Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK データシート
製品コード
AT91SAM9N12-EK
161
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
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 WKUP0 input since the last read of SHDW_SR.
1: At least one wake-up event occurred on WKUP0 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
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
WAKEUP0