Forum Discussion

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

Cyclone 3 I2C

Hi, I had a question about I2C on the Cyclone III. I have a design that uses some constants I would like to be able to change from a PC in real time. Is it possible to issue commands over the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

ok so you do have I2C access from a PC, cool. i've used both I2C and UART in the microcontroller world but only UART in FPGA. i haven't looked at the logic usage between the two protocols but i think that UART is simpler which is why i suggested it, along with most PCs being able to interface with it. you should be able to use I2C for your application.