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458 Views
Registered: ‎01-04-2017

XC95144XL JTAG Half Working

I have a XC95144XL CPLD in a system.  I am using Impact JTAG to communicate with it. The JTAG works fine for device ID, erase, and blank check.  The JTAG does not work for checksum or PROGRAM.  

 

I am using an external supply for my AUX voltage on the JTAG pod.  Is is connected to board ground.

 

Any thoughts on why the JTAG is not working for PROGRAM when it supports other JTAG functions

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Moderator
Moderator
429 Views
Registered: ‎01-15-2008

Re: XC95144XL JTAG Half Working

hi,

 

can you provide the log from impact tool when the programming fails.

is the device bought from authorized distributors?

which programming cable are you using?

 

--Krishna

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