Receiver interrupt request
| TRIGGER | N/A |
| NOT_EMPTY | N/A |
| FULL | N/A |
| OVERFLOW | N/A |
| UNDERFLOW | N/A |
| BLOCKED | SW cannot get access to the EZ memory (EZ_DATA accesses), due to an externally clocked EZ access. This may happen when STATUS.EC_BUSY is ‘1’. |
| FRAME_ERROR | N/A |
| PARITY_ERROR | N/A |
| BAUD_DETECT | N/A |
| BREAK_DETECT | N/A |