Datasheet

31.20.18 PMC Fast Startup Mode Register
Name: PMC_FSMR
Offset: 0x0070
Reset: 0x00000000
Property: Read/Write
This register can only be written if the WPEN bit is cleared in the PMC W
rite Protection Mode Register.
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 USBAL RTCAL RTTAL
Access
Reset 0 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8
FSTT15 FSTT14 FSTT13 FSTT12 FSTT11 FSTT10 FSTT9 FSTT8
Access
Reset 0 0 0 0 0 0 0 0
Bit 7 6 5 4 3 2 1 0
FSTT7 FSTT6 FSTT5 FSTT4 FSTT3 FSTT2 FSTT1 FSTT0
Access
Reset 0 0 0 0 0 0 0 0
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 18 – USBAL USB Alarm Enable
Value Description
0
The USB alarm has no effect on the PMC.
1
The USB alarm enables a fast restart signal to the PMC.
Bit 17 – RTCAL R
TC Alarm Enable
Value Description
0
The RTC alarm has no effect on the PMC.
1
The RTC alarm enables a fast restart signal to the PMC.
SAM E70/S70/V70/V71 Family
Power Management Controller (PMC)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 285