Description
All I/O banks with the same VCCIO can share one OCT calibration block. If your design exceeds the maximum number of available blocks, you can try and direct the Quartus® II fitter to make a connection from the desired OCT calibration block to the specified pins as shown in the example below:
set_instance_assignment –name TERMINATION_CONTROL_BLOCK <desired OCT BLK> -to <pin name>