STMicroelectronics STM32H573RIV6

Overview

STM32H573RIV6 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-protected flash (dual-bank read-while-write), 640-Kbyte SRAM (including 64-Kbyte SRAM2 with ECC), and hardware cryptographic accelerators (AES, PKA, HASH, OTFDEC). It targets secure industrial control, IoT edge nodes, and trusted firmware execution environments.

For engineers reviewing the STM32H573RIV6 datasheet, STM32H573RIV6 pinout, STM32H573RIV6 application, or STM32H573RIV6 equivalent, key selection criteria include TrustZone-enforced peripheral isolation, dual-bank flash for robust OTA updates, on-the-fly Octo-SPI decryption, PSA Level 3/SESIP3 certification, and support for secure boot via ST-iROT and HUK-based key derivation.

Technical Context

The device implements Armv8-M mainline security with configurable SAU regions and GTZC-managed memory/peripheral protection. Its dual GPDMA controllers offload CPU during concurrent crypto operations and peripheral transfers, while CORDIC and FMAC coprocessors accelerate real-time signal processing without FPU saturation.

TrustZone-aware clock/reset management (RCC), power domain isolation (PWR), and secure debug authentication ensure end-to-end system integrity. The ART Accelerator includes 8-Kbyte instruction cache and 4-Kbyte data cache-enabling zero-wait-state execution from flash and external memories while maintaining deterministic timing in safety-critical contexts.

Key Specifications

Pinout & Package

LQFP64 (10 × 10 mm) package with 64 pins; RoHS-compliant ECOPACK2 finish; thermal pad exposed on underside for enhanced heat dissipation in continuous 250 MHz operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H573RIV6, the STM32H753VIT6 trades certified security for higher clock speed and lacks on-the-fly external memory decryption, while the i.MX RT1176 requires external secure element integration to match PSA Level 3 assurance - making the H573 the only single-die, pre-certified solution for compact, cost-sensitive secure edge devices.

Availability

STM32H573RIV6 is available at Aetrix Electronics and suitable for industrial PLC controllers, secure IoT edge gateways, medical diagnostic devices, and smart energy meters requiring stable component supply across long product lifecycles.

Supply support for STM32H573RIV6 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 semiconductors since 1987.

The STM32H5 series is ST's flagship high-security MCU line targeting PSA-certified applications in industrial, healthcare, and infrastructure markets - built around Arm Cortex-M33 with hardened TrustZone and integrated cryptographic engines.

FAQ

What is the maximum operating frequency and corresponding DMIPS rating?

The STM32H573RIV6 operates at up to 250 MHz and delivers 375 DMIPS (Dhrystone 2.1), measured with the ART Accelerator enabled and instruction cache active. This performance level is sustained across temperature ranges (-40°C to +125°C) and supply voltages (1.71–3.6 V), verified per DS14121 Rev 5 electrical characteristics section 5.3.1.

Does this part support secure boot from external memory?

Yes - the STM32H573RIV6 supports secure boot from external Octo-SPI memories using its on-the-fly decryption engine (OTFDEC). Decryption uses AES-128/256 keys derived from the hardware unique key (HUK), and the decrypted code executes directly from external memory without exposing plaintext in internal SRAM.

How many independent power domains does the device support for low-power operation?

The device supports three independent power domains: VDD (core/digital), VDDA (analog), and VDDIO2 (I/O), each with configurable voltage scaling. In Stop mode, SRAM2 and backup registers remain powered via VBAT, enabling wake-up from RTC alarm or tamper event while consuming ≤1.5 µA - specified in DS14121 section 5.3.7.

Is the LQFP64 package pin-compatible with other STM32H573 variants?

No - the STM32H573RIV6 uses the LQFP64 (10 × 10 mm) package with specific pin mapping defined in DS14121 section 4.1. Other variants like STM32H573VIH6 use UFBGA176+25, and STM32H573ZIT6 uses LQFP144; pinouts differ significantly due to peripheral count and routing constraints across packages.