
AT32F413
Series Reference Manual
2022.06.27
Page 93
Rev 2.00
7.3.2
IOMUX remap register (IOMUX_REMAP)
Bit
Register
Reset value
Type
Description
Bit 31
SPI1_MUX
0x0
rw
SPI1 IO multiplexing
Refer to bit 0 for more details.
Bit 30: 27 Reserved
0x0
resd
Kept at its default value.
Bit 26: 24 SWJTAG_MUX
0x0
rw
SWD JTAG mutiplexing
These bits are used to configure SWJTGA-related I/Os as
GPIOs.
000: Supports SWD and JTAG. All SWJTAG pins cannot
be used as GPIOs.
001: Supports SWD and JTAG. NJTRST is disabled. PB4
can be used as GPIO.
010: Supports SWD but JTAG is disabled. PA15/PB3/PB4
can be used as GPIOs.
100: SWD and JTAG are disabled. All SWJTAG pins can
be used as GPIOs.
Others: No effect.
Bit 23: 21 Reserved
0x0
resd
Kept at its default value.
Bit 20
ADC2_ETO_MUX
0x0
rw
ADC2 external trigger ordinary conversion multiplexing
Select external trigger input for ADC2 ordinary conversion.
0: ADC2 external trigger ordinary conversion is connected
to EXINT11
1: ADC2 external trigger ordinary conversion is connected
to TMR8_TRGO
Bit 19
ADC2_ETP_MUX
0x0
rw
ADC2 external trigger preempted conversion mutiplexing
Select external trigger input for ADC2 preempted
conversion.
0: ADC2 external trigger preempted conversion is
connected to EXINT15.
1: ADC2 external trigger preempted conversion to TMR8
channel 4.
Bit 18
ADC1_ETO_MUX
0x0
rw
ADC1 external trigger regular conversion mutiplexing
Select external trigger input for ADC1 ordinary
conversion.
0: ADC1 external trigger ordinary conversion is
connected to EXINT11.
1: ADC1 external trigger ordinary conversion
TMR8_TRGO.
Bit 17
ADC1_ETP_MUX
0x0
rw
ADC1 external trigger preempted conversion multiplexing
Select external trigger input for ADC1 preempted
conversion.
0: ADC1 external trigger preempted conversion is
connected to EXINT15.
1: ADC1 external trigger preempted conversion is
connected to TMR8 channel 4.
Bit 16
TMR5CH4_MUX
0x0
rw
TMR5 channel4 multiplexing
Select internal map for TMR5 channel 4.
0: TMR5_CH4 is connected to PA3.
1: TMR5_CH4 is connected to LICK. LICK can be
calibrated.
Bit 15
PD01_MUX
0x0
rw
PD0/PD1 mapped on HEXT_IN / HEXT_OUT
Select GPIO function map for PD0 and PD1.
This is only applicable to 48-pin/64-pin packages.
0: Not PD0 and PD1 mapping
1: PD0 is mapped to HEXT_IN, while PD1 to HEXT_OUT.