ARTERY AT32F421C8T7 - SCFG External Interrupt Configuration Register4 (SCFG_ EXINTC4)

AT32F421 Series Reference Manual
2022.11.11 Page 94 Rev 2.02
interrupt.
0000: PA[9]
0001: PB[9]
Bit 3: 0
EXINT8
0x0000
rw
EXINT8 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT8 external
interrupt.
0000: PA[8]
0001: PB[8]
7.2.5 SCFG external interrupt configuration register4 (SCFG_
EXINTC4)
Bit
Register
Reset value
Type
Description
Bit 31: 16
Reserved
0x0000
resd
Kept at its default value
Bit 15: 12
EXINT15
0x0000
rw
EXINT15 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT15 external
interrupt.
0000: PA[15]
0001: PB[15]
Bit 11: 8
EXINT14
0x0000
rw
EXINT14 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT14 external
interrupt.
0000: PA pin14
0001: GPIOB pin14
Bit 7:4
EXINT13
0x0000
rw
EXINT13 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT13 external
interrupt.
0000: PA [13]
0001: PB [13]
Bit 3: 0
EXINT12
0x0000
rw
EXINT12 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT12 external
interrupt.
0000: PA [12]
0001: PB [12]