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Altera_Forum
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12 years ago

Do NOT use AN502 SMBUS Altera IPCORE

Hi all, Beware of using this SMBUS protocol published at Altera website! I've spent 2 months on trying to implement and use this core. It has a lot of bugs, the manual is by all means differe...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I didn't realise someone had ported the I2C core from opencores already, I did my own port + qsys wrapper for our boards Altera based boards. Core has worked well, you just have to watch the sign of the enable bit for the tristate driver when wiring it up. Shouldn't take 2 months to figure that out through! A day to integrate, few hours in signal tap and you should have it running. Usage isn't bad, it's a few hundred registers. Sure it can be improved but at that better to just move on.