Datasheet

Hardware and layout STM32F4DISCOVERY
24/38 Doc ID 022256 Rev 2
PB10
SPI2_SCK/
I2S2_CK/
I2C2_SCL/
USART3_TX/
OTG_HS_ULPI_D3/
ETH_MII_RX_ER/
OTG_HS_SCL/
TIM2_CH3
47
CLK
34
PB11
I2C2_SDA/
USART3_RX/
OTG_HS_ULPI_D4/
ETH_RMII_TX_EN/
ETH_MII_TX_EN/
OTG_HS_SDA/
TIM2_CH4
48 35
PB12
SPI2_NSS/
I2S2_WS/
I2C2_SMBA/
USART3_CK/
TIM1_BKIN/
CAN2_RX/
OTG_HS_ULPI_D5/
ETH_RMII_TXD0/
ETH_MII_TXD0/
OTG_HS_ID
51
36
PB13
SPI2_SCK/
I2S2_CK/
USART3_CTS/
TIM1_CH1N/
CAN2_TX/
OTG_HS_ULPI_D6/
ETH_RMII_TXD1/
ETH_MII_TXD1/
OTG_HS_VBUS
52
37
PB14
SPI2_MISO/
TIM1_CH2N/
TIM12_CH1/
OTG_HS_DMUSART3_
RTS/
TIM8_CH2N/
I2S2ext_SD
53 38
Table 5. MCU pin description versus board function (page 5 of 10)
MCU pin Board function
Main
function
Alternate
functions
LQFP100
CS43L22
MP45DT02
LIS302DL
Pushbutton
LED
SWD
USB
OSC
Free I/O
Power supply
CN5 CN2
P1 P2