STMicroelectronics STM32H563ZIT3QTR

Overview

STM32H563ZIT3QTR 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 flash with ECC, 640 Kbyte SRAM (including ECC-protected SRAM2/SRAM3), CORDIC/FMAC math accelerators, dual FDCAN, USB Type-C®/PD, and Ethernet MAC - deployed in industrial gateways requiring secure edge processing, encrypted firmware updates, and real-time connectivity.

For engineers reviewing the STM32H563ZIT3QTR datasheet, STM32H563ZIT3QTR pinout, STM32H563ZIT3QTR application, or STM32H563ZIT3QTR equivalent, key selection criteria include TrustZone-enforced peripheral isolation, dual-bank read-while-write flash for seamless OTA updates, SMPS-regulated 1.71–3.6 V supply scalability, and 140 I/Os with 5 V tolerance for mixed-voltage system interfacing.

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 concurrent high-bandwidth transfers across Octo-SPI, FMC, and Ethernet MAC.

ART Accelerator includes 8-Kbyte instruction cache and 4-Kbyte data cache enabling zero-wait-state execution from flash and external memories. Clock architecture supports dual PLLs (main/system + audio), CRS for USB clock recovery, and flexible low-power timer operation down to Stop mode.

Key Specifications

Pinout & Package

LQFP144 package with 144 leads, 0.5 mm pitch, 20 × 20 mm body, exposed thermal pad. Pinout validated per DS14258 Rev 6 Section 4.1 (LQFP144 ballout schematic) and Section 4.2 (pin description).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H563VIK6, the STM32H563ZIT3QTR provides 100% more flash and 44 additional I/Os in LQFP144; versus i.MX RT1189, it delivers fully integrated TrustZone without external security IC dependency, simplifying BOM and certification.

Availability

STM32H563ZIT3QTR is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, programmable logic controllers, and HMI controllers requiring stable component supply across extended product lifecycles.

Supply support for STM32H563ZIT3QTR 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, specializing in microcontrollers, power management, and automotive ICs with vertical manufacturing capability.

The STM32H5 series targets high-assurance embedded systems demanding PSA Certified security, deterministic real-time performance, and scalable connectivity - designed for industrial automation, energy infrastructure, and medical edge devices.

FAQ

What is the maximum operating temperature range for STM32H563ZIT3QTR?

The STM32H563ZIT3QTR is rated for industrial temperature operation from –40 °C to +105 °C, verified per DS14258 Rev 6 Section 5.3.1. This range applies to all peripherals and memory subsystems under specified supply and loading conditions, making it suitable for deployment in uncontrolled environments such as outdoor substations or factory floors.

Does STM32H563ZIT3QTR support secure boot with hardware root-of-trust?

Yes. The device implements secure boot via hardware-verified chain-of-trust: ROM bootloader validates signed firmware images using ECDSA and PKA, enforced by TrustZone and SFI. Boot configuration is locked by fuse programming, and debug access requires authenticated credentials per life-cycle state - all documented in DS14258 Sections 3.7 and 8.

Can the internal SMPS replace the external LDO for core voltage regulation?

Yes. The integrated SMPS step-down converter supplies VCORE with configurable output (0.8–1.2 V) and supports dynamic voltage scaling. It replaces external LDOs in most applications, reducing thermal load and bill-of-materials cost - detailed in DS14258 Section 3.10.1 and electrical characteristics Table 5.3.3.

How many independent clock sources does STM32H563ZIT3QTR provide for redundancy?

The MCU integrates six independent clock sources: 64 MHz HSI, 48 MHz HSI48, 4 MHz CSI, 32 kHz LSI, 4–50 MHz HSE, and 32.768 kHz LSE. These feed three PLLs and support automatic clock failover - critical for fault-tolerant timing in safety-critical applications per DS14258 Section 3.12.