STMicroelectronics STM32F777NIH6

Overview

STM32F777NIH6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz. It integrates 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 embedded HMI, industrial control panels, and connected medical devices requiring real-time graphics and cryptographic acceleration.

For engineers reviewing the STM32F777NIH6 datasheet, STM32F777NIH6 pinout, STM32F777NIH6 application, or STM32F777NIH6 equivalent, key selection criteria include its dual-bank flash architecture for safe firmware updates, 168 I/Os with 5 V tolerance, integrated Ethernet MAC with IEEE 1588v2 support, triple CAN 2.0B interfaces, and hardware AES/SHA/HMAC accelerators - all in a 176-pin UFBGA package with 0.5 mm pitch.

Technical Context

The STM32F777NIH6 implements a tightly coupled memory subsystem with separate 16 KB I/D L1 caches and ART Accelerator, enabling zero-wait-state execution from flash or external memories. Its AXI-AHB bus matrix supports concurrent high-bandwidth access to flash, SRAM, FMC, and peripherals including dual USB OTG (FS + HS), 10/100 Ethernet MAC, and DSI host.

It features three independent 12-bit ADCs (2.4 MSPS, up to 24 channels), two 12-bit DACs, eight-channel DFSDM for sigma-delta sensor interfacing, and a dedicated cryptographic processor for AES-128/192/256, triple DES, SHA-1/SHA-2, and HMAC - all operating under full MPU protection and supported by a true RNG and 96-bit unique ID.

Key Specifications

Pinout & Package

STM32F777NIH6 is housed in a 176-ball Ultra-Fine-Pitch Ball Grid Array (UFBGA176) package measuring 10 mm × 10 mm with 0.5 mm ball pitch and ECOPACK2 environmental compliance. The package supports high-density PCB layouts and thermal performance suitable for industrial and automotive-adjacent applications.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F777NIH6, the STM32H743VIT6 offers higher CPU performance but sacrifices integrated display acceleration, while the STM32F767ZIT6 reduces package complexity and cost at the expense of DSI/JPEG capabilities - making the NIH6 uniquely balanced for graphics-rich, security-aware edge devices.

Availability

STM32F777NIH6 is available at Aetrix Electronics and suitable for industrial HMI panels, medical imaging gateways, programmable logic controllers, and smart energy gateways requiring stable component supply across extended product lifecycles.

Supply support for STM32F777NIH6 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, sensors, and automotive ICs with strong industrial and automotive qualifications.

The STM32F7 series is designed for high-end embedded applications demanding real-time performance, rich multimedia capability, and hardware security - targeting industrial automation, medical devices, and advanced human-machine interfaces.

FAQ

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

The STM32F777NIH6 achieves 216 MHz via its Arm Cortex-M7 core with ART Accelerator and dual 16 KB L1 caches. Stable operation requires proper decoupling with two 2.2 µF VCAP capacitors and a 4–26 MHz external crystal or precision internal RC oscillator calibrated against it. Voltage must be maintained within 1.7–3.6 V per datasheet Section 6.3.1.

Does STM32F777NIH6 support hardware encryption for secure boot?

Yes - it includes dedicated cryptographic accelerators for AES-128/192/256, SHA-1/SHA-224/SHA-256, HMAC, and a True Random Number Generator (RNG). These are accessible via STM32Cube HAL libraries and integrate with the secure boot ROM loader to verify signed firmware images before execution.

Can the DSI host drive a 1080p display?

No - the DSI host is specified for up to 720p at 30 Hz (Section 3.48, DS11243 Rev 8). Driving 1080p requires external DSI-to-LVDS or DSI-to-eDP bridge ICs. The integrated controller supports only single-lane or dual-lane D-PHY configurations compliant with MIPI DSI v1.02.

What debug interfaces are supported and what trace capability exists?

It supports SWD and JTAG via the SWJ-DP debug port, plus Cortex-M7 Trace Macrocell™ (ETM) for instruction and data trace. Full trace requires an external debugger with ETM capture (e.g., ST-LINK/V3 with trace pod) and sufficient bandwidth to handle 216 MHz instruction streams - typically limited to short-duration profiling.