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Altera_Forum
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12 years ago

Design working in simulation not on real device

Hi, I am trying to design my own implementation of I2C on a Cyclone II EP2C5T144 The design works in simulation but once programmed on the chip, it acts strangely, only a few bits are tran...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Hi,

Future state determination is asynchronous as well as the output process. I think that the issue is tied to "index" variable because if instead of decrementing it I set it to a known value, the simulation does not stop. This variable is decremented in the future state determination block.