Datasheet
DS10690 Rev 6 45/144
STM32L071xx Pin descriptions
53
20 20 31 43 C6 C1 69 C12 PA10 I/O FTf -
USART1_RX,
I2C1_SDA
-
21 21 32 44 C8 D2 70 B12 PA11 I/O FT -
SPI1_MISO,
EVENTOUT,
USART1_CTS,
COMP1_OUT
-
22 22 33 45 B8 B1 71 A12 PA12 I/O FT -
SPI1_MOSI,
EVENTOUT,
USART1_RTS/
USART1_DE,
COMP2_OUT
-
23 23 34 46 A8 C2 72 A11 PA13 I/O FT -
SWDIO,
LPUART1_RX
-
------73C11 VDD S-- - -
- - 35 47 D5 - 74 F11 VSS S - - - -
- 24 36 48 E6 A1 75 G11 VDDIO2 S - - - -
24 25 37 49 A7 B2 76 A10 PA14 I/O FT -
SWCLK,
USART2_TX,
LPUART1_TX
-
25 - 38 50 A6 A2 77 A9 PA15 I/O FT -
SPI1_NSS,
TIM2_ETR,
EVENTOUT,
USART2_RX,
TIM2_CH1,
USART4_RTS/
USART4_DE
-
- - - 51 B7 - 78 B11 PC10 I/O FT -
LPUART1_TX,
USART4_TX
-
- - - 52 B6 - 79 C10 PC11 I/O FT -
LPUART1_RX,
USART4_RX
-
- - - 53 C5 - 80 B10 PC12 I/O FT -
USART5_TX,
USART4_CK
-
------81C9 PD0 I/OFT-
TIM21_CH1,
SPI2_NSS/I2S2_WS
-
Table 15. STM32L071xxx pin definition (continued)
Pin number
Pin name
(function
after reset)
Pin type
I/O structure
Note
Alternate functions
Additional
functions
LQFP32
UFQFPN32
(1)
LQFP48
LQFP64
UFBGA/TFBGA64
WLCSP49
LQFP100
UFBG100
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