STM32H743IIT6
Overview
The STM32H743IIT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M7 core, operating at frequencies up to 480MHz. It features 2MB of Flash memory and 1MB of RAM, providing the computational power and memory density required for complex embedded applications. The device integrates advanced peripherals including dual-precision FPU, DSP instructions, and an extensive array of connectivity interfaces like Ethernet, USB OTG, and CAN FD.
Why Choose This Part
This MCU offers a significant performance leap with its L1 cache and AXI/AHB bus matrix, ensuring high-speed data movement and minimal latency. The large 2MB Flash memory supports read-while-write functionality, which is critical for robust firmware-over-the-air (FOTA) updates.
Applications
Key Specifications
Getting Started
Development is typically performed using the STM32Cube ecosystem, including STM32CubeIDE and the STM32CubeH7 firmware package. For hardware evaluation, the NUCLEO-H743ZI2 or the STM32H743I-EVAL2 evaluation board provide access to the full capabilities of the silicon including Ethernet and high-speed USB.
Dev Boards
Development boards and breakout modules featuring the STM32H743IIT6 or compatible chips — ready to use for prototyping.
STM32H743 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | I/O Pins | Core Processor | Package | ADC/DAC | Stock |
|---|---|---|---|---|---|
| STM32H743IIT6 (this part) | 140 | ARM Cortex-M7 | LQFP-176 | A/D 36x16b; D/A 2x.. | 2,038 |
| STM32H743ZIT6 | 114 | ARM Cortex-M7 | LQFP-144 | A/D 36x16b; D/A 2x.. | 3,601 |
| STM32H743BIT6 | 168 | ARM Cortex-M7 | LQFP-208 | A/D 36x16b; D/A 2x.. | 2,212 |
| STM32H743ZIT6TR Tape & Reel | 114 | ARM Cortex-M7F | LQFP-144 | A/D 28x16b; D/A 2x.. | 235 |
| STM32H743I-EVAL | — | ARM Cortex-M7 | — | — | 7 |
Also Consider
STMicroelectronics
- A lower-power Cortex-M7 alternative with slightly reduced performance (216MHz) for power-sensitive designs.
