ARTERY AT32F421C8T7 - SCFG External Interrupt Configuration Register2 (SCFG_ EXINTC2); SCFG External Interrupt Configuration Register3 (SCFG_ EXINTC3)

AT32F421 Series Reference Manual
2022.11.11 Page 93 Rev 2.02
7.2.3 SCFG external interrupt configuration register2 (SCFG_
EXINTC2)
Bit
Register
Reset value
Type
Description
Bit 31: 16
Reserved
0x0000
resd
Kept at its default value.
Bit 15: 12
EXINT7
0x0000
rw
EXINT7 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT7 external
interrupt.
0000: PA[7]
0001: PB[7]
0101: PF[7]
Bit 11: 8
EXINT6
0x0000
rw
EXINT6 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT6 external
interrupt.
0000: PA[6]
0001: PB[6]
0101: PF[6]
Bit 7: 4
EXINT5
0x0000
rw
EXINT5 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT5 external
interrupt.
0000: PA[5]
0001: PB[5]
Bit 3: 0
EXINT4
0x0000
rw
EXINT4 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT4 external
interrupt.
0000: PA[4]
0001: PB[4]
7.2.4 SCFG external interrupt configuration register3 (SCFG_
EXINTC3)
Bit
Register
Reset value
Type
Description
Bit 31: 16
Reserved
0x0000
resd
Kept at its default value.
Bit 15: 12
EXINT11
0x0000
rw
EXINT11 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT11 external
interrupt.
0000: PA[11]
0001: PB[11]
Bit 11: 8
EXINT10
0x0000
rw
EXINT10 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT10 external
interrupt.
0000: PA[10]
0001: PB[10]
Bit 7: 4
EXINT9
0x0000
rw
EXINT9 input source configuration
These bits can be read/written by software. They are
used to select the input source for the EXINT9 external