Datasheet

Pin descriptions STM32L073xx
42/137 DocID027096 Rev 2
Pin functions
Alternate
functions
Functions selected through GPIOx_AFR registers
Additional
functions
Functions directly selected/enabled through peripheral registers
Table 15. Legend/abbreviations used in the pinout table (continued)
Name Abbreviation Definition
Table 16. STM32L073xx pin definition
Pin number
Pin name
(function after
reset)
Pin type
I/O structure
Note
Alternate functions Additional functions
LQFP48 LQFP64
TFBGA64
LQFP100
UFBGA100
- - - 1 B2 PE2 I/O FT - LCD_SEG38, TIM3_ETR -
- - - 2 A1 PE3 I/O FT -
TIM22_CH1, LCD_SEG39,
TIM3_CH1
-
- - - 3 B1 PE4 I/O FT - TIM22_CH2, TIM3_CH2 -
- - - 4 C2 PE5 I/O FT - TIM21_CH1, TIM3_CH3 -
- - - 5 D2 PE6 I/O FT - TIM21_CH2, TIM3_CH4 RTC_TAMP3/WKUP3
11B26E2 VLCD S - -
2 2 A2 7 C1 PC13 I/O FT - -
RTC_TAMP1/RTC_TS/
RTC_OUT/WKUP2
33A18D1
PC14-
OSC32_IN
(PC14)
I/O FT - - OSC32_IN
44B19E1
PC15-
OSC32_OUT
(PC15)
I/O TC - - OSC32_OUT
- - - 10 F2 PH9 I/O FT - - -
- - - 11 G2 PH10 I/O FT - - -
55C112F1
PH0-OSC_IN
(PH0)
I/O TC - USB_CRS_SYNC OSC_IN
66D113G1
PH1-
OSC_OUT
(PH1)
I/O TC - - OSC_OUT
7 7 E1 14 H2 NRST I/O - - - -
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