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Altera_Forum
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18 years ago

Stratix III wierd JTAG Config problem

I've got 2 Stratix III devices in a JTAG chain. If I power the board, I can scan the chain OK and program repeatedly but as soon as I switch off the power and re-apply, JTAG no longer works. i...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Power supply issues? This is a strange one.

Can you power up the board and not program... then cycle power and program?

Try to see if the problem is dependent on the power cycle or the programming.