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Altera_Forum
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9 years ago

JTAG Programming successfull but no effect at the ouput

I am using a Cyclone III EP3C120F484 device for my custom board. When I connect the USB Blaster and run the JTAG programmer in Quartus, the programming is done with no error. The code is just writt...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

1) Are all your power pins connected? Are they all at the correct voltages?

2) Are all the MSEL pins connected directly to GND or VCCA?

3) Is nCONFIG pulled up?

4) Are you sure you're using the right programming file? You said the "programming is done with no error". However, I've never known the Quartus programmer to indicate everything is OK when the device hasn't actually been programmed. Can you check this again?

Cheers,

Alex