STM32F031X4 datasheet(1/106 Pages) STMICROELECTRONICS

Part #	STM32F031X4

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

PDF	106 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 106 page

This is information on a product in full production.

May 2017

DocID025743 Rev 6

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STM32F031x4 STM32F031x6

ARM®-based 32-bit MCU with up to 32 Kbyte Flash, 9 timers,

ADC and communication interfaces, 2.0 - 3.6 V

Datasheet

- production data

Features

• Core: ARM® 32-bit Cortex®-M0 CPU,

frequency up to 48 MHz

• Memories

– 16 to 32 Kbytes of Flash memory

– 4 Kbytes of SRAM with HW parity

• CRC calculation unit

• Reset and power management

– Digital and I/Os supply: 2.0 to 3.6 V

– Analog supply: VDDA = from VDD to 3.6 V

– Power-on/Power-down reset (POR/PDR)

– Programmable voltage detector (PVD)

– Low power modes: Sleep, Stop and

Standby

–VBAT supply for RTC and backup registers

• Clock management

– 4 to 32 MHz crystal oscillator

– 32 kHz oscillator for RTC with calibration

– Internal 8 MHz RC with x6 PLL option

– Internal 40 kHz RC oscillator

• Up to 39 fast I/Os

– All mappable on external interrupt vectors

– Up to 26 I/Os with 5 V tolerant capability

• 5-channel DMA controller

• 1 × 12-bit, 1.0 µs ADC (up to 10 channels)

– Conversion range: 0 to 3.6V

– Separate analog supply from 2.4 up to

3.6 V

• Up to 9 timers

– 1 x 16-bit 7-channel advanced-control timer

for 6 channels PWM output, with deadtime

generation and emergency stop

– 1 x 32-bit and 1 x 16-bit timer, with up to 4

IC/OC, usable for IR control decoding

– 1 x 16-bit timer, with 2 IC/OC, 1 OCN,

deadtime generation and emergency stop

– 1 x 16-bit timer, with IC/OC and OCN,

deadtime generation, emergency stop and

modulator gate for IR control

– 1 x 16-bit timer with 1 IC/OC

– Independent and system watchdog timers

– SysTick timer: 24-bit downcounter

• Calendar RTC with alarm and periodic wakeup

from Stop/Standby

• Communication interfaces

– 1 x I2C interface, supporting Fast Mode

Plus (1 Mbit/s) with 20 mA current sink,

SMBus/PMBus, and wakeup from Stop

mode

– 1 x USART supporting master synchronous

SPI and modem control, ISO7816

interface, LIN, IrDA capability, auto baud

rate detection and wakeup feature

– 1 x SPI (18 Mbit/s) with 4 to 16

programmable bit frames, with I2S interface

multiplexed

• Serial wire debug (SWD)

• 96-bit unique ID

• Extended temperature range: -40 to +105°C

• All packages ECOPACK®2

Table 1. Device summary

Reference

Part number

STM32F031x6

STM32F031C6, STM32F031E6,

STM32F031F6, STM32F031G6,

STM32F031K6

STM32F031x4

STM32F031C4, STM32F031F4,

STM32F031G4, STM32F031K4

UFQFPN32 5x5 mm

TSSOP20

UFQFPN28 4x4 mm

LQFP32 7x7 mm

LQFP48 7x7 mm

WLCSP25

2.1x2.1 mm

6.5x4.4 mm

www.st.com

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