STMicroelectronics STM32F777BIT6

Overview

STM32F777BIT6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz, featuring 2 MB dual-bank flash (enabling read-while-write), 512 KB SRAM (including 128 KB data TCM + 16 KB instruction TCM), hardware JPEG codec, LCD-TFT controller supporting XGA resolution, and MIPI DSI host for 720p displays. It targets advanced embedded HMI systems requiring real-time graphics, cryptographic acceleration (AES-128/192/256, SHA-1/2, RNG), and multi-interface connectivity.

For engineers reviewing the STM32F777BIT6 datasheet, STM32F777BIT6 pinout, STM32F777BIT6 application, or STM32F777BIT6 equivalent, key selection considerations include its dual-bank flash architecture for seamless firmware updates, dedicated TCM RAM for deterministic real-time execution, integrated Chrom-ART Accelerator (DMA2D) for GUI rendering offload, and triple CAN 2.0B interfaces for industrial control networks.

Technical Context

The STM32F777BIT6 implements a tightly coupled memory subsystem with separate 16 KB I-cache and D-cache, ART Accelerator, and L1 cache enabling zero-wait-state execution from flash or external memories. Its AXI-AHB bus matrix supports concurrent high-bandwidth access across CPU, DMA, and peripherals including Ethernet MAC, USB OTG HS/FS, and SDMMC.

It integrates dual-mode Quad-SPI for external memory expansion, flexible FMC supporting SDRAM/NOR/NAND, and three independent 12-bit ADCs (2.4 MSPS, up to 24 channels) with DFSDM filters for sigma-delta sensor interfacing - all synchronized via a centralized clock tree with multiple PLLs (main, audio, SAI) and precise RTC with subsecond accuracy.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm) package with 100 pins; RoHS-compliant ECOPACK2.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F777BIT6, the STM32H743VIT6 trades display interface for higher compute throughput and dual-core flexibility, while the STM32F767ZIT6 reduces feature set and package size to lower cost - making the F777BIT6 optimal for integrated display + crypto + CAN-rich edge nodes.

Availability

STM32F777BIT6 is available at Aetrix Electronics and suitable for industrial HMI panels, medical imaging terminals, automotive diagnostic tools, and smart energy gateways requiring stable component supply across extended product lifecycles.

Supply support for STM32F777BIT6 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, analog ICs, power devices, and sensors for industrial, automotive, and consumer markets.

The STM32F7 series targets high-end embedded applications demanding real-time performance, rich graphics, and robust security - specifically engineered for human-machine interfaces, industrial automation, and medical devices with stringent functional safety requirements.

FAQ

What is the maximum operating frequency and corresponding performance metric of the STM32F777BIT6?

The STM32F777BIT6 operates at up to 216 MHz with an Arm Cortex-M7 core, achieving 462 DMIPS (Dhrystone 2.1) and 2.14 DMIPS/MHz. This performance is sustained using the ART Accelerator and 16 KB I/D caches, enabling zero-wait-state execution from flash or external memory. The core includes a double-precision FPU and DSP instructions for floating-point and signal-processing workloads.

Does the STM32F777BIT6 support hardware-accelerated cryptography, and which algorithms are implemented?

Yes, the STM32F777BIT6 integrates dedicated cryptographic hardware supporting AES-128/192/256 encryption/decryption, triple DES, SHA-1 and SHA-2 (SHA-224/256), HMAC, and a true random number generator (RNG). These accelerators operate independently of the CPU, reducing latency and power consumption during secure boot, TLS handshake, or firmware signature verification.

What display interfaces does the STM32F777BIT6 provide, and what resolutions are supported?

The STM32F777BIT6 features an integrated LCD-TFT controller supporting up to XGA (1024×768) resolution and a MIPI DSI host controller supporting up to 720p (1280×720) at 30 Hz. It includes the Chrom-ART Accelerator (DMA2D) for hardware-accelerated 2D graphics operations and a hardware JPEG codec for real-time image decode - eliminating need for external display processors.

How many communication interfaces does the STM32F777BIT6 integrate, and which are most relevant for industrial networking?

The STM32F777BIT6 integrates up to 28 communication interfaces, including 3× CAN 2.0B controllers, 4× USART/UART, 6× SPI, 2× SAI, 2× USB OTG (HS/FS), and a 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping. For industrial networking, the triple CAN interfaces enable redundancy or multi-bus architectures, while the Ethernet MAC supports PROFINET, EtherNet/IP, and time-sensitive networking (TSN) protocols.