The controller interrupts are latched into the OPSI.IRQ_Status register. The source for each interrupt is indicated in the following table.
| Interrupt | Bit | Interrupt Source | Description | ||||
|---|---|---|---|---|---|---|---|
| STIG | Direct | Indirect Non-DMA | Indirect DMA | Polling | |||
| IND_OP_DONE | 2 | ~ | ~ | Yes | Yes | ~ | Indirect operation complete |
| WPROT_ATTEMPT | 4 | Yes | Write protect access attempted | ||||
| ILLEGAL_ACCESS_DET | 5 | Illegal AHB interface access attempted | |||||
| IND_RD_SRAM_FULL | 12 | ~ | Yes | Indirect read partition overflow | |||
| POLL_EXP | 13 | ~ | ~ | ~ | ~ | Yes | Polling time period counter expired |
| STIG_REQ_RDY | 14 | Yes | ~ | ~ | ~ | ~ | |