ST STM32F401

Hardware layout UM1669
28/39 DocID025174 Rev 1
PE8 TIM1_CH1N 39 26
PE9 TIM1_CH1 40
27
PE10 TIM1_CH2N 41
28
PE11 TIM1_CH2, SPI4_NSS 42
29
PE12
TIM1_CH3N,
SPI4_SCK
43 30
PE13 TIM1_CH3, SPI4_MISO 44 31
PE14 TIM1_CH4, SPI4_MOSI 45
32
PE15 TIM1_BKIN 46
33
PH0 OSC_IN 12
OSC_IN
7
PH1 OSC_OUT 13
OSC_OUT
8
5 V
3
5 V
4
3 V
5
3 V
6
VDD
3 22
VDD
4
GND GND GND
5311
GND
22
GND
5
GND
23
Table 6. MCU pin description versus board function (page 7 of 8)
MCU pin Board function
Main
function
Alternate
functions
LQFP100
CS43L22
MP45DT02
L3GD20
LSM303DLHC
Pushbutton
LED
SWD
USB
OSC
Free I/O
Power supply
CN5 CN2
P1 P2