4 shutdown status register – Rainbow Electronics AT91CAP9S250A User Manual
Page 125
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125
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
19.6.4
Shutdown Status Register
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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24
–
–
–
–
–
–
–
–
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22
21
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17
16
–
–
–
–
–
–
–
RTTWK
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10
9
8
–
–
–
–
–
–
–
–
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3
2
1
0
–
–
–
–
–
–
–
WAKEUP0
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