Hardware and layout
STM32F4DISCOVERY
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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
LQ
FP1
00
CS4
3L2
2
MP
45
D
T
02
LIS30
2DL
Pus
h
bu
tton
LED
SW
D
USB
OSC
Fr
ee
I/O
Po
w
er
s
u
p
p
ly
CN5
CN2
P1
P2
BOOT0
VPP
94
21
NRST
14
RESET
NRST
5
6
PA0-
WKUP
USART2_CTS/
USART4_TX/
ETH_MII_CRS/
TIM2_CH1_ETR/
TIM5_CH1/
TIM8_ETR/
ADC123_IN0/
WKUP
23
USER
12
PA1
USART2_RTS/
USART4_RX/
ETH_RMII_REF_CLK/
ETH_MII_RX_CLK/
TIM5_CH2/
TIMM2_CH2/
ADC123_IN1
24
11
PA2
USART2_TX/
TIM5_CH3/
TIM9_CH1/
TIM2_CH3/
ETH_MDIO/
ADC123_IN2
25
14
PA3
USART2_RX/
TIM5_CH4/
TIM9_CH2/
TIM2_CH4/
OTG_HS_ULPI_D0/
ETH_MII_COL/
ADC123_IN3
26
13
