Datasheet
159
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
18.7.3 Shutdown Status Register
Name: SHDW_SR
Address: 0xFFFFFE18
Access: Read-only
• WAKEUP0: Wake-up 0 Status
0 = No wake-up event occurred on the corresponding wake-up input since the last read of SHDW_SR.
1 = At least one wake-up event occurred on the corresponding wake-up input since the last read of SHDW_SR.
• RTCWK: Real-time Clock Wake-up
0 = No wake-up alarm from the RTC occurred since the last read of SHDW_SR.
1 = At least one wake-up alarm from the RTC occurred since the last read of SHDW_SR.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––RTCWK–
15 14 13 12 11 10 9 8
––––––––
76543210
–––––––WAKEUP0