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Altera_Forum
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13 years ago

I2C interafce on DE1 board

Hi, I'm trying to use the I2C opencore provided by the alterawiki with an Altera DE1 board. I am using Quartus 11 and SOPC builder and I am able to create a SOC system with a NIOS II processo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

After some testing I noticed that the I2C core works well only if I assign, in quartus, the pins of I2C clock and data on PINA3 and PINB3 that are connected on the audio codec device installed on the DE1 board. Is there a way to redirect the signals on two pins of the board expansion header? If in quartus I put them on GPIO pin the result don't change.