STMicroelectronics STM32F756BGT6

Overview

STM32F756BGT6 from STMicroelectronics is a high-performance ARM Cortex-M7 32-bit microcontroller with FPU, operating at up to 216 MHz (462 DMIPS), featuring 1 MB Flash, 320+16+4 KB SRAM, hardware crypto acceleration (AES-128/192/256, SHA-1/2, HMAC), and integrated USB OTG HS/FS + 10/100 Ethernet MAC. It serves as the main application processor in industrial HMI, networked edge gateways, and embedded vision systems requiring real-time graphics and secure connectivity.

For engineers reviewing the STM32F756BGT6 datasheet, STM32F756BGT6 pinout, STM32F756BGT6 application, or STM32F756BGT6 equivalent, key selection criteria include its dual-mode Quad-SPI interface for external code/data, Chrom-ART Accelerator™ for LCD-TFT rendering up to XGA, and dual CAN 2.0B controllers for industrial fieldbus integration - all within a TFBGA100 (8×8 mm) package with 100 I/Os and 5 V-tolerant capability.

Technical Context

The STM32F756BGT6 implements a tightly coupled memory architecture with 4 KB instruction and 4 KB data L1 caches plus ART Accelerator™, enabling zero-wait-state execution from Flash and external memories. Its AXI-AHB bus matrix supports concurrent high-bandwidth access across CPU, DMA2D, Ethernet MAC, and FMC peripherals.

It integrates dual USB controllers (OTG_FS with on-chip PHY; OTG_HS with dedicated DMA and ULPI support), IEEE 1588v2-compliant Ethernet MAC with MII/RMII, and a parallel camera interface (DCMI) capable of 54 MB/s throughput - confirming its role in time-sensitive multimedia and deterministic networking applications.

Key Specifications

Pinout & Package

STM32F756BGT6 is housed in a TFBGA100 package (8×8 mm, 0.8 mm ball pitch), optimized for space-constrained industrial and automotive control modules. Pin functions are validated per STMicroelectronics DS10915 Rev 5, Section 4 "Pinouts and pin description".

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F756BGT6, the STM32F767ZIT6 offers greater I/O count and Flash capacity in a larger LQFP package, while the STM32H743VIT6 delivers significantly higher clock speed and dual-core capability but removes native DCMI support - making the BGT6 uniquely balanced for cost-sensitive, camera- and display-integrated industrial controllers.

Availability

STM32F756BGT6 is available at Aetrix Electronics and suitable for industrial HMI panels, edge protocol gateways, and embedded vision nodes requiring stable component supply, long-term manufacturability, and qualified automotive-grade traceability.

Supply support for STM32F756BGT6 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, specializing in microcontrollers, power management, MEMS, and automotive ICs with vertical manufacturing and broad industrial certification coverage.

The STM32F7 series targets high-end real-time embedded applications demanding both computational performance and rich peripheral integration - specifically designed for industrial automation, advanced HMI, and secure connected devices where Cortex-M7 determinism and hardware acceleration are essential.

FAQ

What is the maximum operating frequency and associated power supply requirement for STM32F756BGT6?

The STM32F756BGT6 operates at up to 216 MHz, requiring a stable 1.7–3.6 V VDD supply and mandatory 2.2 µF ceramic decoupling on both VCAP1 and VCAP2 pins to sustain core regulator stability. At full speed, typical active current is 120 mA (regulator ON, code from Flash with ART enabled), per DS10915 Rev 5 Table 26.

Does STM32F756BGT6 support hardware-accelerated graphics rendering, and how is it implemented?

Yes - it integrates the Chrom-ART Accelerator™ (DMA2D), a dedicated 2D graphics co-processor that performs memory-to-memory transfers with alpha blending, color format conversion (e.g., ARGB8888 to RGB565), and raster operations without CPU intervention. This unit connects directly to the LTDC controller and reduces GUI rendering latency by offloading pixel-level computation from the Cortex-M7 core.

Can STM32F756BGT6 interface directly with a parallel digital camera sensor, and what are the timing constraints?

Yes - its Digital Camera Interface (DCMI) supports 8–14-bit parallel YUV/RGB sensors with programmable polarity, synchronization signals (VSYNC/HSYNC/PCLK), and up to 54 MB/s throughput. Validated timing per DS10915 Rev 5 Section 6.3.29 specifies PCLK ≤ 48 MHz, setup/hold times ≥ 5 ns, and supports free-running or snapshot modes with DMA-triggered frame capture.

What cryptographic algorithms are implemented in hardware, and are they certified to any security standards?

Hardware accelerators support AES-128/192/256 (ECB/CBC/CTR/GCM), Triple DES, SHA-1/SHA-224/SHA-256, HMAC, and a True Random Number Generator (TRNG). While the IP itself meets NIST SP800-90B entropy requirements, full device-level certification (e.g., Common Criteria EAL4+) depends on system-level implementation - ST provides AN4526 and UM1985 for secure boot and key management guidance.