STMicroelectronics STM32F745IGK6TR

Overview

STM32F745IGK6TR from STMicroelectronics is a high-performance ARM® Cortex®-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz, featuring 1 MB Flash, 320 KB + 16 KB + 4 KB SRAM, dual USB OTG (FS/HS), 10/100 Ethernet MAC, and LCD-TFT controller supporting XGA resolution. It serves as the main application processor in industrial HMI, medical imaging front-ends, and networked edge gateways requiring real-time graphics and deterministic connectivity.

For engineers reviewing the STM32F745IGK6TR datasheet, STM32F745IGK6TR pinout, STM32F745IGK6TR application, or STM32F745IGK6TR equivalent, key selection criteria include its dual-mode Quad-SPI interface, Chrom-ART Accelerator™ for DMA2D-based GUI rendering, triple interleaved 12-bit ADC (7.2 MSPS), dual CAN 2.0B controllers, and IEEE 1588v2 hardware support in the Ethernet MAC.

Technical Context

The device integrates an adaptive real-time accelerator (ART Accelerator™) and 4 KB instruction/data L1 caches enabling zero-wait-state execution from flash or external memory. Its AXI-AHB bus matrix supports concurrent high-bandwidth access to Flash, SRAM, and peripherals including FMC, SDMMC, and DCMI.

Clock architecture includes three PLLs (main PLL, audio PLL, SAI PLL), dedicated low-power timer (LPTIM1) operational in Stop mode, and dual 12-bit DACs with configurable output buffers. Power management supports Sleep, Stop, and Standby modes with VBAT-backed RTC, 32×32-bit backup registers, and 4 KB backup SRAM.

Key Specifications

Pinout & Package

LQFP176 (24 × 24 mm, 0.5 mm pitch) package with exposed thermal pad; 176 leads arranged in quad flat configuration compliant with JEDEC MO-220.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F767IGK6, the STM32F745IGK6TR offers identical peripheral set and timing capabilities at lower cost and power, while STM32H743VIT6 trades DCMI and LCD support for dual-core flexibility and higher clock speed - making the F745 optimal for single-core, vision+graphics edge devices.

Availability

STM32F745IGK6TR is available at Aetrix Electronics and suitable for industrial HMI, medical imaging front-ends, and networked edge gateways requiring stable component supply throughout long-lifecycle production programs.

Supply support for STM32F745IGK6TR 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.

The STM32F7 series targets high-end embedded applications demanding real-time performance, rich multimedia, and industrial connectivity - designed specifically for deterministic GUI rendering, multi-protocol communication, and sensor fusion in resource-constrained environments.

FAQ

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

The STM32F745IGK6TR achieves 216 MHz maximum CPU frequency using its internal PLL driven by the HSE (4–26 MHz crystal) or HSI (16 MHz RC). The ART Accelerator™ and 4 KB instruction/data L1 caches eliminate wait states, enabling full-speed execution from Flash or external memory. Voltage regulation must be configured for VOS0 (1.8 V) mode to sustain this frequency.

Does this MCU support external SDRAM, and what interface is used?

Yes, the STM32F745IGK6TR supports external SDRAM via its Flexible Memory Controller (FMC) with dedicated SDRAM timing control logic. It supports standard SDRAM (e.g., ISSI IS42S16400J) and low-power SDRAM (LPSDR) with up to 32-bit data bus width, enabling use as frame buffer for LCD-TFT or heap extension for RTOS applications.

How many USB interfaces does it have, and what are their capabilities?

The device integrates two independent USB controllers: USB OTG FS (full-speed, on-chip PHY) and USB OTG HS (high-speed, with ULPI or on-chip FS PHY). Both support device/host/OTG roles, dedicated DMA channels, and battery charging detection (BCD) per USB Battery Charging Spec 1.2 - enabling simultaneous USB mass storage and CDC ACM operation.

Is the LCD-TFT controller compatible with RGB or MIPI DSI displays?

The integrated LCD-TFT controller supports only parallel RGB interfaces (8080/6800 modes) up to XGA (1024×768) resolution. It does not support MIPI DSI or LVDS directly; external bridge ICs (e.g., Parade PS8640) are required for MIPI DSI compatibility. The Chrom-ART Accelerator™ accelerates pixel format conversion and alpha blending for RGB output only.