NMIPENDSET=0, PENDSVSET=0, PENDSVCLR=0, PENDSTSET=0, PENDSTCLR=0
Interrupt Control and State Register
| VECTPENDING | Exception number of the highest priority pending enabled exception |
| PENDSTCLR | SysTick exception clear-pending bit 0 (0): no effect 1 (1): removes the pending state from the SysTick exception |
| PENDSTSET | SysTick exception set-pending bit 0 (0): write: no effect; read: SysTick exception is not pending 1 (1): write: changes SysTick exception state to pending; read: SysTick exception is pending |
| PENDSVCLR | PendSV clear-pending bit 0 (0): no effect 1 (1): removes the pending state from the PendSV exception |
| PENDSVSET | PendSV set-pending bit 0 (0): write: no effect; read: PendSV exception is not pending 1 (1): write: changes PendSV exception state to pending; read: PendSV exception is pending |
| NMIPENDSET | NMI set-pending bit 0 (0): write: no effect; read: NMI exception is not pending 1 (1): write: changes NMI exception state to pending; read: NMI exception is pending |