PWRC_IER register
| BORH_IE | BORH_IE: BORH interrupt enable. 0: BORH interrupt is disabled. 1: BORH interrupt is enabled. | 
| PVD_IE | PVD_IE: Programmable Voltage Detector interrupt enable. 0: PVD interrupt is disabled. 1: PVD interrupt is enabled. | 
| WKUP_IE | WKUP_IE: Power Controller Wakeup event interrupt enable. 0: Interrupt on wakeup event seen by the PWRC is disabled. 1: Interrupt on wakeup event seen by the PWRC is enabled. |