Datasheet

Pin descriptions STM32L100C6, STM32L100R8/RB
32/102 DocID024295 Rev 1
23 17 PA7 I/O FT PA7
SPI1_MOSI/ADC_IN7/TIM3_CH2/TIM1_CH1N/
LCD_SEG4/TIM11_CH1/COMP1_INP
24 - PC4 I/O FT PC4 ADC_IN14/LCD_SEG22/COMP1_INP
25 - PC5 I/O FT PC5 ADC_IN15/LCD_SEG23/COMP1_INP
26 18 PB0 I/O PB0
ADC_IN8/TIM3_CH3/LCD_SEG5/
COMP1_INP/VREF_OUT
27 19 PB1 I/O FT PB1
ADC_IN9/TIM3_CH4/LCD_SEG6/
COMP1_INP/VREF_OUT
28 20 PB2 I/O FT PB2/BOOT1
29 21 PB10 I/O FT PB10 I2C2_SCL/USART3_TX/TIM2_CH3/LCD_SEG10
30 22 PB11 I/O FT PB11 I2C2_SDA/USART3_RX/TIM2_CH4/LCD_SEG11
31 23 V
SS_1
SV
SS_1
32 24 V
DD_1
SV
DD_1
33 25 PB12 I/O FT PB12
SPI2_NSS/I2C2_SMBA/USART3_CK/LCD_SEG12/
ADC_IN18/COMP1_INP/TIM10_CH1
34 26 PB13 I/O FT PB13
SPI2_SCK/USART3_CTS/LCD_SEG13/ADC_IN19/
COMP1_INP/TIM9_CH1
35 27 PB14 I/O FT PB14
SPI2_MISO/USART3_RTS/LCD_SEG14/ADC_IN20/
COMP1_INP/TIM9_CH2
36 28 PB15 I/O FT PB15
SPI2_MOSI/TIM1_CH3N/LCD_SEG15/ADC_IN21/
COMP1_INP/TIM11_CH1/RTC_REFIN
37 - PC6 I/O FT PC6 TIM3_CH1/LCD_SEG24
38 - PC7 I/O FT PC7 TIM3_CH2/LCD_SEG25
39 - PC8 I/O FT PC8 TIM3_CH3/LCD_SEG26
40 - PC9 I/O FT PC9 TIM3_CH4/LCD_SEG27
41 29 PA8 I/O FT PA8 USART1_CK/MCO/LCD_COM0
42 30 PA9 I/O FT PA9 USART1_TX/LCD_COM1
43 31 PA10 I/O FT PA10 USART1_RX/LCD_COM2
44 32 PA11 I/O FT PA11 USART1_CTS/USB_DM/SPI1_MISO
45 33 PA12 I/O FT PA12 USART1_RTS/USB_DP/SPI1_MOSI
Table 7. STM32L100xx pin definitions (continued)
Pins
Pin name
Type
(1)
I/O Level
(2)
Main
function
(3)
(after reset)
Alternate functions
LQFP64
UFQFPN48