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Altera_Forum
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16 years ago

Opencores I2C adapted to Avalon for NIOS-II 9.0

Dear all, I found a link in NiosWiki to download the opencores I2C controller adapted to Avalon (nioswiki.com >> Peripherals >> Opencores_I2c). But this is available only for the NIOS-II 9.1. ...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Thanks for the link. I was adapting an old NIOS-II 9.0 project to NIOS-II 9.1 and got this error message when generating with SOPC Builder :

　

Error: i2c: More than one port in i2c:avalon_slave_0 has role chipselect

The version at http://www.nioswiki.com/perihperals/opencores_i2c fixes the problem.

　

If you are still looking for the I2C Controller for NIOS-II 9.0 I got mine from

http://www.opencores.org/projects/i2c/