STM32F031 (F031K6).32 bit microcontroller.Datasheet

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Core: ARM ® 32-bit Cortex ® -M0 CPU,
frequency up to 48 MHz
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: V DDA = from V DD to 3.6 V
Power-on/Power-down reset (POR/PDR)
Programmable voltage detector (PVD)
Low power modes: Sleep, Stop and
V BAT 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 I2 C interface, supporting Fast Mode
Plus (1 Mbit/s) with 20 mA current sink,
SMBus/PMBus, and wakeup from Stop
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 I2 S interface
Serial wire debug (SWD)
96-bit unique ID
Extended temperature range: -40 to +105°C
All packages ECOPACK ®2