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AT32F413
Series Reference Manual
2022.06.27
Page 44
Rev 2.00
3.7 PWC registers
The peripheral registers can be accessed by half-words (16 bits) or words (32 bits)
Table 3-1 PW register map and reset values
Register abbr.
Offset
Reset value
PWC_CTRL
0x00
0x0000 0000
PWC_CTRLSTS
0x04
0x0000 0000
3.7.1
Power control register (PWC_CTRL)
Bit
Name
Reset value
Type
Description
Bit 31: 9
Reserved
0x000000
resd
Kept at its default value.
Bit 8
BPWEN
0x0
rw
Battery powered domain write enable
0: Disabled
1: Enabled
Note:
After reset, the battery powered domain write access is
disabled. To write, this bit must be set.
Bit 7: 5
PVMSEL
0x0
rw
Power voltage monitoring boundary select
000: Unused, not configurable
001: 2.3 V
010: 2.4 V
011: 2.5 V
100: 2.6 V
101: 2.7 V
110: 2.8 V
111: 2.9 V
Bit 4
PVMEN
0x0
rw
Power voltage monitoring enable
0: Disabled
1: Enabled
Bit 3
CLSEF
0x0
wo
Clear SEF flag
0: No effect
1: Clear the SEF flag
Note: This bit is cleared by hardware after clearing the SEF
flag. Reading this bit at any time will return all zero.
Bit 2
CLSWEF
0x0
wo
Clear SWEF flag
0: No effect
1: Clear the SWEF flag
Note:
Clear the SWEF flag after two system clock cycles.
This bit is cleared by hardware after clearing the SWEF
flag. Reading this bit at any time will return all zero.
Bit 1
LPSEL
0x0
rw
Low power mode select in sleepdeep
0: Enter DEEPSLEEP mode
1: Enter Standby mode
Bit 0
Reserved
0x0
resd
Kept at its default value.