STMicroelectronics STM32F733VEY6TR

Overview

STM32F733VEY6TR from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with FPU, operating at up to 216 MHz (462 DMIPS), featuring 512 KB Flash, 256+16+4 KB SRAM (including TCM and backup RAM), dual USB OTG (HS/FS), three 12-bit ADCs (2.4 MSPS), two 12-bit DACs, and 21 communication interfaces including CAN 2.0B, SAI, and SDMMC - deployed in industrial HMI, motor control gateways, and audio-enabled edge nodes.

For engineers reviewing the STM32F733VEY6TR datasheet, STM32F733VEY6TR pinout, STM32F733VEY6TR application, or STM32F733VEY6TR equivalent, key selection criteria include its 216 MHz Cortex-M7 core with L1 cache, dual USB OTG support (including HS PHY), 140 GPIOs with 5 V tolerance, and integrated AES-256 and TRNG for secure firmware updates and real-time audio processing.

Technical Context

The STM32F733VEY6TR implements an adaptive real-time accelerator (ART Accelerator) with 8 KB instruction and 8 KB data caches, enabling zero-wait-state execution from Flash and external memories. Its memory subsystem includes 256 KB data TCM RAM for deterministic real-time data handling and 16 KB instruction TCM RAM for time-critical routines.

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, on-chip FS/HS PHY, and ULPI interface support. The device also features a flexible external memory controller (FMC) supporting SDRAM, NOR/NAND, and PSRAM, plus dual-mode Quad-SPI for XIP and memory-mapped code execution.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with exposed thermal pad; 100-pin quad flat lead frame optimized for industrial PCB assembly and thermal dissipation in enclosed enclosures.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F767ZIT6 and STM32H743VIT6, the STM32F733VEY6TR uniquely delivers integrated USB HS PHY + FS PHY in LQFP100, making it optimal for compact, single-chip USB peripheral gateways - while offering sufficient Flash/RAM for real-time audio and motor control without over-provisioning.

Availability

STM32F733VEY6TR is available at Aetrix Electronics and suitable for industrial HMI, motor control gateways, and secure audio endpoints requiring stable component supply, long-term manufacturability, and qualified automotive-grade traceability.

Supply support for STM32F733VEY6TR 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 STM32F7-series targets high-end embedded applications demanding real-time performance, rich connectivity, and security - with the F733xx variant specifically optimized for USB-centric edge nodes combining audio, motor control, and secure communications in compact form factors.

FAQ

What is the maximum operating frequency and associated performance metric of the STM32F733VEY6TR?

The STM32F733VEY6TR operates at up to 216 MHz with an integer Dhrystone 2.1 score of 462 DMIPS (2.14 DMIPS/MHz). This performance is sustained via the ART Accelerator and dual 8 KB L1 caches, enabling zero-wait-state execution from Flash memory and deterministic real-time behavior in control loops and signal processing tasks.

Does the STM32F733VEY6TR include an integrated high-speed USB PHY, and what are the interface options?

Yes, the STM32F733VEY6TR integrates a full-speed USB PHY for OTG_FS and a dedicated high-speed/full-speed USB OTG_HS PHY with on-chip regulators and clock recovery. It supports direct connection to USB connectors (via series resistors and ESD protection) or external ULPI PHYs - providing design flexibility for HS USB device, host, or OTG roles without external transceivers.

How does the memory architecture support real-time determinism in motor control applications?

The device allocates 256 KB of data TCM RAM and 16 KB of instruction TCM RAM - tightly coupled memory blocks accessible in single-cycle latency. Critical control algorithms (e.g., FOC inner loop) and fast-response variables are placed here, guaranteeing sub-microsecond ISR execution and eliminating cache-miss jitter that would degrade torque ripple or position accuracy in servo drives.

What low-power capabilities are available, and how is RTC functionality maintained during power loss?

The STM32F733VEY6TR supports Sleep, Stop, and Standby modes with VBAT-supplied RTC, 32×32-bit backup registers, and 4 KB backup SRAM. When main VDD is removed, VBAT (e.g., coin cell) sustains the RTC calendar, alarm logic, and retained memory - enabling accurate time-stamping, wake-up scheduling, and state preservation across brownouts in smart meters and portable HMI.