CONF=NONE
Battery Backup Power Switch
| CONF | Battery Backup Configuration 0 (NONE): The backup domain is always supplied by main power 1 (APWS): The power switch is handled by the automatic power switch 2 (FORCED): The backup domain is always supplied by battery backup power 3 (BOD33): The power switch is handled by the BOD33  |  
| WAKEEN | Wake Enable  |  
| PSOKEN | Power Supply OK Enable  |