Interrupt Mask Register
| MODEMISMSK | Mode Mismatch Interrupt Mask host and device |
| OTGINTMSK | OTG Interrupt Mask host and device |
| SOFMSK | Start of Frame Mask host and device |
| RXFLVLMSK | Receive FIFO Non-Empty Mask host and device |
| NPTXFEMPMSK | Non-Periodic TxFIFO Empty Mask host only |
| GINNAKEFFMSK | Global Non-periodic IN NAK Effective Mask device only |
| GOUTNAKEFFMSK | Global OUT NAK Effective Mask device only |
| ERLYSUSPMSK | Early Suspend Mask device only |
| USBSUSPMSK | USB Suspend Mask device only |
| USBRSTMSK | USB Reset Mask device only |
| ENUMDONEMSK | Enumeration Done Mask device only |
| ISOOUTDROPMSK | Isochronous OUT Packet Dropped Interrupt Mask device only |
| EOPFMSK | End of Periodic Frame Interrupt Mask device only |
| IEPINTMSK | IN Endpoints Interrupt Mask device only |
| OEPINTMSK | OUT Endpoints Interrupt Mask device only |
| INCOMPISOINMSK | Incomplete Isochronous IN Transfer Mask device only |
| INCOMPLPMSK | Incomplete Periodic Transfer Mask host and device |
| FETSUSPMSK | Data Fetch Suspended Mask device only |
| RESETDETMSK | Reset detected Interrupt Mask device only |
| PRTINTMSK | Host Port Interrupt Mask host only |
| HCHINTMSK | Host Channels Interrupt Mask host only |
| PTXFEMPMSK | Periodic TxFIFO Empty Mask host only |
| CONIDSTSCHNGMSK | Connector ID Status Change Mask host and device |
| DISCONNINTMSK | Disconnect Detected Interrupt Mask host and device |
| SESSREQINTMSK | Session Request/New Session Detected Interrupt Mask host and device |
| WKUPINTMSK | Resume/Remote Wakeup Detected Interrupt Mask host and device |