STMicroelectronics STM32F765NIH7

Overview

STM32F765NIH7 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with integrated FPU, delivering 462 DMIPS at 216 MHz, 2 MB dual-bank flash, 512 KB SRAM (including 128 KB data TCM), USB OTG HS/FS, MIPI DSI host controller, and LCD-TFT controller supporting XGA resolution. It targets advanced embedded applications requiring real-time graphics, connectivity, and deterministic processing - such as industrial HMIs and medical imaging front-ends.

For engineers reviewing the STM32F765NIH7 datasheet, STM32F765NIH7 pinout, STM32F765NIH7 application, or STM32F765NIH7 equivalent, key selection criteria include its 216 MHz Cortex-M7 core with L1 cache, dual-bank flash for seamless firmware updates, hardware JPEG codec, Chrom-ART Accelerator for GUI rendering, and support for up to 720p DSI displays.

Technical Context

The STM32F765NIH7 implements a tightly coupled memory architecture with separate 16 KB I/D caches, ART Accelerator for zero-wait-state flash execution, and dual-mode Quad-SPI for external memory expansion. Its AXI-AHB bus matrix enables concurrent access to flash, SRAM, and peripherals without contention.

It integrates three independent CAN 2.0B controllers, dual USB OTG (FS + HS with dedicated DMA), 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping, and a full-featured MIPI D-PHY compliant DSI host supporting up to 720p@30 Hz - all synchronized via multiple PLLs including PLLSAI for audio/LCD clock generation.

Key Specifications

Pinout & Package

STM32F765NIH7 is housed in a UFBGA176 package (10 × 10 mm, 0.65 mm ball pitch), RoHS-compliant and ECOPACK2 certified. The package supports high-density PCB layouts while maintaining signal integrity for high-speed interfaces including DSI, Ethernet, and USB HS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F765NIH7, STM32F767ZIT6 trades DSI capability for easier layout and PHY integration, while STM32H743BIT6 delivers significantly higher performance and security at the cost of increased power and toolchain complexity - making the F765NIH7 optimal for cost-constrained, display-integrated edge devices.

Availability

STM32F765NIH7 is available at Aetrix Electronics and suitable for industrial HMIs, medical imaging front-ends, smart building gateways, and test & measurement instruments requiring stable component supply, long-term lifecycle support, and validated production-grade silicon.

Supply support for STM32F765NIH7 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 is engineered for high-end embedded applications demanding real-time performance, rich graphics, and multi-protocol connectivity - targeting industrial automation, medical devices, and premium consumer electronics where deterministic execution and peripheral integration are critical.

FAQ

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

The STM32F765NIH7 achieves 216 MHz via its Arm Cortex-M7 core with ART Accelerator and 16 KB L1 cache, enabling zero-wait-state execution from flash. This requires proper VCAP1/VCAP2 decoupling (2.2 µF each), stable 1.7–3.6 V supply, and correct PLL configuration using the internal 16 MHz RC or external 4–26 MHz crystal. No external clock source exceeding 26 MHz is supported for direct oscillator input.

Does STM32F765NIH7 support MIPI DSI with command mode or only video mode?

Yes, the DSI host controller supports both video mode (burst and non-burst) and command mode per MIPI D-PHY v1.2 specification. Command mode enables low-power partial screen updates and register-based display control, essential for battery-powered HMIs. Configuration is done via DSIHOST registers and requires precise timing calibration per panel datasheet.

How does the dual-bank flash architecture enable firmware updates?

Dual-bank flash allows one bank (e.g., Bank 1) to run active firmware while the other (Bank 2) is erased and reprogrammed via bootloader or application code. Switching occurs via SYSCFG_MEMRMP register, with no reset required. This enables seamless over-the-air or USB-based updates without service interruption - critical for medical and industrial systems requiring 99.99% uptime.

Can the Ethernet MAC operate without an external PHY?

No - the STM32F765NIH7 integrates only the Media Access Controller (MAC), not the Physical Layer (PHY). An external 10/100 Ethernet PHY (e.g., LAN8742A) is required for MII or RMII interface. The MAC supports IEEE 1588v2 hardware timestamping and checksum offload, but physical layer signaling, line drivers, and magnetics must be provided externally.