STM32F031C4Y6 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F031C4Y6

ARM®-based 32-bit MCU with up to 32 Kbyte Flash, 9 timers, ADC and communication interfaces, 2.0 - 3.6 V

STMicroelectronics 

Pinouts and pin description

STM32F031x4 STM32F031x6

Table 10. Legend/abbreviations used in the pinout table

Name

Abbreviation

Definition

Pin name

Pin type

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

during and after reset is the same as the actual pin name

S

Supply pin

I

Input-only pin

I/O

FT

FTf

TTa

I/O structure

TC

Input / output pin

5 V-tolerant I/O

5 V-tolerant I/O, FM+ capable

3.3 V-tolerant I/O directly connected to ADC

Standard 3.3V I/O

B

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

Pin number

Table 11. Pin definitions

Pin functions

Pin name

(function upon

reset)

Notes

Alternate functions

Additional

functions

1- - - - -

2- - - - -

VBAT

PC13

S-

-

I/O TC (1)(2)

3

-

-

-

-

-

PC14-OSC32_IN

(PC14)

I/O

TC

(1)(2)

4- - - - -

PC15-

OSC32_OUT

(PC15)

I/O TC (1)(2)

5 2 2 2 A5 2

PF0-OSC_IN

(PF0)

I/O FT

-

26/106

DocID025743 Rev 6

Backup power supply

RTC_TAMP1,

-

RTC_TS,

RTC_OUT,

WKUP2

-

OSC32_IN

-

OSC32_OUT

-

OSC_IN

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