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Altera_Forum
Honored Contributor
15 years agoThanks 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/