Datasheet
Pin descriptions STM32H743xI
82/231 DS12110 Rev 5
Table 9. Port A alternate functions
Port
AF0 AF1 AF2 AF3 AF4 AF5 AF6 AF7 AF8 AF9 AF10 AF11 AF12 AF13 AF14 AF15
SYS
TIM1/2/16/1
7/LPTIM1/
HRTIM1
SAI1/TIM3/
4/5/12/
HRTIM1
LPUART/
TIM8/
LPTIM2/3/4/
5/HRTIM1/
DFSDM
I2C1/2/3/4/
USART1/
TIM15/
LPTIM2/
DFSDM/CEC
SPI1/2/3/4/
5/6/CEC
SPI2/3/SAI1/
3/I2C4/
UART4/
DFSDM
SPI2/3/6/
USART1/2/
3/6/UART7/
SDMMC1
SPI6/SAI2/
4/UART4/5/
8/LPUART/
SDMMC1/S
PDIFRX
SAI4/
FDCAN1/2/
TIM13/14/Q
UADSPI/F
MC/
SDMMC2/
LCD/
SPDIFRX
SAI2/4/
TIM8/
QUADSPI/
SDMMC2/
OTG1_HS/
OTG2_FS/
LCD
I2C4/
UART7/
SWPMI1/
TIM1/8/
DFSDM/
SDMMC2/
MDIOS/
ETH
TIM1/8/FMC
/SDMMC1/
MDIOS/
OTG1_FS/
LCD
TIM1/DCMI
/LCD/
COMP
UART5/
LCD
SYS
Port A
PA0 -
TIM2_CH1/
TIM2_ETR
TIM5_CH1 TIM8_ETR TIM15_BKIN - -
USART2_
CTS_NSS
UART4_TX
SDMMC2_
CMD
SAI2_SD_B
ETH_MII_
CRS
---
EVENT-
OUT
PA1 - TIM2_CH2 TIM5_CH2
LPTIM3_
OUT
TIM15_
CH1N
--
USART2_
RTS
UART4_RX
QUADSPI_
BK1_IO3
SAI2_MCK_
B
ETH_MII_
RX_CLK/
ETH_RMII_
REF_CLK
- - LCD_R2
EVENT-
OUT
PA2 - TIM2_CH3 TIM5_CH3
LPTIM4_
OUT
TIM15_CH1 - -
USART2_
TX
SAI2_SCK_
B
--ETH_MDIO
MDIOS_
MDIO
- LCD_R1
EVENT-
OUT
PA3 - TIM2_CH4 TIM5_CH4
LPTIM5_
OUT
TIM15_CH2 - -
USART2_
RX
- LCD_B2
OTG_HS_
ULPI_D0
ETH_MII_
COL
- - LCD_B5
EVENT-
OUT
PA4 - - TIM5_ETR - -
SPI1_NSS/
I2S1_WS
SPI3_NSS/
I2S3_WS
USART2_
CK
SPI6_NSS - - -
OTG_HS_
SOF
DCMI_
HSYNC
LCD_
VSYNC
EVENT-
OUT
PA5 -
TIM2_CH1/
TIM2_ETR
-
TIM8_
CH1N
-
SPI1_SCK
/I2S1_CK
- - SPI6_SCK -
OTG_HS_
ULPI_CK
- - - LCD_R4
EVENT-
OUT
PA6 - TIM1_BKIN TIM3_CH1 TIM8_BKIN -
SPI1_MISO
/I2S1_SDI
- - SPI6_MISO
TIM13_CH
1
TIM8_BKIN
_COMP12
MDIOS_
MDC
TIM1_BKIN
_COMP12
DCMI_PIX
CLK
LCD_G2
EVENT-
OUT
PA7 - TIM1_CH1N TIM3_CH2
TIM8_CH1
N
-
SPI1_MOSI
/I2S1_SDO
- - SPI6_MOSI
TIM14_CH
1
-
ETH_MII_
RX_DV/
ETH_RMII_
CRS_DV
FMC_SDN
WE
--
EVENT-
OUT
PA8 MCO1 TIM1_CH1
HRTIM_CH
B2
TIM8_BKIN
2
I2C3_SCL - -
USART1_
CK
--
OTG_FS_
SOF
UART7_RX
TIM8_BKIN
2_COMP12
LCD_B3 LCD_R6
EVENT-
OUT
PA9 - TIM1_CH2
HRTIM_CH
C1
LPUART1_
TX
I2C3_SMBA
SPI2_SCK/
I2S2_CK
-
USART1_
TX
-
FDCAN1_
RXFD_
MODE
- - - DCMI_D0 LCD_R5
EVENT-
OUT
PA10 - TIM1_CH3
HRTIM_CH
C2
LPUART1_
RX
---
USART1_
RX
-
FDCAN1_
TXFD_
MODE
OTG_FS_ID
MDIOS_
MDIO
LCD_B4 DCMI_D1 LCD_B1
EVENT-
OUT
PA11 - TIM1_CH4
HRTIM_CH
D1
LPUART1_
CTS
-
SPI2_NSS
/I2S2_WS
UART4_RX
USART1_
CTS_NSS
-
FDCAN1_
RX
OTG_FS_
DM
- - - LCD_R4
EVENT-
OUT
PA1 2 - TIM1_ETR
HRTIM_CH
D2
LPUART1_
RTS
-
SPI2_SCK/
I2S2_CK
UART4_TX
USART1_
RTS
SAI2_FS_B
FDCAN1_
TX
OTG_FS_
DP
- - - LCD_R5
EVENT-
OUT
PA1 3
JTMS-
SWDIO
--- - ----------
EVENT-
OUT