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Altera_Forum
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17 years ago

FPGA Configuration Problem

A strange one here. I'm trying to power up a Cyclone III EP3C10 in active serial mode, and even before the device tries to access the PROM it drives all I/O pins low and does not make any attempt at...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

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If it's an EQFP144 device, did you connect the enhanced pad to GND?

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I just saw that pad. No, it is not grounded, but I can set that up pretty easily. Altera really doesn't draw enough attention to that pad if not connecting it can kill the entire part.

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What are your MSEL pins set to?

Jake

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And how are the MSEL pins wired?

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MSEL[2:0] is 010, and the lines are tied direct to GND or +2.5