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Altera_Forum
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15 years ago

pin assignment error

After compiling SOPC ( device EP2C8Q208C8 ) , NSDO , NSCE AND DCLK (epcs_flash_controller) are generated so I assign pin 1 to NSDO , pin 2 to NSCE and pin 21 to DCLK . Under Quartus v11.0 there are 2...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I didn't see that you had a Cyclone II. In that case you shouldn't have any pins outside of the EPCS flash controller, they should automatically be routed internally to the EPCS flash. Are you sure that your SOPC project is also targetted for a Cyclone II, and not a Cyclone III/IV? The pins outside of the EPCS controller should only appear with those later Cyclone FPGAs.