SCU Service Request Mask
| PRWARN | WDT pre-warning Interrupt Mask |
| VDDPI | VDDP pre-warning Interrupt Mask |
| VDROPI | VDROP Interrupt Mask |
| LOCI | Loss of Clock Interrupt Mask |
| PESRAMI | 16kbytes SRAM Parity Error Interrupt Mask |
| PEU0I | USIC0 SRAM Parity Error Interrupt Mask |
| FLECC2I | Flash Double Bit ECC Interrupt Mask |
| VCLIPI | VCLIP Interrupt Mask |
| SBYCLKFI | Standby Clock Failure Interrupt Mask |
| RTC_CTR | RTC CTR Mirror Register Update Mask |
| RTC_ATIM0 | RTC ATIM0 Mirror Register Update Mask |
| RTC_ATIM1 | RTC ATIM1 Mirror Register Update Mask |
| RTC_TIM0 | RTC TIM0 Mirror Register Update Mask |
| RTC_TIM1 | RTC TIM1 Mirror Register Update Mask |
| TSE_DONE | TSE Measurement Done Interrupt Mask |
| TSE_HIGH | TSE Compare High Temperature Interrupt Mask |
| TSE_LOW | TSE Compare Low Temperature Interrupt Mask |