STMicroelectronics STM32H562IIT6

Overview

STM32H562IIT6 from STMicroelectronics is a high-security, high-performance Arm® Cortex®-M33 32-bit microcontroller with TrustZone®, FPU, and 250 MHz operation delivering 375 DMIPS. It integrates 2-Mbyte ECC flash, 640-Kbyte SRAM (with flexible ECC), CORDIC/FMAC math accelerators, dual FDCAN, USB Type-C®/PD controller, and hardware security features including ECDSA, HASH, and NIST SP800-90B-compliant TRNG. It targets secure industrial control and IoT edge nodes requiring real-time processing and firmware integrity.

For engineers reviewing the STM32H562IIT6 datasheet, STM32H562IIT6 pinout, STM32H562IIT6 application, or STM32H562IIT6 equivalent, key selection criteria include TrustZone-enforced peripheral isolation, dual-bank flash with read-while-write for secure OTA updates, 140 5 V-tolerant GPIOs, integrated SMPS regulator support, and octo-SPI interface for serial PSRAM/NOR expansion.

Technical Context

The device implements Armv8-M mainline security with configurable SAU regions and GTZC-managed memory/peripheral partitioning. Its dual GPDMA controllers offload CPU during high-bandwidth transfers to FMC, OCTOSPI, or Ethernet MAC-enabling concurrent secure firmware update and real-time sensor data acquisition.

ART Accelerator includes 8-Kbyte instruction cache and 4-Kbyte data cache, enabling zero-wait-state execution from flash and deterministic latency for time-critical ISR handling. The CORDIC coprocessor accelerates trigonometric computations for motor control loops, while FMAC supports real-time FIR/IIR filtering in audio or sensor signal conditioning pipelines.

Key Specifications

Pinout & Package

LQFP176 package (24 × 24 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, ECOPACK2 certified.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H563VIT6, the STM32H562IIT6 saves $1.20/unit and eliminates Ethernet magnetics, while retaining identical security, math acceleration, and serial memory capabilities. Against i.MX RT1187, it delivers superior integrated security primitives and power delivery control at lower thermal density.

Availability

STM32H562IIT6 is available at Aetrix Electronics and suitable for industrial PLCs, secure edge gateways, medical diagnostic instruments, and smart energy meters requiring stable component supply across multi-year production cycles.

Supply support for STM32H562IIT6 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 since 1987.

The STM32H5 series targets high-assurance embedded applications demanding hardware-enforced security, real-time determinism, and energy efficiency - specifically engineered for industrial control, medical devices, and infrastructure where certification (IEC 62443, UL 60730) is mandatory.

FAQ

What is the maximum operating frequency and associated DMIPS rating of the STM32H562IIT6?

The STM32H562IIT6 operates at up to 250 MHz with an Arm Cortex-M33 core, achieving 375 DMIPS (Dhrystone 2.1). This performance is sustained across industrial temperature ranges (–40°C to +105°C) with ART Accelerator enabling zero-wait-state execution from embedded flash memory.

Does the STM32H562IIT6 support secure over-the-air (OTA) firmware updates?

Yes. It supports secure OTA via dual-bank flash with read-while-write capability, hardware-accelerated ECDSA signature verification (SFI), and TrustZone-isolated update handlers. Firmware images must be signed with a private key whose public counterpart is stored in secure OTP, ensuring only authorized updates execute.

Which package variant does the STM32H562IIT6 use, and what are its thermal characteristics?

The STM32H562IIT6 uses the LQFP176 package (24 × 24 mm, 0.5 mm pitch) with exposed thermal pad. Its θ_JA is 26.5°C/W under JEDEC JESD51-7 conditions (4-layer board, 2 oz copper), supporting continuous 250 MHz operation up to +105°C ambient with standard forced convection.

Can the STM32H562IIT6 interface directly with external SDRAM or PSRAM, and which controller handles this?

Yes. The Flexible Memory Controller (FMC) supports external SDRAM/LPSDR SDRAM, PSRAM, NOR/NAND, and FRAM with up to 16-bit data bus width. For serial PSRAM/NOR, the Octo-SPI interface provides x8 DDR operation up to 133 MHz - both controllers are TrustZone-aware and configurable as secure peripherals.