Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Programming Problem

Hello, I'm having a curious problem programming my Cyclone III FPGA over JTAG. Everything was working fine until a couple days ago. Now, when I load a design via JTAG, Quartus claims the prog...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Once I had a similar problem, the fpga were going to reconfigure itself from EPCS "AFTER" I uploaded the program to Nios and so, all the pins were Z.

at my situation the problem was hiding in SOPC configuration. try to recreate your SOPC and see what happens.