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AT32F413
Series Reference Manual
2022.06.27
Page 60
Rev 2.00
10: LICK
11: HEXT/128
Bit 7: 3
Reserved
0x00
resd
Kept at its default value.
Bit 2
LEXTBYPS
0x0
rw
Low speed external crystal bypass
0: Disabled
1: Enabled
Bit 1
LEXTSTBL
0x0
ro
Low speed external oscillator stable
Set by hardware after the LEXT is ready.
0: LEXT is not ready.
1: LEXT is ready.
Bit 0
LEXTEN
0x0
rw
External low-speed oscillator enable
0: Disabled
1: Enabled
4.3.10 Control/status register (CRM_CTRLSTS)
Reset flag can only be cleared by a system reset, while others are cleared by a power reset or writing
RSTFC bit.
Accessible: 0 to 3 wait states, word, half-word and byte. Wait states are inserted in the case of
consecutive accesses to this register.
Bit
Name
Reset value
Type
Description
Bit 31
LPRSTF
0x0
ro
Low-power reset flag
Sety by hardware. Cleared by writing to the RSTFC bit.
0: No low-power reset occurs
1: Low-power reset occurs
Bit 30
WWDTRSTF
0x0
ro
Window watchdogtimer reset flag
Sety by hardware. Cleared by writing to the RSTFC bit.
0: No window watchdogtimer reset occurs
1: Window watchdogtimer reset occurs
Bit 29
WDTRSTF
0x0
ro
Watchdog timer reset flag
Sety by hardware. Cleared by writing to the RSTFC bit.
0: No watchdog timer reset occurs
1: Watchdog timer reset occurs.
Bit 28
SWRSTF
0x0
ro
Software reset flag
Sety by hardware. Cleared by writing to the RSTFC bit.
0: No software reset occurs
1: Software reset occurs.
Bit 27
PORRSTF
0x1
ro
POR/LVR reset flag
Sety by hardware. Cleared by writing to the RSTFC bit.
0: No POR/LVR reset occurs
1: POR/LVR reset occurs.
Bit 26
NRSTF
0x1
rw
NRST pin reset flag
Sety by hardware. Cleared by writing to the RSTFC bit.
0: No NRST pin reset occurs
1: NRST pin reset occurs
Bit 25
Reserved
0x0
resd
Kept at its default value.
Bit 24
RSTFC
0x0
rw
Reset flag clear
Cleared by writing 1 through software.
0: No effect
1: Clear the reset flag.
Bit 23: 2 Reserved
0X00000
resd
Kept at its default value.
Bit 1
LICKSTBL
0x0
ro
LICK stable
0: LICK is not ready.