SRE=0, PCE=0, TIE1=0, SLE=0, UE=0, FRE=0, UEE=0, NAKE=0, URE=0, AAE=0, SEE=0, TIE0=0
USB Interrupt Enable Register
| UE | USB interrupt Enable 0 (0): Disabled 1 (1): Enabled |
| UEE | USB Error interrupt Enable 0 (0): Disabled 1 (1): Enabled |
| PCE | Port Change detect Enable 0 (0): Disabled 1 (1): Enabled |
| FRE | Frame list Rollover Enable 0 (0): Disabled 1 (1): Enabled |
| SEE | System Error Enable 0 (0): Disabled 1 (1): Enabled |
| AAE | Interrupt on Async advance Enable 0 (0): Disabled 1 (1): Enabled |
| URE | USB-Reset Enable 0 (0): Disabled 1 (1): Enabled |
| SRE | SOF-Received Enable 0 (0): Disabled 1 (1): Enabled |
| SLE | Sleep (DC suspend) Enable 0 (0): Disabled 1 (1): Enabled |
| ULPIE | ULPI Enable |
| NAKE | NAK Interrupt Enable 0 (0): Disabled 1 (1): Enabled |
| UAIE | USB host Asynchronous Interrupt Enable |
| UPIE | USB host Periodic Interrupt Enable |
| TIE0 | General purpose Timer 0 Interrupt Enable 0 (0): Disabled 1 (1): Enabled |
| TIE1 | General purpose Timer 1 Interrupt Enable 0 (0): Disabled 1 (1): Enabled |