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STMicroelectronics Electronic Components Datasheet

STM32F031E6 Datasheet

32-bit MCU

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STM32F031E6 pdf
STM32F031x4 STM32F031x6
ARM®-based 32-bit MCU with up to 32 Kbyte Flash, 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 25 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
LQFP32 7x7 mm UFQFPN32 5x5 mm WLCSP25 TSSOP20
LQFP48 7x7 mm UFQFPN28 4x4 mm (2.1x2.1 mm)
– 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; one with 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
STM32F031x4
STM32F031C4, STM32F031F4,
STM32F031G4, STM32F031K4
STM32F031C6, STM32F031E6,
STM32F031x6 STM32F031F6, STM32F031G6,
STM32F031K6
August 2015
This is information on a product in full production.
DocID025743 Rev 3
1/113
www.st.com


STMicroelectronics Electronic Components Datasheet

STM32F031E6 Datasheet

32-bit MCU

No Preview Available !

STM32F031E6 pdf
Contents
Contents
STM32F031x4 STM32F031x6
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 ARM®-Cortex®-M0 core with embedded Flash and SRAM . . . . . . . . . . . 12
3.2 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4 Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 13
3.5 Power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.2 Power supply supervisors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.4 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.6 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.8 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.9 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.9.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 16
3.9.2 Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 16
3.10 Analog to digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.10.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.11
3.10.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.10.3 VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.11.1 Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.11.2 General-purpose timers (TIM2..3, TIM14, 16, 17) . . . . . . . . . . . . . . . . . 19
3.11.3 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.11.4 System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.11.5 SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.12 Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 20
3.13 Inter-integrated circuit interfaces (I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.14 Universal synchronous/asynchronous receiver transmitters (USART) . . 22
2/113
DocID025743 Rev 3


Part Number STM32F031E6
Description 32-bit MCU
Maker STMicroelectronics
Total Page 30 Pages
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STM32F031E6 pdf
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