STMicroelectronics STM32H753ZIT6U

Overview

STM32H753ZIT6U 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 supports CAN FD, Ethernet MAC, LCD-TFT controller, and JPEG codec - deployed in industrial HMI, motor control gateways, and secure edge IoT nodes.

For engineers reviewing the STM32H753ZIT6U datasheet, STM32H753ZIT6U pinout, STM32H753ZIT6U application, or STM32H753ZIT6U equivalent, key selection criteria include dual-bank flash with read-while-write, D1/D2/D3 domain isolation for real-time + communication co-scheduling, 16-bit ADCs at 3.6 MSPS, hardware JPEG acceleration, and LQFP144 package compatibility with legacy STM32H7 layout footprints.

Technical Context

The device implements a triple-domain power architecture (D1 high-performance, D2 comms/timers, D3 reset/clock/PM) enabling independent clock gating and voltage scaling across six ranges. Its interconnect matrix comprises one AXI and two AHB bus matrices with five AHB2-APB bridges, supporting deterministic peripheral access under heavy DMA load.

It integrates four DMA controllers: one high-speed MDMA with linked-list support, two dual-port DMAs with FIFO, and one basic DMA with request routing - offloading CPU for concurrent analog acquisition, crypto processing, and display refresh without contention.

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with exposed thermal pad; 144-pin square-outline quad flat pack compliant with ECOPACK2 environmental standard.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H743VIT6, the STM32H753ZIT6U adds JPEG and DFSDM for imaging/sensing; versus i.MX RT1176, it delivers lower-system-complexity with embedded flash and full analog front-end - critical for space-constrained medical and industrial edge devices.

Availability

STM32H753ZIT6U is available at Aetrix Electronics and suitable for industrial motor control gateways, secure edge IoT nodes, human-machine interfaces, and medical imaging edge processors requiring stable component supply and long-term production continuity.

Supply support for STM32H753ZIT6U 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 with strong industrial and automotive focus.

The STM32H7 series targets high-end embedded applications demanding real-time performance, security, and rich peripheral integration - designed for industrial automation, medical equipment, and next-generation HMI platforms.

FAQ

What is the maximum operating frequency of the STM32H753ZIT6U's Cortex-M7 core?

The STM32H753ZIT6U operates its Arm Cortex-M7 core at up to 480 MHz, validated across temperature and voltage ranges per DS12117 Rev 10. This frequency is achieved using the internal PLL with HSE or HSI as source, and requires proper VCAP capacitor placement and thermal management per Section 8.10 of the datasheet.

Does the STM32H753ZIT6U support hardware-accelerated encryption for TLS handshakes?

Yes - it integrates dedicated AES-128/192/256, SHA-1/SHA-2, HMAC, and TRNG engines that accelerate TLS 1.2/1.3 handshake operations. ST provides mbed TLS port with hardware offload enabled by default in STM32CubeH7 middleware, reducing CPU load by >90% during key exchange.

Can the STM32H753ZIT6U drive an RGB888 800×480 TFT display directly?

Yes - its integrated LCD-TFT controller supports RGB888 interface at up to XGA (1024×768) resolution with programmable pixel clock and timing registers. The device drives such displays directly via 24-bit parallel bus, requiring only external DC-DC bias supply and gamma correction resistors per AN5027 application note.

What low-power modes are available, and what is the lowest achievable current draw?

The STM32H753ZIT6U offers Sleep, Stop, Standby, and VBAT modes. In Standby mode with Backup SRAM OFF and RTC + LSE ON, typical current consumption is 2.95 µA at 25°C (DS12117 Rev 10, Table 122). This mode retains RTC calendar and wake-up capability via EXTI lines or RTC alarm.