Datasheet

DocID027973 Rev 5 39/119
STM32L011x3/4 Pin descriptions
42
12 15 18 20 20 20 C2 PA10 I/O FTf
(7)
TIM21_CH1,
I2C1_SDA,
RTC_REFIN,
USART2_RX,
TIM2_CH3,
COMP1_OUT
-
----2121- PA11 I/OFT -
SPI1_MISO,
LPTIM1_OUT,
EVENTOUT,
USART2_CTS,
TIM21_CH2,
COMP1_OUT
-
----2222- PA12 I/OFT -
SPI1_MOSI,
EVENTOUT,
USART2_RTS_DE,
COMP2_OUT
-
13 16 19 21 23 23 A1 PA13 I/O FTf -
SWDIO,
LPTIM1_ETR,
I2C1_SDA,
SPI1_SCK,
LPUART1_RX,
COMP1_OUT
-
14 17 20 22 24 24 A2 PA14 I/O FT
(7)
SWCLK,
LPTIM1_OUT,
I2C1_SMBA,
USART2_TX,
SPI1_MISO,
LPUART1_TX,
COMP2_OUT
-
- - - 23 25 25 - PA15 I/O FT -
SPI1_NSS,
TIM2_ETR,
EVENTOUT,
USART2_RX,
TIM2_CH1
-
- - - 24 26 26 B2 PB3 I/O FT -
SPI1_SCK,
TIM2_CH2,
EVENTOUT
COMP2_INM
- - - 25 27 27 - PB4 I/O FT -
SPI1_MISO,
EVENTOUT
COMP2_INP
Table 13. Pin definitions (continued)
Pin number
Pin name
(function
after reset)
Pin type
I/O structure
Notes
Pin functions
TSSOP14
UFQFPN20
TSSOP20
UFQFPN28
LQFP32
UFQFPN32
(1)
WLCSP25
Alternate functions
Additional
functions
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