Datasheet

STM32L100C6, STM32L100R8/RB Pin descriptions
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Table 7. STM32L100xx pin definitions
Pins
Pin name
Type
(1)
I/O Level
(2)
Main
function
(3)
(after reset)
Alternate functions
LQFP64
UFQFPN48
11 V
LCD
SV
LCD
2 2 PC13-WKUP2 I/O FT PC13 RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2
33
PC14-
OSC32_IN
(4)
I/O PC14 OSC32_IN
44
PC15-
OSC32_OUT
(5)
I/O PC15 OSC32_OUT
5 5 PH0-OSC_IN
(5)
I PH0 OSC_IN
6 6 PH1-OSC_OUT O PH1 OSC_OUT
7 7 NRST I/O NRST
8 - PC0 I/O FT PC0 ADC_IN10/LCD_SEG18/COMP1_INP
9 - PC1 I/O FT PC1 ADC_IN11/LCD_SEG19/COMP1_INP
10 - PC2 I/O FT PC2 ADC_IN12/LCD_SEG20/COMP1_INP
11 - PC3 I/O PC3 ADC_IN13/LCD_SEG21/COMP1_INP
12 8 V
SSA
SV
SSA
13 9 V
DDA
SV
DDA
14 10 PA0-WKUP1 I/O FT PA0
WKUP1/USART2_CTS/ADC_IN0/TIM2_CH1_ETR/
COMP1_INP
15 11 PA1 I/O FT PA1
USART2_RTS/ADC_IN1/TIM2_CH2/LCD_SEG0/
COMP1_INP
16 12 PA2 I/O FT PA2
USART2_TX/ADC_IN2/TIM2_CH3/TIM9_CH1/
LCD_SEG1/COMP1_INP
17 13 PA3 I/O PA3
USART2_RX/ADC_IN3/TIM2_CH4/TIM9_CH2/
LCD_SEG2/COMP1_INP
18 - V
SS_4
SV
SS_4
19 - V
DD_4
SV
DD_4
20 14 PA4 I/O PA4
SPI1_NSS/USART2_CK/
ADC_IN4/DAC_OUT1/COMP1_INP
21 15 PA5 I/O PA5
SPI1_SCK/ADC_IN5/
DAC_OUT2/TIM2_CH1_ETR/COMP1_INP
22 16 PA6 I/O FT PA6
SPI1_MISO/ADC_IN6/TIM3_CH1/TIM1_BKIN/
LCD_SEG3/TIM10_CH1/COMP1_INP