Overview
The STM32H7A3ZIT6Q is a high-performance microcontroller from STMicroelectronics, based on the Arm® Cortex®-M7 32-bit RISC core. This device operates at up to 280 MHz and features a floating point unit (FPU) that supports Arm® double-precision and single-precision data-processing instructions. It is part of the STM32H7A3xI/G series, known for its advanced security features, extensive memory options, and a wide range of peripherals.
The STM32H7A3ZIT6Q is designed to meet the demands of complex applications requiring high computational power, memory, and advanced communication interfaces. It is suitable for various industrial, automotive, and consumer electronics applications where reliability, security, and performance are critical.
Key Specifications
| Specification | Details |
|---|---|
| Core Processor | 32-bit Arm® Cortex®-M7 |
| Core Speed | Up to 280 MHz |
| Flash Memory | Up to 2 Mbytes with read while write support, plus 1 Kbyte of OTP memory |
| RAM | ~1.4 Mbytes: 192 Kbytes of TCM RAM, 1.18 Mbytes of user SRAM, and 4 Kbytes of backup SRAM |
| Memory Interfaces | 2x Octo-SPI, flexible external memory controller with up to 32-bit data bus |
| Operating Voltage | 1.62 to 3.6 V |
| Operating Temperature | -40°C to 85°C (ambient), -40°C to 130°C (junction) |
| Package | LQFP 144 20x20x1.4 mm |
| I/Os | Up to 168 I/O ports with interrupt capability |
| Communication Peripherals | CANbus, EBI/EMI, HDMI-CEC, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG |
| Analog Peripherals | 2x ADCs (16-bit), 2x DACs (12-bit), 2x ultra-low power comparators, 2x operational amplifiers |
Key Features
- High-Performance Core: 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache, operating at up to 280 MHz.
- Advanced Security: Memory protection unit (MPU), ROP, PC-ROP, active tamper, and secure firmware upgrade support.
- Extensive Memory Options: Dual-bank Flash memory up to 2 Mbytes, ~1.4 Mbytes of RAM, and 2x Octo-SPI memory interfaces.
- Low-Power Modes: Sleep, Stop, and Standby modes with low power consumption (e.g., 32 µA in Stop mode with full RAM retention).
- Rich Peripherals: Multiple ADCs, DACs, ultra-low power comparators, operational amplifiers, and a wide range of communication interfaces (e.g., CAN, I2C, SPI, USB OTG).
- High-Speed Interfaces: Support for SRAM, PSRAM, NOR Flash, SDRAM/LPSDR SDRAM, and NAND Flash memories.
- Power Management: High power efficiency SMPS step-down converter, embedded regulator (LDO), and dedicated USB and MMC power supplies.
Applications
- Industrial Automation: Control systems, motor control, and industrial IoT applications.
- Automotive Systems: Infotainment, driver assistance systems, and vehicle control units.
- Consumer Electronics: Smart home devices, wearables, and high-performance consumer gadgets.
- Medical Devices: Diagnostic equipment, medical imaging, and patient monitoring systems.
- Aerospace and Defense: Secure communication systems, navigation, and control systems.
Q & A
- What is the core processor of the STM32H7A3ZIT6Q?
The core processor is the 32-bit Arm® Cortex®-M7.
- What is the maximum operating frequency of the STM32H7A3ZIT6Q?
The maximum operating frequency is up to 280 MHz.
- How much Flash memory does the STM32H7A3ZIT6Q have?
The device has up to 2 Mbytes of Flash memory.
- What are the key security features of the STM32H7A3ZIT6Q?
The device features a memory protection unit (MPU), ROP, PC-ROP, active tamper, and secure firmware upgrade support.
- What are the low-power modes supported by the STM32H7A3ZIT6Q?
The device supports Sleep, Stop, and Standby modes with low power consumption.
- What types of communication peripherals are available on the STM32H7A3ZIT6Q?
The device includes CANbus, EBI/EMI, HDMI-CEC, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, SAI, SPDIF, SPI, SWPMI, UART/USART, and USB OTG.
- What is the operating voltage range of the STM32H7A3ZIT6Q?
The operating voltage range is from 1.62 to 3.6 V.
- What is the package type of the STM32H7A3ZIT6Q?
The package type is LQFP 144 20x20x1.4 mm.
- How many I/O ports does the STM32H7A3ZIT6Q have?
The device has up to 168 I/O ports with interrupt capability.
- What are the typical applications of the STM32H7A3ZIT6Q?
The device is suitable for industrial automation, automotive systems, consumer electronics, medical devices, and aerospace and defense applications.
