STM32F4DISCOVERY
Hardware and layout
Doc ID 022256 Rev 2
27/38
PD1
FSMC_D3/
CAN1_TX
82
33
PD2
TIM3_ETR/
UART5_RXSDIO_CMD
/
DCMI_D11
83
34
PD3
FSMC_CLK/
USART2_CTS
84
31
PD4
FSMC_NOE/
USART2_RTS
85
RESET
32
PD5
FSMC_NWE/
USART2_TX
86
RED
Ov
erC
urrent
29
PD6
FSMC_NWAIT/
USART2_RX
87
30
PD7
USART2_CK/
FSMC_NE1/
FSMC_NCE2
88
27
PD8
FSMC_D13/
USART3_TX
55
40
PD9
FSMC_D14/
USART3_RX
56
41
PD10
FSMC_D15/
USART3_CK
57
42
PD11
FSMC_A16/
USART3_CTS
58
43
PD12
FSMC_A17/
TIM4_CH1/
USART3_RTS
59
GREEN
44
PD13
FSMC_A18/
TIM4_CH2
60
ORANGE
45
PD14
FSMC_D0/
TIM4_CH3
61
RED
46
PD15
FSMC_D1/
TIM4_CH4
62
BLUE
47
Table 5.
MCU pin description versus board function (page 8 of 10)
MCU pin
Board function
Main
function
Alternate
functions
LQ
FP10
0
CS
43
L
22
MP
45
D
T
02
LI
S302
D
L
Pu
sh
b
u
tto
n
LE
D
SWD
USB
OS
C
Free
I/O
Po
w
er
s
u
p
p
ly
CN5
CN2
P1
P2
