STMicroelectronics STM32F071V8T6

Overview

STM32F071V8T6 from STMicroelectronics is a 32-bit Arm® Cortex®-M0 microcontroller in LQFP64 package, operating up to 48 MHz with 64 KB Flash, 16 KB SRAM (HW parity), and integrated peripherals including 12-bit ADC (1.0 µs), dual-channel 12-bit DAC, two analog comparators, and capacitive touch sensing - deployed in industrial HMI panels requiring low-power real-time control and analog signal conditioning.

For engineers reviewing the STM32F071V8T6 datasheet, STM32F071V8T6 pinout, STM32F071V8T6 application, or STM32F071V8T6 equivalent, key selection criteria include its 48 MHz CPU clock, 5V-tolerant I/O capability (up to 68 pins), VDDIO2 support for mixed-voltage interfacing, RTC with calendar and alarm, and SWD debug interface compatibility.

Technical Context

The STM32F071V8T6 implements a single-core Arm Cortex-M0 processor with Harvard architecture, tightly coupled NVIC supporting 32 interrupt channels and nested priority handling. Its memory subsystem includes 64 KB of on-chip Flash with error correction logic and 16 KB SRAM with hardware parity checking for fault detection.

Clock management integrates multiple oscillators: 4–32 MHz external crystal, 32 kHz LSE for RTC, 8 MHz HSI with PLL (×6), 40 kHz LSI, and factory-trimmed 48 MHz HSI48 oscillator synchronized via CRS - enabling precise USB timing without external crystal.

Key Specifications

Pinout & Package

LQFP64 (10 × 10 mm, 0.5 mm pitch), ECOPACK®2-compliant, with exposed thermal pad for enhanced thermal dissipation in industrial ambient conditions.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32F072V8T6, the STM32F071V8T6 trades USB capability for lower unit cost and identical analog subsystem performance; versus STM32F030F4P6, it delivers full-featured real-time control with robust analog integration - making it optimal for HMI and sensor-edge applications demanding precision and expandability.

Availability

STM32F071V8T6 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, USB-C power monitors, and motor control starter kits requiring stable component supply across long-lifecycle production programs.

Supply support for STM32F071V8T6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.

The STM32F0 series targets cost-sensitive, resource-constrained embedded applications requiring high reliability, low power, and rich analog integration - optimized for industrial control, appliance HMI, and IoT edge nodes.

FAQ

What is the maximum operating frequency and how is it achieved?

The STM32F071V8T6 achieves 48 MHz maximum CPU frequency using its internal 8 MHz HSI oscillator multiplied by the integrated ×6 PLL. Alternatively, an external 4–32 MHz crystal can feed the PLL for higher stability. The HSI48 oscillator - factory-trimmed and synchronized via CRS - also delivers 48 MHz without external crystal, ideal for USB timing.

Does this MCU support hardware cryptographic acceleration?

No, the STM32F071V8T6 does not include hardware cryptographic accelerators such as AES, SHA, or PKA engines. It relies on software libraries for basic encryption tasks. For secure boot or TLS offload, designers should consider STM32L4 or STM32G0 series MCUs with dedicated crypto peripherals.

Can the 12-bit DAC operate simultaneously with the ADC?

Yes, the two 12-bit DAC channels and the 12-bit ADC can operate concurrently. The DACs use separate reference and output paths, and their triggers (software, timer, or external event) are independently configurable. This enables real-time waveform generation while sampling analog inputs - e.g., generating calibration ramps during sensor characterization.

What debug interfaces are supported and what pins do they require?

The STM32F071V8T6 supports Serial Wire Debug (SWD) only - using SWDIO (PA13) and SWCLK (PA14) pins. JTAG is not implemented. These pins are shared with GPIO and alternate functions, so SWD remains available unless explicitly remapped. No additional pins (e.g., TRST, TDI, TDO) are required or supported.