STMicroelectronics STM32F732VET6

Overview

STM32F732VET6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with FPU, operating up to 216 MHz (462 DMIPS), featuring 512 KB Flash, 256+16+4 KB SRAM, USB OTG HS/FS, three 12-bit ADCs (2.4 MSPS), two 12-bit DACs, and 21 communication interfaces including CAN 2.0B, used in industrial HMI and motor control edge nodes.

For engineers reviewing the STM32F732VET6 datasheet, STM32F732VET6 pinout, STM32F732VET6 application, or STM32F732VET6 equivalent, key selection criteria include LQFP100 package compatibility, 216 MHz real-time execution with ART Accelerator and L1 cache, triple-interleaved ADC throughput (7.2 MSPS), dual USB OTG support (HS + FS), and hardware AES-128/256 acceleration for secure firmware updates.

Technical Context

The STM32F732VET6 implements an Arm Cortex-M7 core with tightly coupled memory (TCM) architecture: 64 KB data TCM RAM for deterministic real-time data handling and 16 KB instruction TCM RAM for latency-critical routines, both accessible at full 216 MHz CPU speed without wait states. Its adaptive real-time accelerator (ART) enables zero-wait-state execution from Flash via 8 KB instruction and 8 KB data caches.

It integrates dual USB OTG controllers - one full-speed (OTG_FS) with on-chip PHY, and one high-speed/full-speed (OTG_HS) with dedicated DMA and dual PHY support (on-chip HS/FS or external ULPI). The peripheral set includes three independent 12-bit ADCs supporting up to 24 channels and triple interleaving, plus two SAI audio interfaces with internal audio PLL support for synchronized multi-channel audio processing.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm) package with exposed thermal pad; 100 leads, 0.5 mm pitch, RoHS-compliant, rated for industrial temperature range (–40°C to +85°C).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance Cortex-M7 microcontroller applications.

Compared with STM32F732VET6, the STM32F733VET6 adds integrated USB HS PHY and audio PLLs at identical pinout and price point - ideal for audio or HS USB–centric upgrades - while the STM32H743VIT6 delivers significantly higher compute density and security but demands full hardware and software re-architecture.

Availability

STM32F732VET6 is available at Aetrix Electronics and suitable for industrial motor drives, human-machine interfaces, secure IoT gateways, and audio signal processing nodes requiring stable component supply across extended product lifecycles.

Supply support for STM32F732VET6 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 management ICs, sensors, and analog products for industrial, automotive, and consumer markets.

The STM32F7 series targets high-end embedded applications demanding real-time determinism, rich connectivity, and cryptographic security - optimized for motor control, advanced HMI, and edge intelligence where Cortex-M7 performance meets industrial reliability.

FAQ

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

The STM32F732VET6 achieves 216 MHz maximum CPU frequency using its Arm Cortex-M7 core with FPU and adaptive real-time accelerator (ART). ART employs 8 KB instruction and 8 KB data caches to eliminate Flash wait states, enabling zero-wait-state execution. This frequency is sustained under industrial temperature conditions (–40°C to +85°C) with proper VDD supply (1.7–3.6 V) and clock source stability (e.g., 4–26 MHz HSE or 16 MHz HSI).

Does STM32F732VET6 support USB High-Speed (480 Mbit/s) natively?

No - the STM32F732VET6 supports USB High-Speed only via external ULPI PHY connection (pins PB12–PB15). It lacks the integrated high-speed transceiver found in the STM32F733xx variant. Its on-chip USB PHY is full-speed only (12 Mbit/s) on PA11/PA12. For native HS operation, STM32F733VET6 or STM32H743xx must be selected.

How many ADC channels can be simultaneously sampled at full rate?

Three independent 12-bit ADCs support simultaneous sampling in triple interleaved mode, achieving 7.2 MSPS aggregate throughput across up to 24 physical channels. Each ADC operates at 2.4 MSPS individually; interleaving aligns conversion start times and merges results into a unified data stream with <100 ns inter-channel skew - critical for vector-controlled motor drives.

What are the key power management features for battery-operated applications?

The STM32F732VET6 offers Sleep, Stop, and Standby low-power modes with VBAT-backed RTC and 4 KB backup SRAM. In Stop mode with regulator ON, typical current is 75 µA; with regulator OFF, it drops to 12 µA. Wake-up from Stop to Run takes ≤5 µs. The 32 kHz LSE oscillator with calibration maintains RTC accuracy ±1 ppm, and the 32×32-bit backup registers retain state during deep sleep - enabling long-term sensor logging on coin-cell power.