STMicroelectronics STM32H753IIK6

Overview

STM32H753IIK6 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-domain power management, and integrated cryptographic accelerators (AES-256, SHA-2, RNG). It serves as a high-performance application processor in industrial HMI, motor control gateways, and secure edge nodes requiring real-time determinism and rich peripheral integration.

For engineers reviewing the STM32H753IIK6 datasheet, STM32H753IIK6 pinout, STM32H753IIK6 application, or STM32H753IIK6 equivalent, key selection criteria include its 480 MHz M7 core with L1 cache, dual-bank flash for seamless firmware updates, 3× PLLs with fractional mode, 35 communication interfaces (including 2x CAN FD), and hardware JPEG/DFSDM support for vision and sensor fusion systems.

Technical Context

The device implements a three-domain power architecture (D1/D2/D3) enabling independent clock gating and voltage scaling across performance, peripheral, and system-control subsystems. Its interconnect matrix comprises one AXI and two AHB bus matrices with five AHB2-APB bridges, supporting concurrent high-bandwidth data paths for CPU, MDMA, and dual-port DMAs.

It integrates three dedicated PLLs: one system PLL driving the CPU at 480 MHz with optional spread-spectrum modulation, and two kernel PLLs independently clocking peripheral domains-including Ethernet MAC, USB OTG HS, and SDMMC-while maintaining phase coherence for time-critical protocols like CAN FD and SPDIFRX.

Key Specifications

Pinout & Package

STM32H753IIK6 is housed in a 208-pin LQFP package (28 × 28 mm, 0.5 mm pitch), RoHS-compliant and ECOPACK2 certified. The package supports full I/O remapping, multiple VDD/VSS pairs for noise suppression, and dedicated VCAP pins for internal regulator stability.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H743VIT6, the STM32H753IIK6 adds hardware crypto and dual-bank flash for secure over-the-air updates; versus i.MX RT1176DVMAA, it offers lower system-level integration, reduced external component count, and deterministic real-time latency without MMU-induced page faults.

Availability

STM32H753IIK6 is available at Aetrix Electronics and suitable for industrial motor control gateways, secure edge AI nodes, and human-machine interfaces requiring stable component supply, long-term lifecycle assurance, and full production traceability.

Supply support for STM32H753IIK6 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, specializing in microcontrollers, power management, sensors, and automotive ICs with strong emphasis on industrial and embedded markets.

The STM32H7 series targets high-end real-time applications demanding both computational throughput and peripheral richness - designed for industrial automation, medical devices, and advanced HMI where security, graphics, and analog precision converge.

FAQ

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

The STM32H753IIK6 achieves 480 MHz via its Arm Cortex-M7 core with integrated L1 instruction and data caches (16 KB each), powered by a dedicated system PLL with fractional-N synthesis. Stable operation requires proper VCAP capacitor placement (2.2 µF per pin), regulated 1.1 V core supply, and thermal management within the LQFP208 package's 3.5°C/W junction-to-ambient rating.

Does this MCU support secure boot and firmware updates?

Yes - it includes ROM-based secure boot with public-key signature verification (ECDSA), ROP/PC-ROP protection, active tamper detection, and dual-bank flash enabling atomic firmware updates. Secure access mode isolates trusted execution environments, and hardware AES-256 accelerates decryption of encrypted firmware images during installation.

How many CAN FD interfaces does the STM32H753IIK6 provide?

The STM32H753IIK6 integrates two fully compliant CAN FD controllers (FDCAN1 and FDCAN2), each supporting bit rates up to 5 Mbps in FD mode, ISO 11898-1:2015 compliance, and time-triggered communication (TT-CAN) capability on FDCAN2. Both support loopback self-test and programmable message filters for efficient bus arbitration.

What display interfaces are supported and what is the maximum resolution?

The MCU features a full-featured LCD-TFT controller supporting RGB, ITA, and MPU interfaces with up to XGA resolution (1024×768). It includes integrated LTDC with layer composition, alpha blending, and dithering, plus Chrom-ART DMA2D for hardware-accelerated 2D graphics - eliminating CPU overhead for dynamic GUI rendering and video overlay tasks.