Atmel AVR1924 User guide

Atmel AVR1924: XMEGA-A1 Xplained Hardware

User's Guide

Features

• Atmel® ATxmega128A1 microcontroller

• External memory

- 8MB SDRAM

• Atmel AT32UC3B1256

- Communication gateway

- Programmer for Atmel AVR

• Analog input (to ADC)

- Temperature sensor

- Light sensor

• Analog output (from DAC)

- Mono speaker via audio amplifier

• Digital I/O

- UART communication through USB gateway

- Eight mechanical button switches

- Eight LEDs

- Eight spare analog pins

- 24 spare digital pins

®

XMEGA®

8-bit Atmel
Microcontrollers

Application Note

Preliminary

1 Introduction

The Atmel XMEGA-A1 Xplained evaluation kit is a hardware platform to evaluate
the Atmel ATxmega128A1 microcontroller.

The kit offers a larger range of features that enables the Atmel AVR XMEGA user
to get started using XMEGA peripherals right away and understand how to
integrate the XMEGA device in their own design.

Figure 1-1. XMEGA-A1 Xplained evaluation kit.

Rev. 8370C-AVR-12/11

2 Related items

3 General information

Atmel FLIP (Flexible In-system Programmer)

http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3886

el AVR Studio

Atm

®

4 (free Atmel IDE)

http://www.atmel.com/dyn/products/tools_card.asp?tool_id=2725

el AVR JTAGICE mkII (on-chip programming and debugging tool)

Atm

http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3353

Atm

el AVR ONE! (on-chip programming and debugging tool)

http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4279

This document targets the Atmel XMEGA-A1 Xplained evaluation kit, revision 9. The
schematic, layout, and bill of materials can be found online in the zip files associated
with this application note at:

http://www.atmel.com/products/AVR/xplain.as

p?family_id=607&source=redirect.

The XMEGA-A1 Xplained kit is intended to demonstrate the Atmel ATxmega128A1
microcontroller, and the hardware that relates to the Atmel AT32UC3B1256 is,
therefore, not covered in this document.

Figure 3-1. Overview of the XMEGA-A1 Xplained kit.

ATxmega128A1 JTAG and PDI

Light sensor

Temp. sensor

Audio amp.

Speaker

USB (COM and PSU)

XMEGA PORT D/RXMEGA PORT F Power jumper

AT32UC3B1256

DataFlash footprint

3.1 Preprogrammed firmware

The Atmel ATxmega128A1 and AT32UC3B1256 that come with the Atmel XMEGA­A1 Xplained kit are both preprogrammed.

The preprogrammed firmware in the XMEGA plays different sounds when the
mechanical button switches are pushed.

2

Atmel AVR1924

XMEGA PORT A

SDRAM

ATxmega128A1

XMEGA PORT C

8370C-AVR-12/11