STMicroelectronics STM32F777NIH6TR

Overview

STM32F777NIH6TR from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz, 2 MB dual-bank flash memory, 512 KB SRAM (including 128 KB data TCM), and integrated hardware JPEG codec, Chrom-ART Accelerator, and MIPI DSI host controller - deployed in industrial HMI, medical imaging front-ends, and networked multimedia gateways.

For engineers reviewing the STM32F777NIH6TR datasheet, STM32F777NIH6TR pinout, STM32F777NIH6TR application, or STM32F777NIH6TR equivalent, key selection criteria include dual-bank flash read-while-write capability, 168 I/Os with 108 MHz toggle rate, hardware crypto acceleration (AES-128/192/256, SHA-1/2, HMAC), Ethernet MAC with IEEE 1588v2 support, and DSI host interface for 720p display subsystems.

Technical Context

The device implements a tightly coupled memory architecture with 16 KB I/D L1 cache and ART Accelerator enabling zero-wait-state execution from flash or external memories. Its AXI-AHB bus matrix supports concurrent high-bandwidth access across CPU, DMA2D, Ethernet MAC, and FMC peripherals.

It integrates three independent CAN 2.0B controllers, dual USB OTG (FS + HS with dedicated DMA), and a flexible external memory controller supporting SDRAM, NOR/NAND, and PSRAM - enabling real-time deterministic processing alongside rich peripheral I/O and graphics offload.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm) package with 100 pins; RoHS-compliant ECOPACK2 packaging; thermal pad on underside for enhanced heat dissipation in continuous operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F767ZIT6, STM32F777NIH6TR adds DSI host and JPEG acceleration for embedded displays; versus STM32H743VIT6, it trades peak clock speed for integrated display subsystem and lower power at 216 MHz - making it optimal for cost-sensitive, display-rich industrial terminals.

Availability

STM32F777NIH6TR is available at Aetrix Electronics and suitable for industrial HMI, medical imaging front-ends, and networked multimedia gateways requiring stable component supply, long-term lifecycle assurance, and full traceability.

Supply support for STM32F777NIH6TR 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, specializing in microcontrollers, power management, sensors, and automotive ICs.

The STM32F7 series targets high-end embedded applications demanding real-time performance, rich graphics, and advanced connectivity - designed specifically for industrial automation, medical devices, and intelligent edge nodes.

FAQ

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

The STM32F777NIH6TR operates at up to 216 MHz with a core supply range of 1.7–3.6 V. It requires two 2.2 µF ceramic decoupling capacitors on VCAP1 and VCAP2 pins for stable regulator operation. At 216 MHz, typical active current consumption is 125 mA (regulator ON, code from flash with L1-cache enabled), verified per DS11243 Rev 8 Section 6.3.7.

Does this MCU support hardware-accelerated encryption for secure boot?

Yes - it integrates dedicated cryptographic accelerators for AES-128/192/256, triple DES, SHA-1/SHA-2 (224/256), HMAC, and MD5, plus a True Random Number Generator (RNG). These modules operate independently of the CPU and are accessible via DMA, enabling secure boot verification and encrypted firmware updates without compromising real-time performance.

Can the DSI host interface drive standard MIPI DSI displays without external components?

Yes - the integrated DSI host controller includes a compliant MIPI D-PHY transmitter (Section 6.3.13–6.3.15) and supports up to 720p@30 Hz resolution. It drives standard 2-lane or 4-lane DSI panels directly; no external PHY or level shifter is required, though proper PCB layout (impedance-controlled differential pairs, length matching) is mandatory for signal integrity.

How many independent CAN interfaces does the STM32F777NIH6TR provide, and what protocol versions are supported?

The device integrates three fully independent bxCAN 2.0B controllers, each supporting both standard (11-bit) and extended (29-bit) identifiers, error handling, and automatic retransmission. All three CAN peripherals are functional simultaneously and share no register conflicts - enabling tri-redundant vehicle networks or multi-bus industrial diagnostics without arbitration bottlenecks.