Deep Standby Return Factor Register 2
| WRTCI | RTC interrupt return bit |
| WLVDI | LVD interrupt return bit |
| WUI0 | WKUP0 pin input return bit |
| WUI1 | WKUP1 pin input return bit |
| WUI2 | WKUP2 pin input return bit |
| WUI3 | WKUP3 pin input return bit |
| WUI4 | WKUP4 pin input return bit |
| WUI5 | WKUP5 pin input return bit |
| WCEC0I | CEC ch.0 interrupt return bit |
| WCEC1I | CEC ch.1 interrupt return bit |