STM32H735IGT3
Overview
The STM32H735IGT3 is a high-performance STM32 microcontroller from STMicroelectronics built around an Arm Cortex-M7 core. It is aimed at embedded designs that need substantial processing headroom, fast real-time response, and integrated peripherals in a single chip. The device is commonly used when you need more performance than a basic MCU, but do not need a full application processor.
Why Choose This Part
The Cortex-M7 core gives this part strong single-chip compute performance for control, DSP-style math, and protocol processing. ST's STM32 ecosystem is broad, so it is easier to find reference designs, middleware, and board support than with less common MCUs. The 1 MByte Flash class makes it practical for larger embedded applications without immediately moving to an application processor.
Applications
Getting Started
A good starting point is an STM32H735-based Nucleo or discovery class board if you want to evaluate the MCU before committing to a custom PCB. Use STM32CubeIDE with the STM32CubeH7 firmware package for board support, peripheral configuration, and example projects. For low-level bring-up, plan for SWD debug access, a stable power rail, and clocking that matches your intended board design and performance goals.
Dev Boards
Development boards and breakout modules featuring the STM32H735IGT3 or compatible chips — ready to use for prototyping.
STM32H735 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | RAM | I/O Pins | Package | ADC/DAC | Voltage | Stock |
|---|---|---|---|---|---|---|
| STM32H735IGT3 (this part) | — | — | — | — | — | 531 |
| STM32H735G-DK | — | — | — | — | — | 488 |
| STM32H735VGT6 | 564K | 67 | LQFP-100 | A/D 12x12/b, 22x16.. | 1.71V | 743 |
| STM32H735VGH6 | 560K | 74 | TFBGA-100 | A/D 17x12b, 26x16b.. | 1.62V | 1,209 |
| STM32H735IGK6 | 564K | 128 | UFBGA-201 | A/D 12x12/b, 22x16.. | 1.62V | — |
Also Consider
STMicroelectronics
- A closely related high-performance STM32H7 option if you want a similar Cortex-M7 platform and different memory or package tradeoffs.
STMicroelectronics
- Another STM32H7 alternative in the same family that may fit designs needing a comparable high-end MCU feature set.
STMicroelectronics
- A lower-generation STM32F7 alternative for designs that still need a strong Cortex-M7 MCU but can use a different performance and cost point.
