Interrupt Status Register
| EP0INT | Endpoint 0 Interrupt Status |
| EP1INT | Endpoint 1 Interrupt Status |
| EP2INT | Endpoint 2 Interrupt Status |
| EP3INT | Endpoint 3 Interrupt Status |
| EP4INT | Endpoint 4 Interrupt Status |
| EP5INT | Endpoint 5 Interrupt Status |
| EP6INT | Endpoint 6 Interrupt Status |
| EP7INT | Endpoint 7Interrupt Status |
| RXSUSP | UDP Suspend Interrupt Status |
| RXRSM | UDP Resume Interrupt Status |
| EXTRSM | |
| SOFINT | Start of Frame Interrupt Status |
| ENDBUSRES | End of BUS Reset Interrupt Status |
| WAKEUP | UDP Resume Interrupt Status |