks. I don't know why, I never think of eBay for this type of
products. (Although I use it all the time for other things.)

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Boudewijn Dijkstra
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      10-21-2011, 02:58 PM
Op Thu, 20 Oct 2011 18:32:22 +0200 schreef Roberto Waltman
<(E-Mail Removed)>:
> Searching for a JTAG adapter to use a Segger J-Link (20 pin
> connector) on a Pandaboard (14 pin "TI" connector.)
>
> Found a few, from ~$70 to $100 or more, for what is basically two
> connectors soldered back-to-back.
>
> Would appreciate any pointers to something more sensibly priced.
> (While getting ready to make my own.)


http://segger.com/jlink-adapters.html#TI



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Roberto Waltman
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      10-21-2011, 04:53 PM
"Boudewijn Dijkstra" wrote:

>http://segger.com/jlink-adapters.html#TI


Thanks, that's the first place I checked.
The issue is not availability, but price. (need a couple)
49 euros here: http://segger.com/pricelist-j-link-related.html ,
60 US dollars in leftpondia.
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langwadt@fonz.dk
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      10-27-2011, 09:00 PM
On 20 Okt., 18:32, Roberto Waltman <(E-Mail Removed)> wrote:
> Searching for a JTAG *adapter to use a Segger J-Link (20 pin
> connector) on a Pandaboard (14 pin "TI" connector.)
>
> Found a few, from ~$70 to $100 or more, for what is basically two
> connectors soldered back-to-back.
>
> Would appreciate any pointers to something more sensibly priced.
> (While getting ready to make my own.)
>
> --
> Roberto Waltman
>
> [ Please reply to the group,
> * return address is invalid ]


these two and a short piece of ribbon cable, swap wires around if
needed

http://dk.farnell.com/te-connectivit...way/dp/1098598
http://dk.farnell.com/te-connectivit...way/dp/3815791


-Lasse
 
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