at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 122

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

18.6.3
Register Name: SHDW_SR
Access Type: 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.
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31
23
15
–
–
–
7
–
AT91SAM9G20 Preliminary
Shutdown Status Register
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
25
17
–
–
9
–
1
–
6384B–ATARM–15-Dec-08
WAKEUP0
24
16
–
–
8
–
0