STM32L100RC datasheet(32/104 Pages) STMICROELECTRONICS

32 / 104 page

Pin descriptions

STM32L100RC

32/104

DocID024995 Rev 4

PA3

I/O

PA3

TIM2_CH4/TIM9_CH2

/USART2_RX/LCD_SEG2

ADC_IN3/

COMP1_INP/OPAMP1_VOUT

VSS_4

S-

VSS_4

VDD_4

S-

VDD_4

PA4

I/O

PA4

SPI1_NSS/SPI3_NSS/

I2S3_WS/USART2_CK

ADC_IN4/DAC_OUT1/

COMP1_INP

PA5

I/O

PA5

TIM2_CH1_ETR/SPI1_SCK

ADC_IN5/

DAC_OUT2/COMP1_INP

PA6

I/O

PA6

TIM3_CH1/TIM10_CH1/

SPI1_MISO/LCD_SEG3

ADC_IN6/COMP1_INP/

OPAMP2_VINP

PA7

I/O

PA7

TIM3_CH2/TIM11_CH1/

SPI1_MOSI/LCD_SEG4

ADC_IN7/COMP1_INP

/OPAMP2_VINM

PC4

I/O

PC4

LCD_SEG22

ADC_IN14/COMP1_INP

PC5

I/O

PC5

LCD_SEG23

ADC_IN15/COMP1_INP

PB0

I/O

PB0

TIM3_CH3/LCD_SEG5

ADC_IN8/COMP1_INP/

OPAMP2_VOUT/VREF_OUT

PB1

I/O

PB1

TIM3_CH4/LCD_SEG6

ADC_IN9/

COMP1_INP/VREF_OUT

PB2

I/O

FT PB2/BOOT1

BOOT1

COMP1_INP

PB10

I/O

PB10

TIM2_CH3/I2C2_SCL/

USART3_TX/LCD_SEG10

PB11

I/O

PB11

TIM2_CH4/I2C2_SDA/

USART3_RX/LCD_SEG11

VSS_1

S-

VSS_1

VDD_1

S-

VDD_1

PB12

I/O

PB12

TIM10_CH1/I2C2_SMBA/

SPI2_NSS/I2S2_WS/

USART3_CK/LCD_SEG12

ADC_IN18/COMP1_INP

PB13

I/O

PB13

TIM9_CH1/SPI2_SCK/

I2S2_CK/ USART3_CTS/

LCD_SEG13

ADC_IN19/COMP1_INP

PB14

I/O

PB14

TIM9_CH2/SPI2_MISO/

USART3_RTS/LCD_SEG14

ADC_IN20/COMP1_INP

Table 7. STM32L100RC pin definitions (continued)

Pins

Pin name

Main

function

(after reset)

Pin functions

Alternate functions

Additional functions

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