---
title: "AVR ATxmega - Development Board (Model: AL-XAVRB_EXT)"
url: "https://maker.wiznet.io/WIZnet/resellers/avr-atxmega-development-board-model%3A-al-xavrb-ext/"
markdown_url: "https://maker.wiznet.io/WIZnet/resellers/avr-atxmega-development-board-model%3A-al-xavrb-ext/md"
type: "VAR: Value-Added Reseller Products"
author: "ALIVID"
author_url: "https://www.alvidi.de/products/EN/AVR_Development_Boards/avr_board_xavrb_ext.php"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "ALIVID"
original_url: "https://www.alvidi.de/products/EN/AVR_Development_Boards/avr_board_xavrb_ext.php"
published: "2023-04-25"
language: "en"
hardware: ["WIZnet W5200"]
likes: 0
views: 155
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# AVR ATxmega - Development Board (Model: AL-XAVRB_EXT)

> AVR ATxmega - Development Board (Model: AL-XAVRB_EXT)

Original author: ALIVID (source: https://www.alvidi.de/products/EN/AVR_Development_Boards/avr_board_xavrb_ext.php)

## Components

- **WIZnet W5200** x 1 ([docs](https://docs.wiznet.io/Product/iEthernet/W5200/))

## Article

**DETAILS**

## **AVR ATxmega – Development Board (Model: AL-XAVRB_EXT)**

by [ALVIDI](https://www.alvidi.de/)

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![](http://wiznetmuseum.com/wp/wp-content/uploads/2016/06/AL-XAVRB_EXT.png)

---

### **Overview**

This product supports a large 8MBytes SDRAM memory and Hardwired TCP/IP chip W5200. So, it is very easy to develop the application that needs large memory such as IP-camera, Web-service, and SSL secuity communication.

### **Construction:**

- Controller: Atmel AVR ATxmega128A1U-AU up to 32 MHz

- Equipment:
  - internal voltage regulator 3.3V
  - **external SDRAM 64Mbit**
  - USB to USART CP2102 controller
  - **Ethernet to SPI W5200 controller**

### **Links:**

- [**data sheet**](https://www.alvidi.de/data_sheets/pdf/products/xavrb_ext/avr_board_xavrb_ext_english.pdf)

- [**schematic**](https://www.alvidi.de/data_sheets/pdf/products/xavrb_ext/xavrb_ext_v13_schematic.pdf)

- [**boot loader**](https://www.alvidi.de/data_sheets/pdf/bootloader/bootloader-xmega_en.pdf)

- [**boot code**](https://www.alvidi.de/data_sheets/other/BOOT_CODE.zip)

- [**Eagle library**](https://www.alvidi.de/data_sheets/other/AVR-Board.lbr)

---

Source: https://maker.wiznet.io/WIZnet/resellers/avr-atxmega-development-board-model%3A-al-xavrb-ext/