STM32L051C8 datasheet(37/127 Pages) STMICROELECTRONICS

Part #	STM32L051C8

Description	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, ADC

PDF	127 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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37 / 127 page

DocID025938 Rev 6

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STM32L051x6 STM32L051x8

Pin descriptions

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. STM32L051x6/8 pin definitions

Pin Number

Pin name

(function

after reset)

Alternate functions

Additional

functions

1B2

VDD

2A2

PC13

I/O

RTC_TAMP1/

RTC_TS/

RTC_OUT/

WKUP2

3A1

PC14-

OSC32_IN

(PC14)

I/O

OSC32_IN

STM32L051C8 Datasheet(PDF) 37 Page - STMicroelectronics

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