STMicroelectronics STM32F767IIT6

Overview

STM32F767IIT6 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 memory, and 512 KB + 16 KB + 4 KB RAM configuration. It integrates USB OTG HS/FS, Ethernet MAC with IEEE 1588 support, MIPI DSI host controller, LCD-TFT controller, and hardware JPEG codec - deployed in industrial HMI, medical imaging front-ends, and real-time motor control systems.

For engineers reviewing the STM32F767IIT6 datasheet, STM32F767IIT6 pinout, STM32F767IIT6 application, or STM32F767IIT6 equivalent, key selection considerations include its dual-bank flash for safe firmware updates, TCM RAM allocation for deterministic real-time routines, DSI interface for embedded display subsystems, and hardware-accelerated graphics via Chrom-ART DMA2D.

Technical Context

The STM32F767IIT6 implements a tightly coupled Arm Cortex-M7 core with ART Accelerator and 16 KB I/D cache, enabling zero-wait-state execution from flash or external memory. Its AXI-AHB bus matrix supports concurrent access to flash, SRAM, and peripherals while maintaining deterministic latency for time-critical tasks.

It features three independent clock domains (SYSCLK, AHB, APB) managed by multiple PLLs including PLLSAI for audio/LCD timing and PLLI2S for SAI synchronization. The flexible memory controller (FMC) supports NOR/NAND/SDRAM with configurable wait states and burst modes, directly interfacing with external displays or FPGA co-processors.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 leads; RoHS-compliant ECOPACK2 construction. Pin functions validated per STMicroelectronics DS11532 Rev 9, Section 4 "Pinouts and pin description" and Table 11 "Pin and ball definitions".

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H743VIT6, the STM32F767IIT6 delivers proven DSI integration for compact display subsystems, while the STM32F769IIK6 adds cryptographic acceleration at the expense of larger package and higher unit cost - making the IIT6 optimal for cost-sensitive, display-centric real-time applications.

Availability

STM32F767IIT6 is available at Aetrix Electronics and suitable for industrial HMI terminals, medical imaging front-ends, and real-time motor control gateways requiring stable component supply, long-term lifecycle assurance, and full traceability through ST's qualified manufacturing lines.

Supply support for STM32F767IIT6 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-grade components since 1987.

The STM32F7 series targets high-end embedded applications demanding real-time determinism, rich connectivity, and advanced graphics - optimized for industrial automation, medical devices, and human-machine interfaces where performance-per-milliwatt and peripheral integration are critical.

FAQ

What is the maximum operating temperature range for STM32F767IIT6?

The STM32F767IIT6 is rated for industrial temperature range: –40 °C to +85 °C ambient, verified per STMicroelectronics DS11532 Rev 9 Section 6.3.1. Thermal derating begins above 70 °C ambient when operating at 216 MHz with full peripheral activation; junction temperature must remain below 125 °C per absolute maximum ratings.

Does STM32F767IIT6 support external SDRAM, and what are the timing constraints?

Yes - the Flexible Memory Controller (FMC) supports SDRAM up to 16 MB with 16-bit data bus, requiring precise setup/hold/tRP/tRC timing per JEDEC JESD79-3F. Validated configurations include ISSI IS42S16400J-6BL (6 ns CL) and Micron MT48LC4M32B2B5-6A. Critical constraints: tRC ≥ 60 ns, tRP ≥ 20 ns, and clock-to-data skew < 300 ps for reliable 100 MHz operation.

How is the DSI host interface configured for 720p@30 Hz output?

DSI host requires MIPI D-PHY clock lane at 375 MHz (750 Mbps per lane) with 4 data lanes enabled. Configuration involves setting DSI_PHY_TMR register for LP-to-HS transition timing, configuring video mode packet size in DSI_VCR, and synchronizing LTDC pixel clock (typically 74.25 MHz) to DSI byte clock. Reference design AN4861 specifies exact register sequences and PCB layout rules for signal integrity.

Can the STM32F767IIT6 execute code directly from external QSPI flash?

No - the Quad-SPI interface supports memory-mapped read-only access to external flash, but code execution requires copying to internal SRAM or TCM RAM first. Dual-bank internal flash remains the only location supporting XIP (execute-in-place); external QSPI is limited to data storage and firmware image staging due to lack of prefetch and cache coherency support for external memory.