Datasheet
Pin descriptions STM32L073xx
44/137 DocID027096 Rev 2
- 18 C2 27 E3 VSS S - - - -
-19D228H3 VDD S-- - -
14 20 H3 29 M3 PA4 I/O TC
(1)
SPI1_NSS, TSC_G2_IO1,
USART2_CK, TIM22_ETR
COMP1_INM,
COMP2_INM, ADC_IN4,
DAC_OUT1
15 21 F4 30 K4 PA5 I/O TC -
SPI1_SCK, TIM2_ETR,
TSC_G2_IO2, TIM2_CH1
COMP1_INM,
COMP2_INM, ADC_IN5,
DAC_OUT2
16 22 G4 31 L4 PA6 I/O FT -
SPI1_MISO, LCD_SEG3,
TIM3_CH1, TSC_G2_IO3,
LPUART1_CTS,
TIM22_CH1, EVENTOUT,
COMP1_OUT
ADC_IN6
17 23 H4 32 M4 PA7 I/O FT -
SPI1_MOSI, LCD_SEG4,
TIM3_CH2, TSC_G2_IO4,
TIM22_CH2, EVENTOUT,
COMP2_OUT
ADC_IN7
- 24 H5 33 K5 PC4 I/O FT -
EVENTOUT, LCD_SEG22,
LPUART1_TX
ADC_IN14
- 25 H6 34 L5 PC5 I/O FT -
LCD_SEG23,
LPUART1_RX,
TSC_G3_IO1
ADC_IN15
18 26 F5 35 M5 PB0 I/O FT -
EVENTOUT, LCD_SEG5,
TIM3_CH3, TSC_G3_IO2
LCD_VLCD3, ADC_IN8,
VREF_OUT
19 27 G5 36 M6 PB1 I/O FT -
LCD_SEG6, TIM3_CH4,
TSC_G3_IO3,
LPUART1_RTS_DE
ADC_IN9, VREF_OUT
20 28 G6 37 L6 PB2 I/O FT -
LPTIM1_OUT,
TSC_G3_IO4,
I2C3_SMBA
LCD_VLCD1
- - - 38 M7 PE7 I/O FT -
LCD_SEG45,
USART5_CK/USART5_
RTS
-
- - - 39 L7 PE8 I/O FT - LCD_SEG46, USART4_TX -
- - - 40 M8 PE9 I/O FT -
TIM2_CH1, LCD_SEG47,
TIM2_ETR, USART4_RX
-
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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