Datasheet

Pin descriptions STM32L073xx
52/137 DocID027096 Rev 2
Table 19. Alternate functions port C
Port
AF0 AF1 AF2 AF3 AF4 AF5 AF6 AF7
SPI1/SPI2/I2S2/
USART1/2/
LPUART1/USB/
LPTIM1/TSC/
TIM2/21/22/
EVENTOUT/
SYS_AF
SPI1/SPI2/I2S2/I2C1/
LCD/
TIM2/21
SPI1/SPI2/I2S2/
LPUART1/
USART5/USB/
LPTIM1/TIM2/3
/EVENTOUT/SYS_AF
I2C1/TSC/
EVENTOUT
I2C1/USART1/2/
LPUART1/
TIM3/22/
EVENTOUT
SPI2/I2S2
/I2C2/
USART1/
TIM2/21/22
I2C1/2/
LPUART1/
USART4/
UASRT5/TIM21/E
VENTOUT
I2C3/LPUART1/
COMP1/2/
TIM3
Port C
PC0 LPTIM1_IN1 LCD_SEG18 EVENTOUT TSC_G7_IO1 LPUART1_RX I2C3_SCL PC1 LPTIM1_OUT LCD_SEG19 EVENTOUT TSC_G7_IO2 LPUART1_TX I2C3_SDA PC2 LPTIM1_IN2 LCD_SEG20
SPI2_MISO/
I2S2_MCK
TSC_G7_IO3
PC3 LPTIM1_ETR LCD_SEG21
SPI2_MOSI/
I2S2_SD
TSC_G7_IO4
PC4 EVENTOUT LCD_SEG22 LPUART1_TX PC5 LCD_SEG23 LPUART1_RX TSC_G3_IO1 PC6 TIM22_CH1 LCD_SEG24 TIM3_CH1 TSC_G8_IO1 PC7 TIM22_CH2 LCD_SEG25 TIM3_CH2 TSC_G8_IO2 PC8 TIM22_ETR LCD_SEG26 TIM3_CH3 TSC_G8_IO3 PC9 TIM21_ETR LCD_SEG27 USB_OE/TIM3_CH4 TSC_G8_IO4 I2C3_SDA
PC10 LPUART1_TX
LCD_COM4/LCD_SEG
28/LCD_SEG48
USART4_TX
PC11 LPUART1_RX
LCD_COM5/LCD_SEG
29/LCD_SEG49
USART4_RX
PC12
LCD_COM6/LCD_SEG
30/LCD_SEG50
USART5_TX USART4_CK
PC13 PC14 PC15
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