STMicroelectronics STM32H743ZGT6

Overview

STM32H743ZGT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M7 microcontroller operating at up to 480 MHz, featuring 2 MB flash, 1 MB RAM (including 192 KB TCM), dual-bank read-while-write capability, and integrated FPU/DSP instructions. It serves as a high-performance application processor in industrial HMI, motor control gateways, and real-time edge AI inference nodes.

For engineers reviewing the STM32H743ZGT6 datasheet, STM32H743ZGT6 pinout, STM32H743ZGT6 application, or STM32H743ZGT6 equivalent, key selection criteria include its triple-domain power architecture (D1/D2/D3), 168 GPIOs with interrupt capability, dual CAN FD + Ethernet MAC + JPEG codec, and LQFP144 package compatibility with legacy STM32H743ZI designs.

Technical Context

The device implements a 3-bus interconnect matrix (1 AXI + 2 AHB) with 5 AHB2-APB bridges and 2 AXI2-AHB bridges, enabling concurrent high-bandwidth peripheral access. Its memory subsystem integrates 16 KB ITCM + 128 KB DTCM for deterministic code/data execution, plus flexible external memory controller supporting SDRAM, NOR/NAND, and PSRAM at up to 100 MHz.

Clock management uses three independent PLLs - one system clock PLL with fractional mode, two kernel clock PLLs - feeding domain-specific clocks across D1/D2/D3 power domains. Reset and power control includes POR/PDR/PVD/BOR, voltage scaling across 6 ranges, and dedicated USB 3.3 V regulator for internal PHYs.

Key Specifications

Pinout & Package

LQFP144 package with 20 × 20 mm body, 0.5 mm pitch, and exposed thermal pad. Pin count: 144 leads. RoHS-compliant and ECOPACK2 certified.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance Arm Cortex-M7 microcontroller applications.

Compared with STM32H753ZIT6, the STM32H743ZGT6 offers identical real-time performance and peripheral integration at lower cost and power, while the i.MX RT1176DVMAA delivers higher peak M7 frequency but requires external flash and lacks embedded security fuses and ROP protection.

Availability

STM32H743ZGT6 is available at Aetrix Electronics and suitable for industrial motor control gateways, medical imaging edge nodes, smart energy metering hubs, and automotive diagnostic tools requiring stable component supply across long-life production cycles.

Supply support for STM32H743ZGT6 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, specializing in microcontrollers, power management, sensors, and automotive ICs.

The STM32H7 series targets high-end embedded applications demanding real-time determinism, rich connectivity, and graphical user interfaces - designed specifically for industrial automation, medical devices, and automotive telematics.

FAQ

What is the maximum operating frequency and core configuration of the STM32H743ZGT6?

The STM32H743ZGT6 features a single Arm Cortex-M7 core rated for up to 480 MHz operation with double-precision floating-point unit (FPU), 16 KB instruction cache, 16 KB data cache, and memory protection unit (MPU). It does not include a secondary Cortex-M4 core - that configuration is found only in select STM32H75x/76x variants.

Does the STM32H743ZGT6 support hardware JPEG encoding and decoding?

Yes, the STM32H743ZGT6 integrates a dedicated hardware JPEG codec capable of real-time encoding and decoding of JPEG images up to 1080p resolution. This block operates independently of the CPU and supports YUV422/RGB565 input formats with programmable quality and quantization tables.

What are the supported external memory interfaces and their maximum clock rates?

The STM32H743ZGT6 supports Quad-SPI (up to 133 MHz), Flexible Memory Controller (FMC) for SRAM/PSRAM/NOR/NAND/SDRAM (up to 100 MHz in synchronous mode), and Dual-mode Quad-SPI. SDRAM interface supports LPDDR/DDR2 protocols with full command sequencing and refresh control managed by hardware.

How many CAN FD interfaces does the STM32H743ZGT6 provide, and what are their key capabilities?

The STM32H743ZGT6 integrates two fully independent CAN FD controllers (FDCAN1 and FDCAN2), each supporting bit rates up to 5 Mbps in FD mode, ISO 11898-1:2015 compliance, programmable data phase bitrate, and time-triggered communication (TT-CAN) mode with synchronized timestamping and schedule table support.