Datasheet
Pin descriptions STM32L073xx
48/137 DocID027096 Rev 2
- - - 85 B7 PD4 I/O FT -
USART2_RTS_DE,
SPI2_MOSI/I2S2_SD
-
- - - 86 A6 PD5 I/O FT - USART2_TX -
- - - 87 B6 PD6 I/O FT - USART2_RX -
- - - 88 A5 PD7 I/O FT - USART2_CK, TIM21_CH2 -
39 55 A5 89 A8 PB3 I/O FT -
SPI1_SCK, LCD_SEG7,
TIM2_CH2, TSC_G5_IO1,
EVENTOUT,
USART1_RTS_DE,
USART5_TX
COMP2_INM
40 56 A4 90 A7 PB4 I/O FTf -
SPI1_MISO, LCD_SEG8,
TIM3_CH1, TSC_G5_IO2,
TIM22_CH1,
USART1_CTS,
USART5_RX, I2C3_SDA
COMP2_INP
41 57 C4 91 C5 PB5 I/O FT -
SPI1_MOSI, LCD_SEG9,
LPTIM1_IN1, I2C1_SMBA,
TIM3_CH2/TIM22_CH2,
USART1_CK,
USART5_CK/USART5_
RTS
COMP2_INP
42 58 D3 92 B5 PB6 I/O FTf -
USART1_TX, I2C1_SCL,
LPTIM1_ETR,
TSC_G5_IO3
COMP2_INP
43 59 C3 93 B4 PB7 I/O FTf -
USART1_RX, I2C1_SDA,
LPTIM1_IN2,
TSC_G5_IO4,
USART4_CTS
COMP2_INP, PVD_IN
44 60 B4 94 A4 BOOT0 I - - -
45 61 B3 95 A3 PB8 I/O FTf -
LCD_SEG16, TSC_SYNC,
I2C1_SCL
-
46 62 A3 96 B3 PB9 I/O FTf -
LCD_COM3, EVENTOUT,
I2C1_SDA,
SPI2_NSS/I2S2_WS
-
- - - 97 C3 PE0 I/O FT - LCD_SEG36, EVENTOUT -
- - - 98 A2 PE1 I/O FT - LCD_SEG37, EVENTOUT -
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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