Forum Discussion
Altera_Forum
Honored Contributor
15 years agoThis message means that the target processor didn't go into debug mode when it was asked to. The most common reasons for this are:
- You did not close timing on the hardware correctly. If Quartus give you any critical warnings or worse then fix them
- Your clock is not running
- Your reset is permanently asserted
- The instruction or data bus attached to the processor has locked up because of a bad slave