If an RPD file contains only configuration data, why does Quartus generate differing RPD files for EPCQ and EPCQA devices? Shouldn't they be identical?

Hi Vikas,

I have tried your suggestion and unfortunately, it does not work. Here is my test:

1. Create a JIC file for EPCS128.
2. Create a JIC file for EPCQ128.
3. Create a JIC file for EPCQ128A.

Next:

1. Program an EPCQ128A part using each of the three files above - result: 1 and 3 worked.
2. Program an EPCQ128 part using each of the three files above - result: only #2 worked.

A file comparison shows that the resulting JIC files for the EPCS128 and the EPCQ128A are identical; the EPCQ128 file is different.

Yet, AN-822 says that with ID Check off, I can migrate from EPCS to EPCQ. I have not found this to be true.

Further, AN-822 says I can migrate from EPCQ to EPCQ-A. I have also found this to be not true.

Can you clarify the contents of AN-822 for the above test cases?

Thank and regards.

Mark