STM32H753BGT6 Pinout, Specs, and Design Guide: 480 MHz Cortex-M7 MCU

What Is the STM32H753BGT6?

Answer: The STM32H753BGT6 is a high-performance 32-bit Arm Cortex-M7 microcontroller from STMicroelectronics. It runs at up to 480 MHz, integrates 2 MB flash memory and 1 MB SRAM, and provides 114 I/O pins in an LQFP-144 (20x20 mm) package. It operates from 1.62 V to 3.6 V, supports -40C to +85C, and includes hardware AES, DES, 3DES, SHA-1 and SHA-256 acceleration. This how-to guide covers the pinout, power design, peripherals, and replacement options for engineers designing with this MCU.

The device belongs to the STM32H7 series and is built around the Cortex-M7 core with a double-precision FPU. The memory system includes L1 cache and a TCM interface for real-time data processing, plus dual-bank flash that supports read-while-write operations. Development is supported by STM32CubeIDE and HAL libraries.

STM32H753BGT6 Key Specifications

These values are verified from the XAIPART product database and the STM32H753BI datasheet. The device has an active lifecycle status.

How to Read the STM32H753BGT6 Pinout (LQFP-144)

The LQFP-144 package contains 144 pins: 114 GPIO or alternate-function pins plus power and ground pins. Pins 1 through 123 are primarily GPIO ports; pins 124 through 144 are VDD and VSS supply pins. Key special pins are listed below.

For every pin assignment, refer to the pinout_data block in this article, which mirrors the verified pinout table.

How to Power the STM32H753BGT6

The supply voltage range is 1.62 V to 3.6 V, so a 3.3 V rail is a common choice. When that rail has ±5% tolerance, it remains between 3.135 V and 3.465 V, leaving 0.135 V margin below the 3.6 V maximum and 1.515 V headroom above the 1.62 V minimum. Connect all VDD pins (124, 126, 128, 130, 132, 134, 136, 138, 140, 142, 144) to the supply and all VSS pins (125, 127, 129, 131, 133, 135, 137, 139, 141, 143) to ground. The product description recommends proper decoupling of the power supply pins and adequate grounding for the LQFP package. The internal voltage regulator can be configured for different performance modes to balance power consumption and performance.

Step-by-Step Design Solution for the STM32H753BGT6

1. Connect the 3.3 V rail to every VDD pin and solid ground to every VSS pin.
2. Place decoupling capacitors close to VDD pins and use a continuous ground plane.
3. Connect a stable 25 MHz crystal to PH0 and PH1, or drive OSC_IN from an external oscillator.
4. Route SWDIO to PA13 and SWCLK to PA14 for programming and debug.
5. Select peripheral alternate functions in STM32CubeMX or your HAL-based project.
6. For secure communication, use the hardware AES/DES/3DES/SHA engine instead of software crypto.

These steps use the verified pinout and the 1.62 V to 3.6 V supply range. The 25 MHz crystal recommendation follows the product description.

How to Choose Between STM32H753BGT6 and Drop-In Alternatives

The verified database lists three alternatives. STM32H743BGT6 is pin-compatible but lacks the hardware cryptographic engine and TRNG. STM32H753BIT6 is the industrial temperature grade version of the same die and package. STM32H750BGT6 has the same package but only 128 KB flash.

STM32H753BGT6 Application Scenarios

• Industrial Automation: Use the 480 MHz core, Ethernet MAC, CAN, and hardware crypto for real-time control and secure industrial IoT data transmission.
• Motor Control: Use the 12-bit ADCs for current sensing and the 22 timers for PWM generation to implement high-precision field-oriented control.
• Medical Devices: The 1.62 V to 3.6 V supply range helps extend battery life in portable medical equipment, while the crypto engine protects patient data.
• High-End Audio: Use the SAI interface and 1 MB SRAM for high-resolution audio buffering and advanced DSP processing.
• Robotics: Combine multiple SPI, I2C, UART, and CAN interfaces for sensor fusion, plus timers and ADCs for actuator control.
• IoT Gateways: Use Ethernet MAC and USB OTG for local and cloud connectivity, with hardware crypto for secure edge computing.

STM32H753BGT6 Pricing and Availability (As of 2026-08-19)

On XAIPART, the MOQ is 1 and stock is 99,999 units. Verified pricing tiers are listed below.

At quantity 1, the price is $18.50; at quantity 1000, it drops to $11.50.

Frequently Asked Questions

What is the maximum clock frequency of STM32H753BGT6?

The STM32H753BGT6 operates at a maximum clock frequency of 480 MHz, providing high computational performance for demanding applications.

What is the difference between STM32H753BGT6 and STM32H743BGT6?

Both are Cortex-M7 MCUs with 2 MB flash and the same LQFP-144 package, but the STM32H753BGT6 adds a hardware cryptographic engine (AES, DES, SHA) and a TRNG. The STM32H743BGT6 lacks these security features.

Can STM32H753BGT6 be used for motor control applications?

Yes. The 480 MHz clock speed, advanced timers with PWM generation, and multiple ADCs for current sensing support field-oriented control (FOC) algorithms with high precision and low latency.

What is the supply voltage range of STM32H753BGT6?

The STM32H753BGT6 operates from 1.62 V to 3.6 V, allowing flexible power supply design including battery-powered applications.

Where can I buy STM32H753BGT6 online?

You can purchase the STM32H753BGT6 from XAIPART or authorized distributors. As of 2026-08-19, the price is $18.50 for quantity 1 and $11.50 at quantity 1000.