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Hardware and layout STM32F4DISCOVERY

20/38 Doc ID 022256 Rev 2

4.12 Extension connectors

The male headers P1 and P2 can connect the STM32F4DISCOVERY to a standard

prototyping/wrapping board. STM32F407VGT6 GPI/Os are available on these connectors.

P1 and P2 can also be probed by an oscilloscope, logical analyzer or voltmeter.

Table 5. MCU pin description versus board function (page 1 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

BOOT0 VPP 94

NRST 14

RESET

NRST

PA 0 -

WKUP

USART2_CTS/

USART4_TX/

ETH_MII_CRS/

TIM2_CH1_ETR/

TIM5_CH1/

TIM8_ETR/

ADC123_IN0/

WKUP

USER

PA 1

USART2_RTS/

USART4_RX/

ETH_RMII_REF_CLK/

ETH_MII_RX_CLK/

TIM5_CH2/

TIMM2_CH2/

ADC123_IN1

PA 2

USART2_TX/

TIM5_CH3/

TIM9_CH1/

TIM2_CH3/

ETH_MDIO/

ADC123_IN2

PA 3

USART2_RX/

TIM5_CH4/

TIM9_CH2/

TIM2_CH4/

OTG_HS_ULPI_D0/

ETH_MII_COL/

ADC123_IN3