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AT32F413
Series Reference Manual
2022.06.27
Page 92
Rev 2.00
7.3 IOMUX registers
shows IOMUX register map and their reset values, These peripheral registers must be
accessed by words (32 bits).
Table 7-5
IOMUX register map and reset value
Register
Offset
Reset value
IOMUX_EVTOUT
0x00
0x0000 0000
IOMUX_REMAP
0x04
0x0000 0000
IOMUX_EXINTC1
0x08
0x0000
IOMUX_EXINTC2
0x0C
0x0000
IOMUX_EXINTC3
0x10
0x0000
IOMUX_EXINTC4
0x14
0x0000
IOMUX_REMAP2
0x1C
0x0000 0000
IOMUX_REMAP3
0x20
0x0000 0000
IOMUX_REMAP4
0x24
0x0000 0000
IOMUX_REMAP5
0x28
0x0000 0000
IOMUX_REMAP6
0x2C
0x0000 0000
IOMUX_REMAP7
0x30
0x0000 0000
IOMUX_REMAP8
0x34
0x0000 0000
Note: IOMUX clock must be enabled before read/write access to IOMUX_EVTOUT, IOMUX_REMAPx
and IOMUX_EXINTx.
7.3.1
Event output control register (IOMUX_EVTOUT)
Bit
Register
Reset value
Type
Description
Bit 31: 8
Reserved
0x000000
resd
Kept at its default value.
Bit 7
EVOEN
0x0
rw
Event output enable
Once enabled, the EVENTOUT signal of Cortex-M is
directed to the allocated I/O port.
Bit 6: 4
SELPORT
0x0
rw
Selection IO port
Select the GPIO port for EVENTOUT signal output:
000: GPIOA
001: GPIOB
010: GPIOC
011: GPIOD
100: GPIOF
Bit 3: 0
SELPIN
0x0
rw
Selection IO pin (x=A…E)
Select the I/O pin of GPIOx for EVENTOUT output:
0000: Pin 0 0001: Pin 1
0010: Pin 2 0011: Pin 3
0100: Pin 4 0101: Pin 5
0110: Pin 6 0111: Pin 7
1000: Pin 8 1001: Pin 9
1010: Pin 10 1011: Pin 11
1100: Pin 12 1101: Pin 13
1110: Pin 14 1111: Pin 15