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Hardware and layout UM1472

22/42 DocID022256 Rev 4

PA3

USART2_RX/

TIM5_CH4/

TIM9_CH2/

TIM2_CH4/

OTG_HS_ULPI_D0/

ETH_MII_COL/

ADC123_IN3

26 - - - - - - - -

- - -- 13-

PA4

SPI1_NSS/

SPI3_NSS/

USART2_CK/

DCMI_HSYNC/

OTG_HS_SOF/

I2S3_WS/

ADC12_IN4/

DAC1_OUT

LRCK/AIN1x

- - - - - - - - - - - 16 -

PA5

SPI1_SCK/

OTG_HS_ULPI_CK/

TIM2_CH1_ETR/

TIM8_CHIN/

ADC12_IN5/

DAC2_OUT

30 - -

SCL/SPC

- - - - - - - - - 15 -

PA6

SPI1_MISO/

TIM8_BKIN/

TIM13_CH1/

DCMI_PIXCLK/

TIM3_CH1/

TIM1_BKIN/

ADC12_IN6

31 - -

SDO

- - - - - - - - - 18 -

PA7

SPI1_MOSI/

TIM8_CH1N/

TIM14_CH1TIM3_CH2/

ETH_MII_RX_DV/

TIM1_CH1N/

RMII_CRS_DV/

ADC12_IN7

32 - -

SDA/SDI/SDO

- - - - - - - - - 17 -

Table 5. MCU pin description versus board function (continued)

MCU pin Board function

Main

function

Alternate

functions

LQFP100

CS43L22

MP45DT02

LIS302DL or LIS3DSH

Pushbutton

LED

SWD

USB

OSC

Free I/O

Power supply

CN5

CN2

Default Chapter1
- Figure 1. STM32F4DISCOVERY1
- Table of Contents2
Conventions5
- Table 1. ON/OFF Conventions5
Quick Start6
Features7
Hardware and Layout8
Mechanical Drawing34
- Figure 10. STM32F4DISCOVERY Mechanical Drawing34
Electrical Schematics35
Revision History41
- Table 6. Document Revision History41

Brand	ST
Model	STM32F4DISCOVERY
Category	Microcontrollers
Language	English

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