STMicroelectronics STM32H730ZBT6

Overview

STM32H730ZBT6 from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller operating at up to 550 MHz, featuring 128 KB flash with ECC, 564 KB SRAM (all with ECC), dual 16-bit ADCs (3.6 MSPS), triple FDCAN, Ethernet MAC, USB 2.0 HS/FS OTG, and hardware crypto acceleration (AES-128/192/256, SHA-2, HMAC). It targets real-time industrial HMI, motor control gateways, and secure edge-node applications requiring deterministic execution and graphics offload.

For engineers reviewing the STM32H730ZBT6 datasheet, STM32H730ZBT6 pinout, STM32H730ZBT6 application, or STM32H730ZBT6 equivalent, key selection criteria include LQFP144 package compatibility, 550 MHz M7 core performance with L1 cache, integrated DC-DC regulator, dual 16-bit ADC interleaving capability, and on-chip OTFDEC for Octo-SPI encrypted XiP.

Technical Context

The STM32H730ZBT6 integrates a dual-bank Arm Cortex-M7 core with 32 KB instruction and 32 KB data L1 caches, enabling zero-wait-state execution from flash or external memory. Its memory subsystem includes 128 KB ECC-protected flash, 128 KB TCM RAM for time-critical data, and 432 KB system RAM-up to 256 KB remappable as instruction TCM.

Peripherals are architected for concurrent real-time operation: four DMA controllers (including MDMA with linked-list support), Chrom-ART Accelerator for GUI rendering, CORDIC/FMAC coprocessors for math-intensive tasks, and three independent FDCAN interfaces compliant with ISO 11898-1:2015 for automotive-grade communication.

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with exposed thermal pad; 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 STM32H730ZBT6, the STM32H743ZIT6 offers greater memory and display capability at the expense of power efficiency and bill-of-materials simplicity, while the STM32H750ZBT6 delivers identical performance and integration in a lower-cost variant constrained only by flash size.

Availability

STM32H730ZBT6 is available at Aetrix Electronics and suitable for industrial HMI gateways, secure edge-node controllers, and high-performance motor drives requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for STM32H730ZBT6 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 automotive semiconductors with focus on energy efficiency, reliability, and security.

The STM32H7 series targets high-end embedded applications demanding real-time determinism, rich connectivity, and hardware-accelerated security-specifically engineered for industrial automation, automotive gateways, and AI-edge inference endpoints.

FAQ

What is the maximum operating frequency and core architecture of the STM32H730ZBT6?

The STM32H730ZBT6 features an Arm Cortex-M7 core with double-precision floating-point unit (DP-FPU), running at up to 550 MHz. It includes 32 KB instruction and 32 KB data L1 caches, enabling zero-wait-state execution from flash or external memory. The core achieves 2778 CoreMark and supports DSP instructions, making it suitable for computationally intensive real-time tasks such as motor control and signal processing.

Does the STM32H730ZBT6 support hardware cryptographic acceleration, and which algorithms are implemented?

Yes, the STM32H730ZBT6 integrates dedicated hardware accelerators for AES-128/192/256, TDES, HASH (MD5, SHA-1, SHA-2), and HMAC. It also includes a true random number generator (RNG) and two OTFDEC engines for on-the-fly AES-128 decryption of Octo-SPI memory. These features enable secure boot, encrypted firmware updates, and real-time data protection without CPU overhead.

What package type and pin count does the STM32H730ZBT6 use, and what are its thermal characteristics?

The STM32H730ZBT6 uses a 144-pin LQFP package (20 × 20 mm, 0.5 mm pitch) with an exposed thermal pad. It operates across an industrial temperature range of -40°C to +105°C and incorporates an embedded DC-DC converter to improve thermal efficiency. The package is ECOPACK2-compliant and designed for reflow soldering per JEDEC J-STD-020 standards.

How many ADCs does the STM32H730ZBT6 include, and what are their resolution and sampling capabilities?

The STM32H730ZBT6 includes two independent 16-bit analog-to-digital converters, each capable of up to 3.6 MSPS in 16-bit mode across up to 22 channels. In interleaved mode, they achieve 7.2 MSPS aggregate sampling. It also integrates a third 12-bit ADC (5 MSPS, 12 channels), two comparators, and two operational amplifiers (GBW = 8 MHz), supporting high-fidelity sensor acquisition and closed-loop control.