pub type R = R<CRrs>;
Register CR reader
CR
struct R { /* private fields */ }
Bit 0 - Low-power deep sleep
Bit 1 - Power down deepsleep
Bit 2 - Clear wakeup flag
Bit 3 - Clear standby flag
Bit 4 - Power voltage detector enable
Bits 5:7 - PVD level selection
Bit 8 - Disable backup domain write protection