Overview
The STM32H7A3LIH6Q is a high-performance 32-bit microcontroller from STMicroelectronics, part of the STM32H7 family. It is based on the ARM® Cortex®-M7 core, which operates at up to 280 MHz and includes a floating-point unit (FPU) supporting Arm® double-precision and single-precision data-processing instructions. This microcontroller is designed for applications requiring high computational power, advanced peripherals, and robust security features.
Key Specifications
| Specification | Value |
|---|---|
| Core Processor | ARM Cortex-M7 |
| Program Memory Type | Flash |
| Flash Size | 2MB (2M x 8) |
| RAM Size | 1.4MB (including 192 Kbytes of TCM RAM, 1.18 Mbytes of user SRAM, and 4 Kbytes of backup SRAM) |
| Speed | Up to 280 MHz |
| No of I/O Lines | 168 |
| Interface/Connectivity | CAN, I2C, I2S, SAI, SPDIF-Rx, SPI, SWPMI, UART, USART, USB |
| Peripherals | BOR, DMA, PDR, POR, PWM |
| Number Of Timers | Up to 19 timers (including 2x 32-bit timers, 2x 16-bit advanced motor control timers, 10x 16-bit general-purpose timers, 3x 16-bit low-power timers) |
| Supply Voltage | 1.62V to 3.6V |
| Operating Temperature | -40°C to +85°C |
| On-Chip ADC | 2x ADCs with 16-bit max. resolution (up to 24 channels, up to 3.6 MSPS) |
| On-Chip DAC | 1x 12-bit single-channel DAC + 1x 12-bit dual-channel DAC |
| Watchdog Timers | 2 (independent and window) |
| Package | TFBGA-225 (13x13) |
Key Features
- High-Performance Core: ARM® Cortex®-M7 core with double-precision FPU and L1 cache (16 Kbytes of data and 16 Kbytes of instruction cache).
- Advanced Peripherals: Includes LCD-TFT controller up to XGA resolution, Chrom-ART graphical hardware Accelerator (DMA2D), Hardware JPEG Codec, and Chrom-GRC™ (GFXMMU).
- Analog and Digital Peripherals: 2x ADCs, 2x DACs, 2x ultra-low-power comparators, 2x operational amplifiers, and digital filters for sigma delta modulator (DFSDM).
- Security and Debugging: Memory protection unit (MPU), SWD and JTAG interfaces, 4 KB Embedded Trace Buffer, and a 32-bit, NIST SP 800-90B compliant, true random generator.
- Power and Efficiency: Operates within a supply voltage range of 1.62V to 3.6V and has an operating temperature range of -40°C to +85°C.
Applications
The STM32H7A3LIH6Q is suitable for a wide range of applications that require high computational power and advanced peripherals. These include:
- Industrial Automation: For control systems, motor control, and industrial IoT applications.
- Medical Devices: For medical imaging, diagnostic equipment, and other medical applications requiring high precision and reliability.
- Aerospace and Defense: For systems requiring robust security and high-performance processing.
- Consumer Electronics: For advanced consumer devices such as smart home appliances, gaming consoles, and high-end audio equipment.
Q & A
- What is the core processor of the STM32H7A3LIH6Q?
The core processor is the ARM® Cortex®-M7. - What is the maximum operating frequency of the STM32H7A3LIH6Q?
The maximum operating frequency is up to 280 MHz. - How much flash memory does the STM32H7A3LIH6Q have?
The STM32H7A3LIH6Q has 2MB of flash memory. - What is the RAM size of the STM32H7A3LIH6Q?
The RAM size is 1.4MB, including 192 Kbytes of TCM RAM, 1.18 Mbytes of user SRAM, and 4 Kbytes of backup SRAM. - What are the key interfaces and connectivity options available on the STM32H7A3LIH6Q?
The key interfaces include CAN, I2C, I2S, SAI, SPDIF-Rx, SPI, SWPMI, UART, USART, and USB. - What is the package type of the STM32H7A3LIH6Q?
The package type is TFBGA-225 (13x13). - What is the operating temperature range of the STM32H7A3LIH6Q?
The operating temperature range is -40°C to +85°C. - Does the STM32H7A3LIH6Q have any built-in security features?
Yes, it includes a memory protection unit (MPU) and other security features like a true random generator and unique ID. - What types of timers are available on the STM32H7A3LIH6Q?
The microcontroller includes up to 19 timers, including 32-bit timers, 16-bit advanced motor control timers, 16-bit general-purpose timers, and 16-bit low-power timers. - Is the STM32H7A3LIH6Q compliant with any environmental standards?
Yes, all packages are ECOPACK2 compliant.
