Figure 17. GPIO connectors
Table 25 describes the pinout of the GPIO connectors.
Table 25. GPIO connectors pinout
Function
STM32 pin Pin Pin STM32 pin Function
3V3 - 1 2 - 5V
GPIO2 / I2C5_SDA PA12 3 4 - 5V
GPIO3 / I2C5_SCL PA11 5 6 - GND
GPIO4 / MCO1 PA8 7 8 PB10 GPIO14 / USART3_TX
GND - 9 10 PB12 GPIO15 / USART3_RX
GPIO17 / USART3_RTS PG8 11 12 PI5 GPIO18 / SAI2_SCKA
GPIO27 / SDMMC3_D3 PD7 13 14 - GND
GPIO22 / SDMMC3_CK PG15 15 16 PF1 GPIO23 / SDMMC3_CMD
3V3 - 17 18 PF0 GPIO24 / SDMMC3_D0
GPIO10 / SPI5_MOSI PF9 19 20 - GND
GPIO9 / SPI5_MISO PF8 21 22 PF4 GPIO25 / SDMMC3_D1
GPIO11 / SPI5_SCK PF7 23 24 PF6 GPIO8 / SPI5_NSS
GND - 25 26 PF3 GPIO7
I2C1_SDA PF15 27 28 PD12 I2C1_SCL
GPIO5 / MCO2 PG2 29 30 - GND
UM2534
GPIO expansion connectors
UM2534 - Rev 1
page 31/47
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