原创 Verify fast I/O register assignments in QuartusII

Q:

How to check if my fast I/O register assignments valid or not with QuartusII? As we know, If a register has not directly connection to I/O, then fast I/O register assignments to it will be ignored. But checking the code to affirm such a restriction is a little inconvenient. It's better if it can be checked with software.

A:

You can check the compilation report to verify whether the fast register assignments are implemented. The attached two screen-shots are for your reference.