Datasheet

DS10668 Rev 6 41/126
STM32L031x4/6 Pin descriptions
46
13 C3 13 13 13 13 17 17 PA7 I/O FT -
SPI1_MOSI,
LPTIM1_OUT,
USART2_CTS,
TIM22_CH2,
EVENTOUT,
COMP2_OUT
ADC_IN7
- E2141414141818 PB0 I/O FT -
EVENTOUT,
SPI1_MISO,
USART2_RTS/
USART2_DE,
TIM2_CH3
ADC_IN8, VREF_OUT
14 D2 15 15 15 15 19 19 PB1 I/O FT -
USART2_CK,
SPI1_MOSI,
LPUART1_RTS/
LPUART1_DE,
TIM2_CH4
ADC_IN9, VREF_OUT
- - - - - 162020 PB2 I/O FT - LPTIM1_OUT -
- - - - - - 21 21 PB10 I/O FT -
TIM2_CH3,
LPUART1_TX
-
- - - - - - 22 22 PB11 I/O FT -
EVENTOUT,
TIM2_CH4,
LPUART1_RX
-
15 - 16 16 16 - 23 23 VSS S - - - -
16 - 171717172424 VDD S - - - -
- - - - - - 25 25 PB12 I/O FT -
SPI1_NSS,
EVENTOUT
-
Table 15. Pin definitions (continued)
Pin Number
Pin name
(function
after reset)
Pin
type
I/O structure
Note
Alternate
functions
Additional functions
TSSOP20
WLCSP25
UFQFPN28
UFQFPN28 (STM32L031GxUxS only)
LQFP32
UFQFPN32
(1)
LQFP48
UFQFPN48
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