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ManualsBrandsSTMICROELECTRONICS ManualsDev KitsPCB design board

Hardware and layout UM1656

22/30 DocID025091 Rev 1

PC0

LCD_SEG18/ADC_IN10/

COMP1_INP

8 11

PC1

LCD_SEG19/ADC_IN11/

COMP1_INP

9

12

PC2

LCD_SEG20/ADC_IN12/

COMP1_INP

10

13

PC3

LCD_SEG21/ADC_IN13/

COMP1_INP

11

14

PC4

LCD_SEG22/ADC_IN14/

COMP1_INP

24

25

PC5

LCD_SEG23/ADC_IN15/

COMP1_INP

25

26

PC6

TIM3_CH1/I2S2_MCK

/LCD_SEG24

37

29

PC7

TIM3_CH2/I2S3_MCK/

LCD_SEG25

38

28

PC8 TIM3_CH3/LCD_SEG26 39

BLUE

27

PC9 TIM3_CH4/LCD_SEG27 40

GREEN

26

PC10

SPI3_SCK/I2S3_CK/

USART3_TX/LCD_SEG28/

LCD_SEG40/LCD_COM4

51

15

PC11

SPI3_MISO/USART3_RX/

LCD_SEG29/LCD_SEG41/

LCD_COM5

52

14

PC12

SPI3_MOSI/I2S3_SD/

USART3_CK/LCD_SEG30/

LCD_SEG42/LCD_COM6

53

13

PC13

WKUP2/RTC_TAMP1/

RTC_TS/RTC_OUT

2

4

Table 5. MCU pin description versus board function (continued)

MCU pin Board function

Main

function

Alternate

functions

LQFP64

Push button

LED

SWD

OSC

Free I/O

Power supply

CN3

P1

P2