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STMicroelectronics Electronic Components Datasheet

STM32F071VB Datasheet

32-bit MCU

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STM32F071x8 STM32F071xB
Arm®-based 32-bit MCU, up to 128 KB Flash, 12 timers,
ADC, DAC 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
– 64 to 128 Kbytes of Flash memory
– 16 Kbytes of SRAM with HW parity
CRC calculation unit
Reset and power management
– Digital and I/O supply: VDD = 2.0 V to 3.6 V
– Analog supply: VDDA = VDD to 3.6 V
– Selected I/Os: VDDIO2 = 1.65 V to 3.6 V
– Power-on/Power down reset (POR/PDR)
– Programmable voltage detector (PVD)
– Low power modes: Sleep, Stop, 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
– Internal 48 MHz oscillator with automatic
trimming based on ext. synchronization
Up to 87 fast I/Os
– All mappable on external interrupt vectors
– Up to 68 I/Os with 5V tolerant capability
and 19 with independent supply VDDIO2
7-channel DMA controller
One 12-bit, 1.0 µs ADC (up to 16 channels)
– Conversion range: 0 to 3.6 V
– Separate analog supply: 2.4 V to 3.6 V
One 12-bit D/A converter (with 2 channels)
2 fast low-power analog comparators with
programmable input and output
Up to 24 capacitive sensing channels for
touchkey, linear and rotary touch sensors
FBGA
LQFP100 14 × 14 mm UFQFPN48
LQFP64 10 × 10 mm 7 × 7 mm
LQFP48 7 × 7 mm
UFBGA100
7 × 7 mm
UFBGA64
5 × 5 mm
WLCSP49
3.3 × 3.1 mm
Calendar RTC with alarm and periodic wakeup
from Stop/Standby
12 timers
– One 16-bit advanced-control timer for
six-channel PWM output
– One 32-bit and seven 16-bit timers, with up
to four IC/OC, OCN, usable for IR control
decoding or DAC control
– Independent and system watchdog timers
– SysTick timer
Communication interfaces
– 2 I2C interfaces supporting Fast Mode Plus
(1 Mbit/s) with 20 mA current sink, one
supporting SMBus/PMBus and wakeup
– 4 USARTs supporting master synchronous
SPI and modem control, two with ISO7816
interface, LIN, IrDA, auto baud rate
detection and wakeup feature
– 2 SPIs (18 Mbit/s) with 4 to 16
programmable bit frames, and with I2S
interface multiplexed
HDMI CEC, wakeup on header reception
Serial wire debug (SWD)
96-bit unique ID
All packages ECOPACK®2
Table 1. Device summary
Reference
Part number
STM32F071x8 STM32F071C8, STM32F071V8
STM32F071xB STM32F071CB, STM32F071RB, STM32F071VB
March 2020
This is information on a product in full production.
DS10009 Rev 7
1/122
www.st.com


STMicroelectronics Electronic Components Datasheet

STM32F071VB Datasheet

32-bit MCU

No Preview Available !

Contents
Contents
STM32F071x8 STM32F071xB
1
2
3
2/122
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Arm®-Cortex®-M0 core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.3 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.4 Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 14
3.5 Power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5.2 Power supply supervisors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.5.4 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.6 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.8 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.9 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.9.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 17
3.9.2 Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 18
3.10 Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.10.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.11
3.10.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.10.3 VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Digital-to-analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.12 Comparators (COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.13 Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.14 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.14.1 Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.14.2 General-purpose timers (TIM2, 3, 14, 15, 16, 17) . . . . . . . . . . . . . . . . . 22
3.14.3 Basic timers TIM6 and TIM7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.14.4 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.14.5 System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
DS10009 Rev 7


Part Number STM32F071VB
Description 32-bit MCU
Maker STMicroelectronics
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STM32F071VB Datasheet PDF





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