4 shutdown status register – Rainbow Electronics AT91CAP9S250A User Manual

Page 125

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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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RTTWK

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1

0

WAKEUP0

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