ATXMEGA64D4-CU

Overview

The ATXMEGA64D4-CU is an 8/16-bit microcontroller from the AVR XMEGA D4 family. It features 64KB of in-system self-programmable flash, 2KB EEPROM, and 4KB internal SRAM. The device operates at a maximum clock frequency of 32MHz with a supply voltage range of 1.6V to 3.6V. It includes 34 programmable I/O pins and utilizes a VFBGA-49 package.

Feature Summary

• Supports capacitive touch sensing via QTouch library integration
• Includes four-channel event system for peripheral signaling
• Features two USARTs with IrDA support and dual SPI interfaces

Applications

• Industrial control systems
• Building and climate control applications
• Utility metering devices
• Medical equipment

Procurement Notes

Verify the specific ordering code against official Microchip documentation to ensure correct memory size and package configuration. Confirm that the component meets RoHS compliance requirements for your manufacturing process. Check datasheet specifications for humidity sensitivity handling during assembly.

Selection Notes

Select this model when 64KB program memory and 4KB SRAM are required within the XMEGA D4 architecture. Ensure the design accommodates the VFBGA-49 surface mount package constraints. Verify that the 1.6V to 3.6V operating voltage aligns with the target power supply rails.

Part Context

This component belongs to the AVR XMEGA D4 series, designed for high-performance, low-power embedded applications. The series offers true picoPower capabilities with fast wake-up times and extensive peripheral sets suitable for battery-powered or energy-efficient systems.

Replacement Considerations

ATXMEGA64D4-AU (TQFP-44 package)

FAQ

What programming interface does the ATXMEGA64D4-CU use?

It uses the PDI (Program and Debug Interface), which is a fast, two-pin interface for programming and debugging.

Does the device support capacitive touch sensing?

Yes, it supports capacitive touch buttons, sliders, and wheels through the Atmel QTouch library.