STMicroelectronics STM32F756VGT6

Overview

STM32F756VGT6 from STMicroelectronics is a high-performance ARM Cortex-M7 microcontroller with FPU, 216 MHz max clock, 1 MB Flash, 320+16+4 KB RAM, hardware crypto acceleration (AES-128/192/256, SHA-1/2, HMAC), dual USB OTG (FS + HS), and 10/100 Ethernet MAC with IEEE 1588v2 support - deployed in industrial HMI, medical imaging gateways, and networked edge controllers requiring deterministic real-time processing and secure connectivity.

For engineers reviewing the STM32F756VGT6 datasheet, STM32F756VGT6 pinout, STM32F756VGT6 application, or STM32F756VGT6 equivalent, key selection criteria include its dual-mode Quad-SPI interface for external code/data expansion, Chrom-ART Accelerator™ for LCD-TFT graphics rendering up to XGA resolution, and triple 12-bit ADCs operating at 2.4 MSPS (7.2 MSPS interleaved) for multi-channel sensor acquisition.

Technical Context

The STM32F756VGT6 integrates an Arm Cortex-M7 core with L1 instruction and data caches (4 KB each), ART Accelerator™ enabling zero-wait-state execution from Flash, and MPU for memory protection. It supports adaptive real-time execution via TCM RAM (64 KB data + 16 KB instruction) and includes dual PLLs (main PLL + audio PLL + SAI PLL) for independent clock domain management across USB, Ethernet, audio, and display subsystems.

Its peripheral architecture features a flexible AXI-AHB bus matrix, dual DMA controllers (16-stream general-purpose + dedicated USB/Ethernet DMA), and parallel interfaces including DCMI (54 MB/s camera input) and LTDC (LCD-TFT controller). The device implements two CAN 2.0B controllers, SPDIFRX, HDMI-CEC, and cryptographic accelerators tightly coupled to the bus for low-latency AES/HASH operations.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 pins; RoHS-compliant, industrial temperature range (–40°C to +105°C).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance MCU applications.

Compared with STM32F756VGT6, the STM32H743VIT6 delivers higher compute throughput but sacrifices SPDIFRX and integrated RMII PHY support, while the STM32F767ZIT6 expands Flash and I/O count at the cost of SHA-2 crypto and audio interface capability - making the VGT6 uniquely balanced for secure, multimedia-rich industrial edge nodes.

Availability

STM32F756VGT6 is available at Aetrix Electronics and suitable for industrial HMI, medical imaging gateways, and networked edge controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for safety-critical deployments.

Supply support for STM32F756VGT6 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 automotive semiconductors since 1987.

The STM32F7 series targets high-end real-time embedded applications demanding both computational performance and rich peripheral integration - specifically engineered for industrial automation, medical devices, and advanced human-machine interfaces where deterministic latency and hardware-accelerated security are essential.

FAQ

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

The STM32F756VGT6 achieves 216 MHz maximum CPU frequency using its internal voltage regulator and high-speed external crystal (4–26 MHz) fed into the main PLL. The ART Accelerator™ and 4 KB instruction/data caches eliminate Flash wait states, enabling sustained 216 MHz operation with 462 DMIPS performance and full DSP instruction support.

Does it support hardware encryption for TLS/SSL offload?

Yes - the integrated crypto accelerator supports AES-128/192/256, SHA-1/SHA-224/SHA-256, HMAC-SHA, and RSA signature generation/verification. These engines operate independently of the CPU and are accessible via DMA, enabling full TLS 1.2/1.3 handshake acceleration and encrypted packet processing without degrading real-time task scheduling.

Can the Ethernet MAC operate without an external PHY?

No - the STM32F756VGT6 includes only the Media Access Controller (MAC) layer. For 10/100 operation, an external PHY chip (e.g., LAN8742A) is required. However, it supports RMII interface with reduced pin count and provides IEEE 1588v2 hardware timestamping for precise time-synchronized networking in industrial protocols.

What LCD resolutions does the LTDC controller support?

The LCD-TFT controller (LTDC) supports resolutions up to XGA (1024 × 768) with 24-bit RGB interface, programmable pixel clock, and hardware blending. It includes dual-layer composition with alpha blending, color keying, and dithering - enabling smooth GUI transitions and overlay rendering without CPU involvement via the Chrom-ART Accelerator™.