ATXMEGA64D3-15AT1

Description：IC MCU 8/16BIT 64KB FLASH 64TQFP
Series：AVR® XMEGA® D3
Mfr：Microchip Technology
Package：Tape & Reel (TR),Cut Tape (CT)
Core Processor：AVR

SKU:b6ab188667ec Category: Microcontrollers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：IC MCU 8/16BIT 64KB FLASH 64TQFP
Series：AVR® XMEGA® D3
Mfr：Microchip Technology
Package：Tape & Reel (TR),Cut Tape (CT)
Core Processor：AVR
Core Size：8/16-Bit
Speed：32MHz
Connectivity：I2C, IrDA, SPI, UART/USART
Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O：50
Program Memory Size：64KB (32K x 16)
Program Memory Type：FLASH
EEPROM Size：2K x 8
RAM Size：4K x 8
Voltage - Supply (Vcc/Vdd)：2.7V ~ 3.6V
Data Converters：A/D 16x12b
Oscillator Type：Internal
Operating Temperature：-40°C ~ 105°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：64-TQFP (14x14)
Package / Case：64-TQFP
Grade：-
Qualification：-

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ATXMEGA64D3-15AT1

Overview

The ATXMEGA64D3-15AT1 is an automotive-grade 8/16-bit microcontroller based on the AVR XMEGA D3 architecture. It features 64KB of in-system self-programmable flash, 2KB EEPROM, and 4KB internal SRAM. The device operates at frequencies up to 32MHz with a supply voltage range of 2.7V to 3.6V. Key peripherals include a 16-channel 12-bit ADC, three USARTs, two TWIs, two SPIs, five 16-bit timer/counters, and a four-channel event system. It utilizes a 64-lead TQFP package and supports PDI programming.

Feature Summary

Automotive-grade reliability verified per AEC-Q100 Grade 2 standards
Integrated capacitive touch sensing support via QTouch library
Advanced waveform extensions and high-resolution timer capabilities
Four-channel event system for hardware-based peripheral interconnection

Applications

Capacitive touch sensing for center stacks and overhead modules
Automotive LED control systems
Low power key fob controllers
Motor control applications
Sensor control units

Procurement Notes

Verify that the specific suffix '15AT1' corresponds to the required temperature grade and packaging configuration. Confirm the operating voltage range matches the 2.7V to 3.6V specification provided in the datasheet. Ensure compatibility with the 64-lead TQFP footprint during PCB layout. Check for any specific automotive qualification documentation required for your application environment.

Selection Notes

Select this component when automotive reliability (AEC-Q100) is mandatory alongside low-power requirements. The 64KB Flash capacity suits complex firmware with boot loader needs. The integrated event system reduces CPU load for peripheral management. Consider the 2.7V minimum voltage if powering from standard automotive rails without significant drop.

Part Context

This part belongs to the Microchip AVR XMEGA D3 family, designed for high-performance, low-power embedded applications. The D3 series specifically targets automotive and industrial markets with enhanced peripheral sets including advanced timers and robust communication interfaces. It shares architectural similarities with other XMEGA devices but offers optimized memory and I/O configurations for cost-sensitive designs.