Programmable Devices
CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers
Announcements
FPGA community forums and blogs on community.intel.com are migrating to the new Altera Community and are read-only. For urgent support needs during this transition, please visit the FPGA Design Resources page or contact an Altera Authorized Distributor.
21615 Discussions

Configure GPIO pins on DE0-Nano for I2C

Altera_Forum
Honored Contributor II
‎08-06-2015 05:55 PM
2,817 Views

Hi I'm new to FPGA and I'm trying to use I2C on DE0-Nano. However, there's no I2C I/O pins on the board and I'm wondering if I can configure the I/O pins for this purpose. I have a PICKit serial analyzer for I2C and I want to use my PC as master. If we can access I2C externally, how can I do that? Thank you!

0 Kudos

Link Copied

1 Reply
Altera_Forum
Honored Contributor II
‎08-11-2015 09:58 AM
1,860 Views

Yes, you can use the FPGA as an I2C slave (or master). You can configure one (or more) FPGA pins such that they can be input or output signals, as required for I2C. This behavior is all captured in your design. 

 

Have a look at this link (http://www.fpga4fun.com/i2c_2.html) that discussed an I2C slave implementation for an FPGA. I don't think it's a fantastic example but I'm sure it's enough to get you thinking. 

 

Cheers, 

Alex
0 Kudos
Copy link
Reply

Community support is provided Monday to Friday. Other contact methods are available here.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

For more complete information about compiler optimizations, see our Optimization Notice.