Datasheet
DocID027096 Rev 2 45/137
STM32L073xx Pin descriptions
55
- - - 41 L8 PE10 I/O FT -
TIM2_CH2, LCD_SEG40,
USART5_TX
-
- - - 42 M9 PE11 I/O FT - TIM2_CH3, USART5_RX LCD_VLCD2
- - - 43 L9 PE12 I/O FT - TIM2_CH4, SPI1_NSS LCD_VLCD3
- - - 44 M10 PE13 I/O FT - LCD_SEG41, SPI1_SCK -
- - - 45 M11 PE14 I/O FT - LCD_SEG42, SPI1_MISO -
- - - 46 M12 PE15 I/O FT - LCD_SEG43, SPI1_MOSI -
21 29 G7 47 L10 PB10 I/O FT -
LCD_SEG10, TIM2_CH3,
TSC_SYNC,
LPUART1_TX, SPI2_SCK,
I2C2_SCL, LPUART1_RX
-
22 30 H7 48 L11 PB11 I/O FT -
EVENTOUT, LCD_SEG11,
TIM2_CH4, TSC_G6_IO1,
LPUART1_RX, I2C2_SDA,
LPUART1_TX
-
23 31 D6 49 F12 VSS S - - -
24 32 E5 50 G12 VDD S - - -
25 33 H8 51 L12 PB12 I/O FT -
SPI2_NSS/I2S2_WS,
LCD_SEG12,
LPUART1_RTS_DE,
TSC_G6_IO2,
I2C2_SMBA, EVENTOUT
LCD_VLCD2
26 34 G8 52 K12 PB13 I/O FTf -
SPI2_SCK/I2S2_CK,
LCD_SEG13, MCO,
TSC_G6_IO3,
LPUART1_CTS,
I2C2_SCL, TIM21_CH1
-
27 35 F8 53 K11 PB14 I/O FTf -
SPI2_MISO/I2S2_MCK,
LCD_SEG14, RTC_OUT,
TSC_G6_IO4,
LPUART1_RTS_DE,
I2C2_SDA, TIM21_CH2
-
28 36 F7 54 K10 PB15 I/O FT -
SPI2_MOSI/I2S2_SD,
LCD_SEG15, RTC_REFIN
-
- - - 55 K9 PD8 I/O FT -
LPUART1_TX,
LCD_SEG28
-
Table 16. STM32L073xx pin definition (continued)
Pin number
Pin name
(function after
reset)
Pin type
I/O structure
Note
Alternate functions Additional functions
LQFP48
LQFP64
TFBGA64
LQFP100
UFBGA100
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