STMicroelectronics STM32F745IGT6

Overview

STM32F745IGT6 from STMicroelectronics is a high-performance ARM Cortex-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz. It integrates 1 MB Flash, 320 KB SRAM (including 64 KB data TCM + 16 KB instruction TCM), dual USB OTG (FS/HS), 10/100 Ethernet MAC, LCD-TFT controller up to XGA, and triple 12-bit ADCs (7.2 MSPS interleaved). It targets real-time industrial HMI, motor control gateways, and embedded vision systems requiring deterministic processing and rich peripheral integration.

For engineers reviewing the STM32F745IGT6 datasheet, STM32F745IGT6 pinout, STM32F745IGT6 application, or STM32F745IGT6 equivalent, key selection criteria include TCM RAM allocation for real-time tasks, dual USB OTG PHY support, IEEE 1588v2 Ethernet timing, Chrom-ART Accelerator™ for GUI rendering, and 166 5 V-tolerant I/Os for mixed-voltage system interfacing.

Technical Context

The STM32F745IGT6 implements an Arm Cortex-M7 core with adaptive real-time accelerator (ART Accelerator™) and separate 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 across CPU, DMA2D, Ethernet, and FMC peripherals.

It features dual-mode Quad-SPI, parallel DCMI (54 MB/s), SAI audio interfaces, SPDIFRX, HDMI-CEC, and bxCAN 2.0B - all synchronized via multiple dedicated PLLs (main PLL, PLLI2S, PLLSAI) with independent clock domains for precise timing isolation in mixed-signal applications.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin count: 100 leads; body thickness: 1.4 mm; RoHS-compliant, Pb-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F745IGT6, STM32F746IGT6 adds MIPI-DSI and improved graphics features ideal for advanced displays, while STM32H743VIT6 provides dual-core determinism and hardware crypto at the cost of higher BOM complexity and no integrated Ethernet PHY - making the F745 optimal for cost-sensitive, single-core industrial gateways with built-in Ethernet.

Availability

STM32F745IGT6 is available at Aetrix Electronics and suitable for industrial HMI, motor control gateways, and embedded vision edge nodes requiring stable component supply across extended product lifecycles.

Supply support for STM32F745IGT6 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 ICs, sensors, and automotive semiconductors.

The STM32F7 series targets high-end real-time embedded applications demanding both computational performance and rich peripheral integration - optimized for industrial automation, medical devices, and advanced human-machine interfaces.

FAQ

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

The STM32F745IGT6 achieves 216 MHz maximum CPU frequency using its internal voltage regulator and external 4–26 MHz crystal oscillator feeding the main PLL. The ART Accelerator™ and 4 KB instruction/data L1 caches eliminate Flash wait states, enabling deterministic execution at full speed even with code stored in embedded Flash memory.

Does STM32F745IGT6 support hardware encryption or secure boot?

No, the STM32F745IGT6 does not integrate hardware cryptographic accelerators (AES, HASH, PKA) or secure boot ROM. It relies on software-based security libraries and external secure elements. For hardware-assisted security, ST recommends the STM32H7 series or STM32L5 series, which include TRNG, AES-256, and secure firmware install (SFI) features.

Can the LCD-TFT controller drive displays larger than XGA resolution?

No - the integrated LTDC controller supports up to XGA (1024×768) resolution in RGB mode. Higher resolutions require external display controllers or migration to STM32H7-series MCUs with MIPI-DSI or LVDS interfaces. The F745's Chrom-ART Accelerator™ remains effective for UI rendering within this resolution limit.

What are the key differences between STM32F745IGT6 and STM32F746IGT6?

The STM32F746IGT6 adds MIPI-DSI interface support, enhanced LTDC with dual-layer composition and alpha blending, and optional JPEG hardware decoder. Both share identical CPU, memory, USB/Ethernet, and ADC specs. The F746 is preferred for high-end displays; the F745 offers identical real-time control and connectivity at lower cost where MIPI-DSI is unnecessary.