3.3.3. Interrupt Interface
The IP core asserts irq during the following events:
|3'b011||The IP core detects an incompatible bitstream.|
|3'b101||The result of a successful PR operation.|
After irq asserts, the host performs one or more of the following:
- Query for the status of the PR IP core; PR_CSR[4:2].
- Carry out some action, such as error reporting.
- Once the interrupt is serviced, clear the interrupt by writing a "1" to PR_CSR.
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