STM32H7A3IGT6

STM32H7A3IGT6 is a high-performance microcontroller from STMicroelectronics, part of the STM32H7 family. It targets demanding embedded applications with a 32-bit ARM Cortex-M7 core running up to about 480 MHz, featuring caches and a single-precision FPU for fast DSP and math work.
Key points:
- Memory: up to ~2 MB Flash and up to ~1 MB RAM (exact amounts depend on the device variant).
- Peripherals: rich mix including USB OTG, Ethernet, CAN FD, multiple SPI/I2C/UART, SDMMC, LCD-TFT controller, DCMI/camera interfaces, and external memory interfaces; some variants add PCIe support.
- Security and compute: hardware cryptography accelerators and DSP capabilities.
- Power and packages: designed with multiple low-power modes; “IGT6” denotes a specific package/temperature option for this device.
- Ecosystem: supported by STM32CubeMX/HAL libraries and common toolchains (Keil, IAR, GCC).
Use cases include motor control, industrial automation, multimedia/UI devices, and AI-enabled peripherals. Always verify exact specs from the datasheet for the specific package and variant.

Here are the key features of STM32H7A3IGT6 (highlights; exact numbers vary by variant):
- Dual-core Arm Cortex-M7 (primary) up to ~480 MHz and Cortex-M4 (co-processor) up to ~240 MHz, both with floating-point units.
- On-chip memory: multi-megabit Flash and substantial SRAM; caches (I-cache and D-cache) and MPU.
- Cryptography and security: hardware crypto accelerators (AES/DES/TDES, RNG, SHA/PKA), secure boot support, security features for trusted execution.
- High-performance graphics/display: Chrom-2D graphics accelerator (DMA2D) and LCD-TFT controller for displays.
- Rich peripherals: USB OTG FS and/or HS, Ethernet MAC, CAN/CAN FD, multiple SPI/I2C/UARTs and I2S, SDMMC/SDIO, and TIMs for advanced control.
- External memory support: Flexible Memory Controller (FMC) for external RAM/PSRAM/Flash.
- Analog peripherals: multiple 12-bit ADCs and DACs.
- Power and efficiency: multiple power modes with dynamic voltage/frequency scaling options.
- Debug/trace and safety features: rich debug interfaces, MPU, and fault-detection capabilities.
- Package: typically LQFP144 (IGT6) style; suitable for automotive-grade/industrial applications.
For exact specs (max clock, flash/RAM sizes, peripheral counts), consult the STM32H7A3 datasheet and reference manual.

LQFP176 — 176-pin thin quad-flat package (LQFP), 0.5 mm pitch.

- Pin count: 100 pins (LQFP-100 GT6 package)
- Function: 32-bit STM32H7 dual-core microcontroller (Cortex-M7 main core + Cortex-M4 companion) from STMicroelectronics for high-performance embedded applications.

- Manufacturer: STMicroelectronics (ST)
- What kind of company: A multinational semiconductor company headquartered in Geneva, Switzerland. It designs and manufactures a wide range of integrated circuits and electronic components, including microcontrollers (like STM32), sensors, analog, and power-management devices.

Typical application areas for STM32H7A3IGT6 include:
- Industrial automation (PLC, motion control, servo drives)
- Motor control and power electronics
- Robotics and intelligent actuators
- Healthcare devices and diagnostic instruments
- Industrial IoT edge gateways with sensor fusion
- Smart consumer devices and human–machine interfaces
- Building automation and energy management
- Embedded vision and AI/edge analytics