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The STM32H7A3ZIT6 device is based on the high-performance Arm® Cortex®-M7 32-bit RISC core operating at up to 280 MHz.The Cortex®-M7 core features a floating point unit (FPU) and supports Arm® double precision (IEEE 754 compliant) and single precision data processing instructions and data types.STM32H7A3ZIT6 devices support a full set of DSP instructions and a memory protection unit (MPU) for increased application security.

The STM32H7A3ZIT6 devices integrate high-speed embedded memory with up to 2 megabytes of dual-bank Flash memory, approximately 1.4 megabytes of RAM (including 192KB of TCM RAM, 1.18 megabytes of user SRAM and 4KB of backup SRAM), and connections to four APB buses, three AHB buses, a 32-bit multi-AHB bus matrix and A large number of enhanced I/O and peripherals supporting multi-layer AXI interconnects for internal and external memory access.

Product attributes

Family: STM32H7  

Core processor: ARM® Cortex®-M7  

Core size: 32-bit single core  

Speed: 280MHz

Connectivity: CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, MDIO, MMC/SD/SDIO, QSPI, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG  

Peripherals: Power failure detection/reset, DMA, I²S, LCD, POR, PWM, WDT  

Number of I/Os: 97

Program memory size: 2MB (2M x 8)

Program memory type: FLASH  

EEPROM size: -  

RAM size: 1.4M x 8

Voltage - Power Supply (Vcc/Vdd): 1.62V ~ 3.6V

Data Converter: A/D 24x16b; D/A 3x12b

Oscillator Type: Internal  

Operating Temperature: -40°C ~ 85°C (TA)  

Mounting Type: Surface Mount  

Package / Housing: 144-LQFP

Supplier Device Package: 144-LQFP (20x20)

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.