Forum Discussion

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

Access I2C Bus Internally and Externally on DE0-Nano

I just started playing with my DE0-Nano and have ran into an unexpected problem. I have a fair amount of experience with I2C and no experience at all with SPI so I was planning on accessing the Accel...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

You can't connect two pairs of I2C bus pins bidrectionally, but you can of course connect a multiplexer at a point, where you have access to the (FPGA internal) undirectional I2C signals.