STMicroelectronics STM32H7R3V8T6

Overview

STM32H7R3V8T6 from STMicroelectronics is an Arm® Cortex®-M7 32-bit microcontroller operating at up to 600 MHz, featuring 64 KB flash, 620 KB SRAM (548 KB with ECC), dual FD-CAN, Ethernet MAC, and NeoChrom GPU2D for advanced graphics acceleration - deployed in industrial HMI, motor control gateways, and edge AI inference nodes.

For engineers reviewing the STM32H7R3V8T6 datasheet, STM32H7R3V8T6 pinout, STM32H7R3V8T6 application, or STM32H7R3V8T6 equivalent, key selection considerations include its 600 MHz real-time performance with L1 cache, dual FD-CAN support for automotive diagnostics, integrated JPEG codec and LCD-TFT controller for embedded displays, and hardware security features including PKA, HASH, and secure firmware update (SFU).

Technical Context

The STM32H7R3V8T6 implements a dual-bank Arm Cortex-M7 core with MPU, DP-FPU, and 32+32 KB L1 instruction/data cache enabling zero-wait-state execution from flash or external memory. Its memory architecture includes 64 KB user flash, 620 KB SRAM (with TCM, AXI, and backup partitions), and flexible external interfaces: FMC8/16, octo-SPI/XSPI, and dual SDIO.

Security is implemented via root-of-trust boot, secure hide protection area (HDP), embedded RSS services, and dedicated accelerators - PKA (ECC only), HASH, and NIST SP800-90B-compliant RNG. Graphics subsystem integrates NeoChrom GPU2D, Chrom-ART DMA2D, and Chrom-GRC (GFXMMU) for optimized 2D rendering and memory bandwidth reduction.

Key Specifications

Pinout & Package

STM32H7R3V8T6 is packaged in VFQFPN68 (10 × 10 mm, 0.5 mm pitch), a thermally enhanced, space-efficient quad flat no-lead package suitable for high-density PCB layouts and industrial thermal environments.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H743VI and STM32H753VI, the STM32H7R3V8T6 trades raw memory capacity for integrated graphics acceleration, JPEG encoding/decoding, and SMPS power efficiency - making it optimal for cost-sensitive, display-rich, and power-constrained edge devices where silicon-level graphics and media processing reduce BOM count and thermal load.

Availability

STM32H7R3V8T6 is available at Aetrix Electronics and suitable for industrial HMI, automotive gateways, edge AI vision nodes, and high-performance motor control systems requiring stable component supply across extended product lifecycles.

Supply support for STM32H7R3V8T6 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 products for industrial, automotive, and consumer markets.

The STM32H7R series targets cost-optimized, high-performance embedded applications demanding graphics acceleration, FD-CAN, and hardware security - delivering Cortex-M7 performance with streamlined peripheral sets and integrated SMPS for energy-efficient designs.

FAQ

What is the maximum operating frequency and core configuration of the STM32H7R3V8T6?

The STM32H7R3V8T6 features a single Arm Cortex-M7 core running at up to 600 MHz with double-precision FPU, memory protection unit (MPU), and 32+32 KB L1 instruction/data cache. It does not implement dual-core or Cortex-M4 co-processor configurations - all real-time processing occurs on the M7 core with optional TCM RAM for latency-critical code.

Does the STM32H7R3V8T6 support external SDRAM, and what interfaces are available?

Yes, the STM32H7R3V8T6 supports external SDR/LPSDR SDRAM via its Flexible Memory Controller (FMC8/16) with 16-bit data bus capability. It also supports PSRAM, NOR/NAND, and FRAM through FMC or dual octo-SPI/XSPI interfaces - the latter enabling XiP (execute-in-place) from serial memories at up to 200 MHz clock rates.

How does the security architecture of the STM32H7R3V8T6 differ from earlier STM32H7 series?

The STM32H7R3V8T6 introduces embedded Root Secure Services (RSS) for secure firmware installation/update (SFI/SFU), a dedicated Secure Hide Protection Area (HDP), and certificate- or password-based debug authentication. Unlike earlier H7 parts, it integrates hardware-enforced life-cycle management and removes legacy bootROM vulnerabilities via unique boot entry and secure OTP configuration.

Which display interfaces and resolutions does the STM32H7R3V8T6 support natively?

The STM32H7R3V8T6 includes an integrated LCD-TFT controller supporting up to XGA resolution (1024×768) and a parallel slave synchronous interface (PSSI) for digital camera input. It also provides FMC8/16 for parallel RGB/ITU-R BT.656 displays and Chrom-ART DMA2D + NeoChrom GPU2D for hardware-accelerated 2D graphics composition and memory bandwidth optimization.