Table 10. Alternate Function Input/Output - STMicroelectronics STM32L162RC Manual

Alternate functions
AFIO0 AFIO1
Port
name
SYSTEM
BOOT0 BOOT0
NRST NRST
PA0-
- TIM2_CH1_ ETR
WKUP1
PA1 - TIM2_CH2
PA2 - TIM2_CH3
PA3 - TIM2_CH4
PA4 -
PA5 - TIM2_CH1_ETR
PA6 -
PA7 -
PA8 MCO
PA9 -
PA10 -
PA11 -
PA12 -
PA13 JTMS-SWDIO
PA14 JTCK-SWCLK
PA15 JTDI TIM2_CH1_ETR

Table 10. Alternate function input/output

Digital alternate function number
AFIO2 AFIO3
TIM9/
TIM2 TIM3/4/5
10/11
- - -
- - -
TIM5_CH1 -
TIM5_CH2 -
TIM5_CH3 TIM9_CH1
TIM5_CH4 TIM9_CH2
- - -
- -
- TIM3_CH1 TIM10_ CH1
- TIM3_CH2 TIM11_ CH1
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- -
AFIO4 AFIO5 AFIO6
Alternate function
I2C1/2 SPI1/2 SPI3 USART1/2/3
- - -
- - -
- - - USART2_CTS
- - - USART2_RTS
- - - USART2_TX
- - - USART2_RX
SPI3_NSS
- SPI1_NSS USART2_CK
I2S3_WS
- SPI1_SCK -
- SPI1_MISO -
- SPI1_MOSI -
- - - USART1_CK
- - - USART1_TX
- - - USART1_RX
- SPI1_MISO - USART1_CTS
- SPI1_MOSI - USART1_RTS
- - -
- - -
SPI3_NSS
- SPI1_NSS
I2S3_WS
. .
AFIO7 AFIO11 AFIO14
. .
LCD CPRI
- - -
- - -
- TIMx_IC1
SEG0 TIMx_IC2
SEG1 TIMx_IC3
SEG2 TIMx_IC4
- TIMx_IC1
- - TIMx_IC2
- SEG3 TIMx_IC3
- SEG4 TIMx_IC4
COM0 TIMx_IC1
COM1 TIMx_IC2
COM2 TIMx_IC3
- TIMx_IC4
- TIMx_IC1
- - TIMx_IC2
- - TIMx_IC3
- SEG17 TIMx_IC4
AFIO15
SYSTEM
EVENT OUT
-
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVENT OUT
EVEN TOUT
EVEN TOUT