Datasheet

 2017 Microchip Technology Inc. DS60001516A-page 117
SAM9G20
17.6.3 Shutdown Status Register
Name:SHDW_SR
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.
RTTWK: Real-time Timer Wake-up
0: No wake-up alarm from the RTT occurred since the last read of SHDW_SR.
1: At least one wake-up alarm from the RTT occurred since the last read of SHDW_SR.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
–––––––RTTWK
15 14 13 12 11 10 9 8
––––––––
76543210
–––––––WAKEUP0