STMicroelectronics STM32H725ZGT6

Overview

STM32H725ZGT6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit MCU operating at up to 550 MHz, featuring 1 MB flash with ECC, 564 KB SRAM (all with ECC), dual 16-bit ADCs delivering up to 3.6 MSPS, and integrated FD-CAN, Ethernet MAC, USB HS/FS OTG, and Chrom-ART Accelerator. It targets real-time industrial HMI, motor control gateways, and edge AI inference nodes requiring deterministic latency and graphics acceleration.

For engineers reviewing the STM32H725ZGT6 datasheet, STM32H725ZGT6 pinout, STM32H725ZGT6 application, or STM32H725ZGT6 equivalent, key selection considerations include its dual-core-ready memory architecture (TCM RAM + system RAM remapping), hardware mathematical accelerators (CORDIC/FMAC), 2×16-bit ADC interleaving capability, and VFQFPN68 package with 68 I/Os supporting multiple low-power timer modes in Stop state.

Technical Context

The STM32H725ZGT6 implements a single Arm Cortex-M7 core with dual-issue superscalar pipeline, DP-FPU, and L1 cache (32 KB I-cache + 32 KB D-cache) enabling zero-wait-state execution from flash or external memory. Its memory subsystem includes 128 KB data TCM RAM for time-critical variables and up to 256 KB system RAM remappable to instruction TCM for real-time code.

Peripherals are organized around a multi-layer AHB/APB bus matrix with 4 independent DMA controllers-including MDMA with linked-list support-and hardware-accelerated signal processing blocks: CORDIC for trigonometric computation and FMAC for FIR/IIR filtering. The analog subsystem integrates two 16-bit ADCs with interleaved mode (7.2 MSPS), two op-amps (GBW = 8 MHz), and two comparators.

Key Specifications

Pinout & Package

VFQFPN68 (8 × 8 mm, 0.4 mm pitch) surface-mount package with exposed thermal pad; suitable for compact industrial and automotive control modules requiring high I/O density and thermal efficiency.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H725ZGT6, the H735ZGT6 adds hardware security features essential for connected devices, while the H723ZGT6 reduces peripheral count to lower cost and power-both maintain identical core performance and memory architecture for seamless migration.

Availability

STM32H725ZGT6 is available at Aetrix Electronics and suitable for industrial HMI gateways, motor control edge nodes, and smart building controllers requiring stable component supply, long-term lifecycle support, and ECOPACK2-compliant packaging.

Supply support for STM32H725ZGT6 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 analog components for industrial, automotive, and consumer markets.

The STM32H7 series targets high-end embedded applications demanding real-time determinism, rich connectivity, and hardware-accelerated math-designed specifically for industrial automation, motor control, and advanced human-machine interfaces.

FAQ

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

The STM32H725ZGT6 achieves 550 MHz via its Arm Cortex-M7 core with dual-issue superscalar pipeline and L1 cache (32 KB instruction + 32 KB data). Zero-wait-state execution is enabled by cache hit rates above 95% during typical real-time workloads, supported by ECC-protected flash and TCM RAM allocation strategies documented in RM0468.

Does the device support hardware-based functional safety certification?

Yes-STM32H725ZGT6 includes ECC on all memories, ROP/PC-ROP protection, tamper detection, and a digital temperature sensor with calibration data. ST provides IEC 61508 SIL-3 and ISO 26262 ASIL-B safety manuals, FMEDA reports, and certified compiler toolchains for qualifying safety-critical systems.

How does the dual 16-bit ADC interleaving improve sampling performance?

Interleaving synchronizes two 16-bit ADCs to achieve 7.2 MSPS aggregate throughput with 16-bit resolution-doubling effective sampling rate without sacrificing precision. This enables accurate current/voltage capture in motor control FOC loops where phase alignment and jitter-free timing are critical.

What are the key thermal design considerations for the VFQFPN68 package?

The VFQFPN68 requires a minimum 12 mm² copper thermal pad connected to internal ground plane with ≥4 thermal vias (0.3 mm diameter, 1 mm spacing). Junction-to-board thermal resistance is 22°C/W; maximum ambient temperature must be limited to 85°C at full 550 MHz operation with active cooling or derated clocking.