STMicroelectronics UM1079 User Manual page 26

Extension connectors
Table 8. MCU pin description versus board function (continued)
MCU pin
Main Alternate
function functions
SPI1_SCK/ADC_IN
5/ DAC_OUT2/
PA5
TIM2_CH1_ETR/C
OMP1_INP
SPI1_MISO/ADC_I
N6/
TIM3_CH1/TIM1_B
PA6 KIN/
LCD_SEG3/TIM10
_CH1/
COMP1_INP
SPI1_MOSI/ADC_I
N7/
TIM3_CH2/TIM1_C
PA7 H1N
/LCD_SEG4/TIM11
_CH1/
COMP1_INP
USART1_CK/MCO/
PA8
LCD_COM0
USART1_TX/LCD_
PA9
COM1
USART1_RX/LCD_
PA10
COM2
USART1_CTS/US
PA11
BDM/ SPI1_MISO
USART1_RTS/US
PA12
BDP/ SPI1_MOSI
JTMS/
PA13
SWDIO
JTCK/
PA14
SWCLK
TIM2_CH1_ETR/P
A15/
JTDI
SPI1_NSS/LCD_S
EG17
ADC_IN8/TIM3_CH
3/
PB0
LCD_SEG5/COMP
1_INP/ VREF_OUT
26/38
LQF
Linear Push
P64 LCD
Touch butt
pin glass
Sensor
num
21 - -
22 - PA6
23 - PA7
COM
41 -
0
COM
42 -
1
COM
43 -
2
44 - -
45 - -
46 - -
49 - -
SEG
50 -
12
26 - PB0
DocID018789 Rev 4
Board function
I LED SWD OSC
DD
on
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
SWD
- - -
IO
SW
- - -
CLK
- - - -
- - - -
UM1079
Pow
Free er
P1 P2
I/O supp
ly
- X - 20
- - - -
- - - -
- - - -
- - - -
- - - -
- X - -
- X - -
- - - -
- - - -
- - - -
- - - -
-
-
-
23
22
21
20
19
18
17
16
-