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Altera_Forum
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14 years ago

JTAG Programing Cyclone III device

Hello, I`m new in developing boards with Altera, thus i tried to develop the simplest design: just Cyclone III, and a few leds. I`m going to program it with Usb blaster via JTAG, but when ...
Altera_Forum's avatar
Altera_Forum
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14 years ago

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nStatus and CONF_DONE need to be connected to Vccio of the bank they belong to. I see all the Vccios are either 3.3 or 1.2, not 2.5. Could this be a problem?

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As far as I see, the schematic is reproducing the device manual suggestion for JTAG voltages, except fot this two pull-ups. But I don't expect a problem.

I guess, it's a more baisc problem. How about the ground connection of the exposed pad?