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) | 
| EPMISMSK | Endpoint Mismatch 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 only) | 
| 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) |