Datasheet

492
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
28.2.16.18PMC Fast Start-up Mode Register
Name: PMC_FSMR
Address: 0x400E0470
Access: Read-write
This register can only be written if the WPEN bit is cleared in “PMC Write Protect Mode Register” .
• FSTT0 - FSTT15: Fast Start-up Input Enable 0 to 15
0 = The corresponding wake-up input has no effect on the Power Management Controller.
1 = The corresponding wake-up input enables a fast restart signal to the Power Management Controller.
• RTTAL: RTT Alarm Enable
0 = The RTT alarm has no effect on the Power Management Controller.
1 = The RTT alarm enables a fast restart signal to the Power Management Controller.
• RTCAL: RTC Alarm Enable
0 = The RTC alarm has no effect on the Power Management Controller.
1 = The RTC alarm enables a fast restart signal to the Power Management Controller.
• USBAL: USB Alarm Enable
0 = The USB alarm has no effect on the Power Management Controller.
1 = The USB alarm enables a fast restart signal to the Power Management Controller.
• LPM: Low Power Mode
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 to enter in Wait Mode.
• FLPM: Flash Low Power Mode
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
– FLPM LPM – USBAL RTCAL RTTAL
15 14 13 12 11 10 9 8
FSTT15 FSTT14 FSTT13 FSTT12 FSTT11 FSTT10 FSTT9 FSTT8
76543210
FSTT7 FSTT6 FSTT5 FSTT4 FSTT3 FSTT2 FSTT1 FSTT0
Value Name Description
0 FLASH_STANDBY Flash is in Standby Mode when system enters Wait Mode
1 FLASH_DEEP_POWERDOWN Flash is in deep power down mode when system enters Wait Mode
2 FLASH_IDLE idle mode