AVR32918: UC3-A3 XPLAINED Hardware User's

Guide

Features

• 64Mbit SDRAM

• Analog input (to ADC)

- Temperature sensor

- RC filter

• I/O

- One mechanical button

- Four LEDs

- Four expansion headers

• Footprints for external memory

- Atmel AT45DB series DataFlash

- Atmel AT25DF series industry standard serial flash

• Touch

- One Atmel QTouch button

1 Introduction

The Atmel UC3-A3 XPLAINED evaluation kit is a hardware platform to evaluate the

Atmel AT32UC3A3256 microcontroller.

The kit offers a large range of features that enables the Atmel AVR

get started using UC3 peripherals right away and understand how to integrate the

UC3 device in their own design.

Figure 1-1. UC3-A3 XPLAINED evaluation kit.

32-bit

Microcontrollers

Application Note

Rev. 32159A-AVR-01/11