Datasheet

DS10668 Rev 6 39/126
STM32L031x4/6 Pin descriptions
46
Table 15. Pin definitions
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
------22
PC13-
ANTI_TAMP
I/O FT - - TAMP1/WKUP2
2B5222233
PC14-
OSC32_IN
I/O TC - - OSC32_IN
3C5333344
PC15-
OSC32_OU
T
I/O TC - - OSC32_OUT
------55
PH0-
OSC_IN
I/O TC - - -
------66
PH1-
OSC_OUT
I/O TC - - -
4D5444477 NRST I/O- - - -
------11 PC0 I/OFT-
LPTIM1_IN1,
EVENTOUT,
LPUART1_RX
-
- E1 - - - "0" 8 8 VSSA S - - - -
5C4555599 VDDA S - - - -
6 E5 6 6 6 6 - - PA0-CK_IN I/O TC -
LPTIM1_IN1,
TIM2_CH1,
USART2_CTS,
TIM2_ETR,
COMP1_OUT
COMP1_INM6,
ADC_IN0,
RTC_TAMP2/WKUP1
- - - - - - 10 10 PA0 I/O TC -
LPTIM1_IN1,
TIM2_CH1,
USART2_CTS,
TIM2_ETR,
COMP1_OUT
COMP1_INM6,
ADC_IN0,
RTC_TAMP2/WKUP1
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