STM32L071VB datasheet(40/148 Pages) STMICROELECTRONICS

Part #	STM32L071VB

Description	Access line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC

PDF	148 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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40 / 148 page

Pin descriptions

STM32L071xx

40/148

DS10690 Rev 7

Table 14. Legend/abbreviations used in the pinout table

Name

Abbreviation

Definition

Pin name

Unless otherwise specified in brackets below the pin name, the pin function during and

after reset is the same as the actual pin name

Pin type

Supply pin

Input only pin

I/O

Input / output pin

I/O structure

5 V tolerant I/O

FTf

5 V tolerant I/O, FM+ capable

Standard 3.3V I/O

Dedicated BOOT0 pin

RST

Bidirectional reset pin with embedded weak pull-up resistor

Notes

Unless otherwise specified by a note, all I/Os are set as floating inputs during and after

reset.

Pin functions

Alternate

functions

Functions selected through GPIOx_AFR registers

Additional

functions

Functions directly selected/enabled through peripheral registers

Table 15. STM32L071xxx pin definition

Pin number

Pin name

(function

after reset)

Alternate

functions

Additional

functions

---

PE2

I/O FT

TIM3_ETR

---

PE3

I/O FT

TIM22_CH1,

TIM3_CH1

---

PE4

I/O FT

TIM22_CH2,

TIM3_CH2

---

PE5

I/O FT

TIM21_CH1,

TIM3_CH3

---

PE6

I/O FT

TIM21_CH2,

TIM3_CH4

RTC_TAMP3/

WKUP3

B2 B6

VDD

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