Datasheet

STM32L15xCC STM32L15xRC STM32L15xUC STM32L15xVC Pin descriptions
DocID022799 Rev 6 46/132
PA10 USART1_RX COM2
TIMx_IC3_2/
G4IO3
EVENT OUT
PA11 SPI1_MISO USART1_CTS USB_DM TIMx_IC4_2 EVENT OUT
PA12 SPI1_MOSI USART1_RTS USB_DP TIMx_IC1_3/ EVENT OUT
PA13 JTMS-SWDIO
TIMx_IC2_3/
G5IO1
EVENT OUT
PA14 JTCK-SWCLK
TIMx_IC3_3/
G5IO2
EVEN TOUT
PA15 JTDI TIM2_CH1_ETR SPI1_NSS
SPI3_NSS
I2S3_WS
SEG17
TIMx_IC4_3/
G5IO3
EVEN TOUT
PB0 TIM3_CH3 SEG5
COMP1_INP/
G3IO1
EVEN TOUT
PB1 TIM3_CH4 SEG6
COMP1_INP/
G3IO2
EVENT OUT
PB2 BOOT1
COMP1_INP/
G3IO3
EVENT OUT
PB3 JTDO TIM2_CH2 SPI1_SCK
SPI3_SCK
I2S3_CK
SEG7 EVENT OUT
PB4 JTRST TIM3_CH1 SPI1_MISO SPI3_MISO SEG8 G6IO1 EVENT OUT
PB5 TIM3_CH2
I2C1_
SMBA
SPI1_MOSI
SPI3_MOSI
I2S3_SD
SEG9 G6IO2 EVENT OUT
PB6 TIM4_CH1 I2C1_SCL USART1_TX G6IO3 EVENT OUT
PB7 TIM4_CH2 I2C1_SDA USART1_RX G6IO4 EVENT OUT
PB8 TIM4_CH3
TIM10_
CH1
I2C1_SCL SEG16 EVENT OUT
PB9 TIM4_CH4
TIM11_
CH1
I2C1_SDA COM3 EVENT OUT
PB10 TIM2_CH3 I2C2_SCL USART3_TX SEG10 EVENT OUT
Table 10. Alternate function input/output (continued)
Port
name
Digital alternate function number
AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7
.
.
AFIO10 AFIO11
.
.
AFIO14 AFIO15
Alternate function
SYSTEM TIM2 TIM3/4/5
TIM9/
10/11
I2C1/2 SPI1/2 SPI3 USART1/2/3 USB LCD CPRI SYSTEM