Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Routing HPS I2C thru FPGA Not Working

Hi I followed Altera's guide AN706 (link below) to route HPS' I2C0 port through the FPGA on the Cyclone V Arrow SoCKit. I included the ALT_IOBUFF buffer as instructed by AN706 guide. But it's n...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I am currently using Quartus 15.1.

What I am confused about is, that the outgoing direction seems to work since i get the correct output from the HPS to FPGA.

The only problem is, that the ack is somehow not detected by the HPS.