I3C event register
| CFEF | C-FIFO empty flag (whatever the I3C acts as controller) |
| TXFEF | TX-FIFO empty flag (whatever the I3C acts as controller/target) |
| CFNFF | C-FIFO not full flag (when the I3C acts as controller) |
| SFNEF | S-FIFO not empty flag (when the I3C acts as controller) |
| TXFNFF | TX-FIFO not full flag (whatever the I3C acts as controller/target) |
| RXFNEF | RX-FIFO not empty flag (whatever the I3C acts as controller/target) |
| TXLASTF | Last written data byte/word flag (whatever the I3C acts as controller/target) |
| RXLASTF | Last read data byte/word flag (when the I3C acts as controller) |
| FCF | Frame complete flag (whatever the I3C acts as controller/target) |
| RXTGTENDF | Target-initiated read end flag (when the I3C acts as controller) |
| ERRF | Flag (whatever the I3C acts as controller/target) |
| IBIF | IBI flag (when the I3C acts as controller) |
| IBIENDF | IBI end flag (when the I3C acts as target) |
| CRF | Controller-role request flag (when the I3C acts as controller) |
| CRUPDF | Controller-role update flag (when the I3C acts as target) |
| HJF | Hot-join flag (when the I3C acts as controller) |
| WKPF | Wake-up/missed start flag (when the I3C acts as target) |
| GETF | Get flag (when the I3C acts as target) |
| STAF | Get status flag (when the I3C acts as target) |
| DAUPDF | Dynamic address update flag (when the I3C acts as target) |
| MWLUPDF | Maximum write length update flag (when the I3C acts as target) |
| MRLUPDF | Maximum read length update flag (when the I3C acts as target) |
| RSTF | Reset pattern flag (when the I3C acts as target) |
| ASUPDF | Activity state update flag (when the I3C acts as target) |
| INTUPDF | Interrupt/controller-role/hot-join update flag (when the I3C acts as target) |
| DEFF | DEFTGTS flag (when the I3C acts as target) |
| GRPF | Group addressing flag (when the I3C acts as target) |