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16F87x LVP using JTAG?

 
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Thomas Blake



Joined: 18 Jan 2004
Posts: 22
Location: Burbank CA

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16F87x LVP using JTAG?
PostPosted: Thu Mar 11, 2004 11:34 am     Reply with quote
I'm mixing micros and FPGAs and wonder if anybody has actually managed to make a 16F873/4/6/7 sit in a JTAG chain for flash programming by an external box? Specifically - how do you handle TDO for chaining??

TIA.
asjad



Joined: 09 Mar 2004
Posts: 52
Location: Greater Manchester - UK

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PostPosted: Fri Mar 12, 2004 9:05 am     Reply with quote
I think that you need to explain a bit more, to get a reply


JTAG???

chain??

External??

You cannot automatically assume thast everyone will know about these
words

explain it in more words
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dyeatman



Joined: 06 Sep 2003
Posts: 1912
Location: Norman, OK

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JTAG Info
PostPosted: Fri Mar 12, 2004 2:46 pm     Reply with quote
JTAG stands for Joint Test Action Group
TDO is the Test Data Out line

A lot of info on JTAG can be found at:

http://www.xjtag.com/jtag.htm
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