| Periph ID AIC | Symbol | Description |
|---|---|---|
| 1 | (AT91C_ID_SYS) | System Controller |
| Function | Description |
|---|---|
| AT91F_SHDWC_CfgPMC | Enable Peripheral clock in PMC for SHDWC |
| Offset | Field | Description |
|---|---|---|
| 0x0 | SHDWC_SHCR | Shut Down Control Register |
| 0x4 | SHDWC_SHMR | Shut Down Mode Register |
| 0x8 | SHDWC_SHSR | Shut Down Status Register |
| Offset | Name | Description |
|---|---|---|
| 0 | SHDWC_SHDW AT91C_SHDWC_SHDW | Processor Reset 0 = No effect. 1 = If KEY is correct, asserts the SHDW pin. |
| 31..24 | SHDWC_KEY AT91C_SHDWC_KEY | Shut down KEY Password Should be written at value 0xA5. |
| Offset | Name | Description | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1..0 | SHDWC_WKMODE0 AT91C_SHDWC_WKMODE0 | Wake Up 0 Mode Selection
| |||||||||||||||
| 7..4 | SHDWC_CPTWK0 AT91C_SHDWC_CPTWK0 | Counter On Wake Up 0 Defines the number of 16 slow clock cycles, the level detection on the corresponding input pin shall last before the wake up event occurs. | |||||||||||||||
| 9..8 | SHDWC_WKMODE1 AT91C_SHDWC_WKMODE1 | Wake Up 1 Mode Selection
| |||||||||||||||
| 15..12 | SHDWC_CPTWK1 AT91C_SHDWC_CPTWK1 | Counter On Wake Up 1 Defines the number of 16 slow clock cycles, the level detection on the corresponding input pin shall last before the wake up event occurs. | |||||||||||||||
| 16 | SHDWC_RTTWKEN AT91C_SHDWC_RTTWKEN | Real Time Timer Wake Up Enable 0 = The RTT alarm signal has no effect on the shut down controller. 1 = The RTT alarm signal forces the de-assertion of the SHDW pin. | |||||||||||||||
| 17 | SHDWC_RTCWKEN AT91C_SHDWC_RTCWKEN | Real Time Clock Wake Up Enable 0 = The RTC alarm signal has no effect on the shut down controller. 1 = The RTC alarm signal forces the de-assertion of the SHDW pin. |
| Offset | Name | Description |
|---|---|---|
| 0 | SHDWC_WAKEUP0 AT91C_SHDWC_WAKEUP0 | Wake Up 0 Status 0 = No Wake Up event occured on the corresponding Wake Up input since the last read of SHDWC_SR. 1 = At least one Wake Up event occured on the corresponding Wake Up input since the last read of SHDWC_SR. |
| 1 | SHDWC_WAKEUP1 AT91C_SHDWC_WAKEUP1 | Wake Up 1 Status 0 = No Wake Up event occured on the corresponding Wake Up input since the last read of SHDWC_SR. 1 = At least one Wake Up event occured on the corresponding Wake Up input since the last read of SHDWC_SR. |
| 2 | SHDWC_FWKUP AT91C_SHDWC_FWKUP | Force Wake Up Status 0 = No Wake Up event occured on the Force Wake Up input since the last read of SHDWC_SR. 1 = At least one Wake Up event occured on the Force Wake Up input since the last read of SHDWC_SR. |
| 16 | SHDWC_RTTWK AT91C_SHDWC_RTTWK | Real Time Timer wake Up 0 = No Wake Up alarm from the RTT occured since the last read of SHDWC_SR. 1 = At least one Wake Up alarm from the RTT occured since the last read of SHDWC_SR. |
| 17 | SHDWC_RTCWK AT91C_SHDWC_RTCWK | Real Time Clock wake Up 0 = No Wake Up alarm from the RTC occured since the last read of SHDWC_SR. 1 = At least one Wake Up alarm from the RTC occured since the last read of SHDWC_SR. |