STMicroelectronics STM32F303VEH7

Overview

STM32F303VEH7 from STMicroelectronics is a 32-bit ARM® Cortex®-M4 microcontroller with FPU, 72 MHz max clock, 512 KB Flash, 80 KB SRAM (64 KB + 16 KB CCM), and integrated analog peripherals including four operational amplifiers, seven comparators, two 12-bit DACs, and four ADCs with up to 40 channels and 0.20 µs conversion time. It operates from 2.0–3.6 V and targets motor control, digital power conversion, and capacitive touch systems.

For engineers reviewing the STM32F303VEH7 datasheet, STM32F303VEH7 pinout, STM32F303VEH7 application, or STM32F303VEH7 equivalent, key selection considerations include its dual 12-bit DAC channels (2.4–3.6 V analog supply), rail-to-rail ultra-fast comparators, programmable gain amplifier (PGA) capability in op-amps, and CAN 2.0B interface for industrial communication.

Technical Context

The STM32F303VEH7 implements an ARM Cortex-M4 core with hardware FPU, single-cycle MAC, and DSP instructions-enabling real-time signal processing in motor control loops. Its memory subsystem includes 512 KB Flash with error correction, 64 KB main SRAM with parity, and 16 KB CCM SRAM for deterministic code/data access.

Analog integration centers on concurrent high-speed acquisition: four independent ADCs (12/10/8/6-bit selectable resolution, 0–3.6 V range) feed into a flexible interconnect matrix, while two 12-bit DACs and four op-amps support closed-loop analog output and sensor conditioning-each with dedicated analog supplies (VDDA: 2.4–3.6 V for DAC/op-amps; 2.0–3.6 V for ADC/comparators).

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 pins, thermally enhanced for sustained 72 MHz operation and analog signal integrity.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F303RCT6, the STM32F303VEH7 provides 2× Flash/SRAM and 36 additional I/Os for complex HMI + control integration; versus STM32G474RET6, it trades raw speed and sigma-delta ADC capability for proven industrial qualification and lower system-level BOM cost in established FOC deployments.

Availability

STM32F303VEH7 is available at Aetrix Electronics and suitable for motor control systems, digital power supplies, industrial HMI panels, and medical sensor interfaces requiring stable component supply across multi-year production cycles.

Supply support for STM32F303VEH7 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, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.

The STM32F3 series targets cost-sensitive, analog-intensive embedded applications-delivering high-resolution mixed-signal integration and real-time control capabilities in mainstream Cortex-M4 platforms.

FAQ

What is the maximum operating frequency and associated power supply requirement?

The STM32F303VEH7 achieves 72 MHz maximum CPU frequency when powered by a 2.0–3.6 V supply. At 3.6 V, typical active current consumption is 120 mA (Flash execution), and the internal voltage regulator supports stable core operation across the full voltage range without external LDO dependency.

Does the device support hardware-accelerated cryptographic functions?

No. The STM32F303VEH7 does not include a cryptographic processor or hardware AES/RSA engines. It relies on software libraries for basic encryption; for secure boot or data-at-rest protection, external secure elements or migration to STM32L5/G0 series with CryptoCell is recommended.

How many independent analog-to-digital conversion sequences can run concurrently?

Four independent ADCs (ADC1–ADC4) can operate simultaneously, each with its own trigger source, resolution setting (12/10/8/6-bit), and data register. Their results are accessible via DMA or CPU read without arbitration-enabling true parallel sampling of motor phase currents, bus voltage, temperature, and auxiliary sensors.

What debug interfaces are supported and what are their physical pin assignments?

The STM32F303VEH7 supports SWD (Serial Wire Debug) and JTAG via dedicated pins: SWCLK (PA14), SWDIO (PA13), and optional JTCK/JTMS/JTDI/JTDO (PA15/PB3/PB4/PB5). SWD is the default and recommended interface, requiring only two pins and offering full debug, flash programming, and real-time trace via SWO (PB3 if remapped).