Controls and provides status information for NMI, PendSV, SysTick and interrupts
| VECTACTIVE | The exception number of the current executing exception |
| RETTOBASE | In Handler mode, indicates whether there is more than one active exception |
| VECTPENDING | The exception number of the highest priority pending and enabled interrupt |
| ISRPENDING | Indicates whether an external interrupt, generated by the NVIC, is pending |
| ISRPREEMPT | Indicates whether a pending exception will be serviced on exit from debug halt state |
| STTNS | Controls whether in a single SysTick implementation, the SysTick is Secure or Non-secure |
| PENDSTCLR | Allows the SysTick exception pend state to be cleared `FTSSS |
| PENDSTSET | Indicates whether the SysTick `FTSSS exception is pending |
| PENDSVCLR | Allows the PendSV exception pend state to be cleared `FTSSS |
| PENDSVSET | Indicates whether the PendSV `FTSSS exception is pending |
| PENDNMICLR | Allows the NMI exception pend state to be cleared |
| PENDNMISET | Indicates whether the NMI exception is pending |