ATxmega64A4U-MH Device Information

Overview

The ATxmega64A4U-MH is a member of the Microchip AVR® XMEGA® family of microcontrollers. It is designed for low power consumption, high performance, and rich peripheral integration. This device is particularly suited for applications requiring efficient power management and robust peripheral support.

Key Features

• Architecture: 8/16-bit AVR enhanced RISC architecture.
• Memory:Flash Program Memory: 64KB in-system self-programmable flash.EEPROM: 2KB.SRAM: 4KB.
• Operating Voltage: 1.6V to 3.6V.
• Operating Frequency: Up to 32MHz from 2.7V.
• Package Type: 44-Lead Very Thin Plastic Quad Flat, No Lead Package (VQFN).
• Operating Temperature Range: -40°C to 85°C.

Peripheral Features

• Timer/Counters: Five 16-bit timer/counters with compare and PWM channels.
• Communication Interfaces:USARTs: Five USARTs with IrDA support for one USART.TWI: Two Two-wire interfaces (I2C and SMBus compatible).SPI: Two Serial Peripheral Interfaces.USB: One USB device interface (full speed and low speed compliant).
• Analog-to-Digital Converter (ADC): 12-bit, 2Msps, 12-channel.
• Digital-to-Analog Converter (DAC): 12-bit, 2 channels.
• Analog Comparators: Two with window compare function.
• Event System: Eight-channel event routing network.
• DMA Controller: Four-channel DMA controller.
• Cryptographic Engine: AES and DES.
• CRC Generator: CRC-16 and CRC-32.

Power Management

• Sleep Modes: Five sleep modes (Idle, Power-down, Power-save, Standby, Extended Standby).
• Power Reduction Registers: Enable selective disabling of peripherals to reduce power consumption.
• Brown-out Detection: Configurable brown-out detection levels.

Development and Debugging

• Program and Debug Interface (PDI): Two-pin interface for programming and debugging.
• Boot Loader Support: Enables self-programming of the application flash memory.

Ordering Information

• Part Number: ATxmega64A4U-MH.
• Package: 44-Lead VQFN (7x7x1mm body, 0.50mm lead pitch, 5.20mm exposed pad).
• Flash Memory: 64KB + 4KB boot section.
• EEPROM: 2KB.
• SRAM: 4KB.
• Operating Frequency: 0 - 32MHz from 2.7V.

Applications

The ATxmega64A4U-MH is suitable for a wide range of applications, including:

• Industrial control and automation.
• Climate control systems.
• Low power battery-operated devices.
• Building control and HVAC systems.
• Sensor control and utility metering.
• White goods and medical applications.
• This comprehensive overview provides a detailed look at the ATxmega64A4U-MH, highlighting its key features, memory specifications, peripheral capabilities, and development support.