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Altera_Forum
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8 years ago

MAX 10 FPGA power-on/configuration error

I have a custom board with a 10M25SAE144xxx part that I am trying to bring up, but the device seems to be failing configuration at power-on. This is a single-supply device, and power is applied thro...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

CONF_DONE won't go high until you've successfully configured the device.

IIRC, without a valid image in the flash you'll see nSTATUS go high after the PoR time, and then go low again when the config fails (assuming nCONFIG is high so as to allow the configuration to start). Possibly with a completely blank device it's so quick you can't see it - I'll try to have a look next time I have a blank device on hand.