20.18.18 PMC Fast Start-up Mode Register
This register can only be written if the WPEN bit is cleared in the PMC Write Protection Mode Register.
| Name: | PMC_FSMR |
| Offset: | 0x0074 |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| FFLPM | FLPM[1:0] | LPM | SMAL | XTFA | RTCAL | RTTAL | |||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| Access | |||||||||
| Reset |
Bit 23 – FFLPM Force Flash Low-power Mode
| Value | Description |
|---|---|
| 0 | The Flash Low-power mode, defined in the FLPM field, is automatically applied when in Wait mode and released when going back to Active mode. |
| 1 | The Flash Low-power mode is user defined by the FLPM field and immediately applied. |
Bits 22:21 – FLPM[1:0] Flash Low-power Mode
| Value | Name | Description |
|---|---|---|
| 0 | FLASH_STANDBY | Flash is in Standby mode when system enters Wait mode |
| 1 | FLASH_DEEP_POWERDOWN | Flash is in Deep-Powerdown mode when system enters Wait mode |
| 2 | FLASH_IDLE | Idle mode |
Bit 20 – LPM Low Power Mode
| Value | Description |
|---|---|
| 0 | The WaitForInterrupt (WFI) or the WaitForEvent (WFE) instruction of the processor makes the processor enter Sleep mode. |
| 1 | The WaitForEvent (WFE) instruction of the processor makes the system enter Wait mode. |
Bit 19 – SMAL Supply Monitor Alarm Enable
| Value | Description |
|---|---|
| 0 | The supply monitor alarm has no effect on the PMC Core 0. |
| 1 | The supply monitor alarm enables a fast restart signal to the PMC Core 0. |
Bit 18 – XTFA 32KHz Crystal Failure Alarm Enable
| Value | Description |
|---|---|
| 0 | The 32KHz Crystal Failure alarm as no effect on the PMC Core 0. |
| 1 | The 32KHz Crystal Failure alarm enables a fast restart signal to the PMC Core 0. |
Bit 17 – RTCAL RTC Alarm Enable
| Value | Description |
|---|---|
| 0 | The RTC alarm has no effect on the PMC Core 0. |
| 1 | The RTC alarm enables a fast restart signal to the PMC Core 0. |
Bit 16 – RTTAL RTT Alarm Enable
| Value | Description |
|---|---|
| 0 | The RTT alarm has no effect on the PMC Core 0. |
| 1 | The RTT alarm enables a fast restart signal to the PMC Core 0. |