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Altera_Forum
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12 years ago

NIOS II memory writes failing - values being input at wrong addresses (I2C opencore)

Hi, I'm trying to integrate an I2C core from opencores to my Cyclone IV device. Apparently the version I'm using should just drop into the SOPC and work after being wired to some outputs (alter...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

The IOWR macro will bypass the Nios's cache so it should trigger a write to your component. If you still can't synchronize, could you show us which "write" signal you are using? Is it the one from your component's Avalon interface, or is it the internal one, inside the wrapper?