STMicroelectronics STM32H723VGH6

Overview

STM32H723VGH6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller 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 Ethernet MAC + USB 2.0 HS/FS OTG. It targets real-time industrial HMI, motor control gateways, and edge AI inference nodes requiring deterministic execution and graphics acceleration.

For engineers reviewing the STM32H723VGH6 datasheet, STM32H723VGH6 pinout, STM32H723VGH6 application, or STM32H723VGH6 equivalent, key selection criteria include L1 cache configuration (32 KB I-cache + 32 KB D-cache), FDCAN triple-channel support, Chrom-ART Accelerator for XGA LCD-TFT rendering, and dual-port DMA architecture enabling concurrent peripheral offload without CPU contention.

Technical Context

This MCU implements a tightly coupled dual-bus matrix interconnect supporting simultaneous access to flash, SRAM, and peripherals-critical for sustaining 550 MHz core throughput while servicing 35 communication interfaces. Its memory subsystem includes 128 KB data TCM RAM for time-critical variables and 432 KB system RAM, with up to 256 KB remappable as instruction TCM for latency-sensitive code.

The analog subsystem integrates two independent 16-bit ADCs (7.2 MSPS in interleaved mode), two 12-bit DACs, two operational amplifiers (GBW = 8 MHz), and two comparators-enabling closed-loop precision control without external signal conditioning. The CORDIC and FMAC coprocessors accelerate trigonometric and FIR/IIR filter computations in hardware, reducing DSP load by >60% versus software-only execution.

Key Specifications

Pinout & Package

STM32H723VGH6 uses a UFBGA144 (7×7 mm) package with 114 user I/Os, 10 power supply pins (VDD/VSS), and dedicated voltage regulator inputs (VCAP1/VCAP2). Pin functions are defined per alternate function mapping across 16 GPIO groups (GPIOA–GPIOI), supporting configurable pull-up/down, analog mode, and interrupt capability on all pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H723VGH6, the H735VGT6 provides scalable memory and dual-core flexibility at higher cost and power, while the H725VGT6 trades raw performance for hardened security-making the H723VGH6 optimal for cost-sensitive, high-throughput deterministic applications without crypto compliance mandates.

Availability

STM32H723VGH6 is available at Aetrix Electronics and suitable for industrial HMI gateways, real-time motor control systems, edge AI sensor hubs, and secure industrial gateways requiring stable component supply across multi-year production cycles.

Supply support for STM32H723VGH6 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 analog components for industrial, automotive, and consumer markets.

The STM32H7 series targets high-end embedded applications demanding real-time determinism, rich connectivity, and graphics capability-specifically engineered for industrial automation, motor control, and human-machine interface systems where performance-per-watt and peripheral integration are critical.

FAQ

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

The STM32H723VGH6 achieves 550 MHz via its Arm Cortex-M7 core with dual 32 KB L1 caches (instruction and data), allowing zero-wait-state execution from embedded flash. This requires proper VCAP capacitor placement (2.2 µF per pin) and stable 1.62–3.6 V supply. The core clock derives from a PLL fed by HSE (4–50 MHz) or HSI (64 MHz), with programmable dividers ensuring precise frequency synthesis without jitter accumulation.

Does this MCU support external SDRAM, and what interface is used?

Yes, STM32H723VGH6 supports external SDRAM through its Flexible Memory Controller (FMC) with 16-bit data bus and dedicated SDRAM command signals (CK, CKE, CAS, RAS, WE). It complies with JEDEC standards for LPDDR/SDR SDRAM and supports up to 256 MB density. Configuration requires precise timing register setup per SDRAM part number and clock frequency, validated in ST's AN5213 application note.

How does the Chrom-ART Accelerator reduce CPU load in GUI applications?

The Chrom-ART Accelerator (DMA2D) performs hardware-accelerated 2D graphics operations-including memory-to-memory copy, pixel format conversion (e.g., ARGB8888 to RGB565), alpha blending, and layer composition-without CPU intervention. In typical XGA (1024×768) UI rendering, it reduces CPU utilization from >85% to <15%, enabling the M7 core to concurrently handle real-time control tasks while maintaining smooth 60 fps display updates.

What are the key power management features for battery-operated designs?

STM32H723VGH6 offers Sleep, Stop, and Standby low-power modes with wake-up from multiple sources (I/O, RTC alarm, comparator output, FDCAN activity). In Stop mode, SRAM and registers retain state while core clocks halt; VBAT powers RTC and 4 KB backup SRAM. The embedded LDO regulator and dynamic voltage scaling allow adjusting core voltage (1.0–1.2 V) to match operating frequency, achieving 120 µA/MHz active current and 2.5 µA in Standby with RTC enabled.