Datasheet
STM32L073xx Pin descriptions
DocID027096 Rev 2 53/137
Table 20. Alternate functions port D
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 D
PD0 TIM21_CH1 SPI2_NSS/I2S2_WS - - - - - -
PD1 - SPI2_SCK/I2S2_CK - - - - - -
PD2
LPUART1_RTS_
DE
LCD_COM7/
LCD_SEG31/
LCD_SEG51
TIM3_ETR - - - USART5_RX -
PD3 USART2_CTS LCD_SEG44
SPI2_MISO/
I2S2_MCK
-- - - -
PD4
USART2_RTS_D
E
SPI2_MOSI/I2S2_SD - - - - - -
PD5 USART2_TX - - - - - - -
PD6 USART2_RX - - - - - - -
PD7 USART2_CK TIM21_CH2 - - - - - -
PD8 LPUART1_TX LCD_SEG28 - - - - - -
PD9 LPUART1_RX LCD_SEG29 - - - - - -
PD10 - LCD_SEG30 - - - - - -
PD11 LPUART1_CTS LCD_SEG31 - - - - - -
PD12
LPUART1_RTS_
DE
LCD_SEG32 - - - - - -
PD13 - LCD_SEG33 - - - - - -
PD14 - LCD_SEG34 - - - - - -
PD15 USB_CRS_SYNC LCD_SEG35 - - - - - -
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