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Altera_Forum's avatar
Altera_Forum
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12 years ago

Usage of dual purpose pins

Hello, I have a question how to use configuration pins as dual purpose pins. For example: I have connected an EPCS flash-device to a Cyclone III devices connected to the DCLOCK-, SCE-, SDO-, ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Hi Cris,

Thank for taking the time to reply.

The reason why I want to use the EPCS pins as regular pin's after configuration is that I just need a few additional I/O-pin's.

Because the EPCS pin's are only needed as EPCS functionality during configuration I hoped that I could use these pin's as normal I/O-pin's after configuration.

I understand from your answer that this is possible but that I need to be careful to avoid signal contention.

Best regards,

Wamor