STMicroelectronics STM32H753BIT6

Overview

STM32H753BIT6 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 CAN FD interfaces, hardware JPEG codec, and cryptographic acceleration (AES-256, SHA-2). It targets high-performance industrial control, motor drives, and embedded vision systems requiring real-time processing and secure firmware updates.

For engineers reviewing the STM32H753BIT6 datasheet, STM32H753BIT6 pinout, STM32H753BIT6 application, or STM32H753BIT6 equivalent, key selection criteria include its 480 MHz M7 core with L1 cache, dual-domain power management (D1/D2/D3), 16-bit ADCs (3.6 MSPS), hardware crypto engines, and support for external SDRAM/NOR via FMC - critical for deterministic HMI, edge AI inference, and secure connectivity stacks.

Technical Context

The STM32H753BIT6 implements a tightly coupled memory architecture with separate ITCM (64 KB) and DTCM (128 KB) for zero-wait-state execution of time-critical code, alongside 864 KB user SRAM and 4 KB backup SRAM. Its interconnect matrix comprises one AXI and two AHB bus matrices with five AHB2-APB bridges, enabling concurrent peripheral access without CPU contention.

It integrates three independent PLLs - one system clock PLL with fractional divider, plus two kernel-clock PLLs - supporting simultaneous high-speed operation of CPU, peripherals, and audio/video subsystems. The device supports dual-bank flash with read-while-write capability and secure firmware upgrade via active tamper detection and ROP/PC-ROP protection.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with ECOPACK2 compliance and thermal pad. Pin count: 100 leads; body material: plastic; moisture sensitivity level: MSL3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H743VIT6, the STM32H753BIT6 adds 1 MB flash and full crypto engines - critical for secure firmware deployment. Against i.MX RT1176AVM8B, it offers integrated flash and rich analog integration, reducing BOM count and simplifying layout for compact industrial HMI designs.

Availability

STM32H753BIT6 is available at Aetrix Electronics and suitable for industrial motor control, medical imaging front-ends, secure edge gateways, and advanced HMI applications requiring stable component supply across long product lifecycles.

Supply support for STM32H753BIT6 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 analog components for industrial, automotive, and consumer markets.

The STM32H7 series targets high-end embedded applications demanding real-time performance, security, and multimedia capabilities - specifically engineered for industrial automation, motor control, and intelligent edge devices with graphical user interfaces.

FAQ

What is the maximum operating frequency and core configuration of the STM32H753BIT6?

The STM32H753BIT6 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, and 16 KB data cache. It achieves 1027 DMIPS at this frequency (2.14 DMIPS/MHz), validated per Dhrystone 2.1 benchmark. No dual-core or heterogeneous configurations are supported on this part.

Does the STM32H753BIT6 support external SDRAM, and what interface is used?

Yes, the STM32H753BIT6 supports external SDRAM through its Flexible Memory Controller (FMC), which provides a 32-bit data bus and synchronous clocking up to 100 MHz. It supports LPDDR/SDR SDRAM with configurable timing parameters, row/column addressing, and auto-refresh control - fully documented in Section 3.15 of DS12117 Rev 10.

How many CAN interfaces does the STM32H753BIT6 include, and what protocols do they support?

The STM32H753BIT6 integrates two FDCAN controllers compliant with ISO 11898-1:2015, supporting Classical CAN, CAN FD (up to 8 Mbps), and time-triggered CAN (TT-CAN) modes. Both controllers operate independently with dedicated message RAM, filtering, and loopback/self-test capabilities - confirmed in Section 3.40 of the datasheet.

Is the STM32H753BIT6 pin-compatible with other STM32H753 variants in the same package?

Yes, all STM32H753xI devices in LQFP100 (e.g., STM32H753VIT6, STM32H753BIT6, STM32H753VIH6) share identical pinouts, electrical characteristics, and package dimensions. Differences are limited to internal flash size (1–2 MB), RAM configuration, and optional features like crypto blocks - verified in Table 1 and Section 8.2 of DS12117 Rev 10.