Hardware and layout
STM32F4DISCOVERY
28/38
Doc ID 022256 Rev 2
PE0
TIM4_ETR/
FSMC_NBL0/
DCMI_D2
97
INT1
17
PE1
FSMC_NBL1/
DCMI_D3
98
INT2
18
PE2
TRACECLK/
FSMC_A23/
ETH_MII_TXD3
1
CS_I2
C
/SPI
15
PE3
TRACED0/
FSMC_A19
2
16
PE4
TRACED1/
FSMC_A20/
DCMI_D4
3
13
PE5
TRACED2/
FSMC_A21/
TIM9_CH1/
DCMI_D6
4
14
PE6
TRACED3/
FSMC_A22/
TIM9_CH2/
DCMI_D7
5
11
PE7
FSMC_D4/
TIM1_ETR
38
25
PE8
FSMC_D5/
TIM1_CH1N
39
26
PE9
FSMC_D6/
TIM1_CH1
40
27
PE10
FSMC_D7/
TIM1_CH2N
41
28
PE11
FSMC_D8/
TIM1_CH2
42
29
PE12
FSMC_D9/
TIM1_CH3N
43
30
PE13
FSMC_D10/
TIM1_CH3
44
31
PE14
FSMC_D11/
TIM1_CH4
45
32
Table 5.
MCU pin description versus board function (page 9 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