ATXMEGA64D3-AUR

Overview

The ATXMEGA64D3-AUR is an 8/16-bit microcontroller from the AVR XMEGA D3 series, manufactured by Microchip Technology. It features a 32MHz maximum clock speed and is housed in a 64-TQFP (14x14) surface-mount package. The device includes 64KB of flash memory, 4KB of SRAM, and 2KB of EEPROM. It operates within a supply voltage range of 1.6V to 3.6V and supports industrial temperatures from -40°C to +85°C. Key peripherals include sixteen 12-bit ADC channels, multiple communication interfaces such as I2C, SPI, and USART, and various timer/counters.

Feature Summary

• Integrates a high-performance AVR RISC core with near 1 MIPS/MHz throughput for efficient code execution.
• Features a four-channel event system that allows peripheral-to-peripheral communication without CPU intervention.
• Includes a full-speed USB device interface capable of operation using only the internal oscillator.
• Supports low-power sleep modes with real-time counter retention and fast wake-up times.

Applications

• Building and climate control systems
• Utility meters with RF connectivity
• Thermostats with display interfaces

Procurement Notes

Verify the specific suffix 'AUR' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the lead time aligns with production schedules, as standard delivery periods may vary. Ensure compatibility with existing PCB footprints for the 64-TQFP package before finalizing procurement orders.

Selection Notes

Select this component when a balance of moderate memory capacity and rich peripheral integration is required. The 64KB flash size suits applications needing complex firmware without excessive cost. The 1.6V minimum voltage enables battery-powered designs, while the 32MHz speed ensures responsive processing for real-time control tasks in compact form factors.

Part Context

This part belongs to the AVR XMEGA D3 family, which emphasizes picoPower technology for consistent low-power characteristics across varying memory sizes. The D3 series distinguishes itself by offering enhanced analog peripherals and flexible event routing compared to previous generations, targeting efficiency in portable and industrial embedded applications.

Replacement Considerations

The ATXMEGA64D3-AU serves as a tray-packaged alternative within the same electrical specification set. For pin-compatible upgrades or downgrades, consider other members of the ATXMEGA64D3 series with differing memory capacities, ensuring software migration strategies are accounted for due to potential peripheral configuration differences.