Datasheet

Table Of Contents
STM32WLE5J8/JB/JC Pinouts, pin description and alternate functions
DS13105 Rev 4 53/135
Table 20. Alternate functions
Port
AF0 AF1 AF2 AF3 AF4 AF5 AF6 AF7 AF8 AF9 AF10 AF11 AF12 AF13 AF14 AF15
SYS_
AF
TIM1/
TIM2/
LPTIM1
TIM1/
TIM2
SPI2S2
TIM1/
LPTIM3
I2C1/
I2C2/
I2C3
SPI1/
SPI2S2
RF
USART1
/
USART2
LPUART1 - - -
COMP1/
COMP2/
TIM1
DEBUG
TIM2/
TIM16/
TIM17/
LPTIM2
EVENOUT
Port A
PA0
-
TIM2_
CH1
--
I2C3_
SMBA
I2S_
CKIN
-
USART2_
CTS
----
COMP1_
OUT
-TIM2_ETR
CM4_
EVENTOUT
PA1
-
TIM2_
CH2
-
LPTIM3_
OUT
I2C1_
SMBA
SPI1_
SCK
-
USART2_
RTS
LPUART1_
RTS
--- - - -
CM4_
EVENTOUT
PA2
LSCO
TIM2_
CH3
-- -- -
USART2_
TX
LPUART1_
TX
---
COMP2_
OUT
DEBUG_PWR
_LDORDY
-
CM4_
EVENTOUT
PA3
-
TIM2_
CH4
-- -
I2S2_
MCK
-
USART2_
RX
LPUART1_
RX
--- - - -
CM4_
EVENTOUT
PA4
RTC_
OUT2
LPTIM1
_OUT
-- -
SPI1_
NSS
-
USART2_
CK
-----
DEBUG_
SUBGHZSPI_
NSSOUT
LPTIM2_
OUT
CM4_
EVENTOUT
PA5
-
TIM2_
CH1
TIM2_
ETR
SPI2_
MISO
-
SPI1_
SCK
-- -----
DEBUG_
SUBGHZSPI_
SCKOUT
LPTIM2_
ETR
CM4_
EVENTOUT
PA6
-
TIM1_
BKIN
--
I2C2_
SMBA
SPI1_
MISO
--
LPUART1_
CTS
---
TIM1_
BKIN
DEBUG_
SUBGHZSPI_
MISOOUT
TIM16_
CH1
CM4_
EVENTOUT
PA7
-
TIM1_
CH1N
--
I2C3_
SCL
SPI1_
MOSI
-- ----
COMP2_
OUT
DEBUG_
SUBGHZSPI_
MOSIOUT
TIM17_
CH1
CM4_
EVENTOUT
PA8
MCO
TIM1_
CH1
-- -
SPI2_
SCK/
I2S2_CK
-
USART1_
CK
----- -
LPTIM2_
OUT
CM4_
EVENTOUT
PA9
-
TIM1_
CH2
-
SPI2_
NSS/
I2S2_WS
I2C1_
SCL
SPI2_
SCK/
I2S2_CK
-
USART1_
TX
----- - -
CM4_
EVENTOUT
PA10
RTC_
REFIN
TIM1_
CH3
--
I2C1_
SDA
SPI2_
MOSI/
I2S2_SD
-
USART1_
RX
-----
DEBUG_RF_
HSE32RDY
TIM17_
BKIN
CM4_
EVENTOUT
PA11
-
TIM1_
CH4
TIM1_
BKIN2
LPTIM3_
ETR
I2C2_
SDA
SPI1_
MISO
-
USART1_
CTS
----
TIM1_
BKIN2
DEBUG_RF_
NRESET
-
CM4_
EVENTOUT