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AVR32817

更新时间： 2024-11-22 12:36:31

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
17页	252K
描述
AVR32817: Getting Started with the 32-bit AVR UC3 Software Framework lwIP TCP/IP Stack

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AVR32817 数据手册

AVR32817: Getting Started with the 32-bit AVR

UC3 Software Framework lwIP TCP/IP Stack

Features

• TCP/IP suite description

32-bit

Microcontrollers

• 32-bit AVR^®UC3 lwIP port source file architecture

• Web, TFTP, SMTP servers:

–

Network configuration

DHCP protocol

Application Note

1 Introduction

This document describes the software modules of the Atmel^®32-bit AVR UC3

Software Framework dedicated to the lwIP TCP/IP stack and illustrates how to get

started with the lwIP TCP/IP software in the Software Framework.

This document is written for the software developers in order to ease the

development of lwIP TCP/IP applications for the 32-bit AVR UC3 series. It

assumes that readers are familiar with the 32-bit AVR UC3 series.

2 Overview

Lightweight TCP/IP stack designed for embedded systems. The focus of the lwIP

TCP/IP implementation is to reduce resource usage while still having a full scale

TCP (cf. http://lwip.wikia.com/wiki/LwIP_Wiki).

lwIP features:

• IP (Internet Protocol) including packet forwarding over multiple network interfaces

•ICMP (Internet Control Message Protocol) for network maintenance and

debugging

• UDP (User Datagram Protocol) including experimental UDP-lite extensions

• TCP (Transmission Control Protocol) with congestion control, RTT estimation and

fast recovery/fast retransmit

• Specialized raw API for enhanced performance

• Optional Berkeley-alike socket API

• DHCP (Dynamic Host Configuration Protocol)

• PPP (Point-to-Point Protocol)

• ARP (Address Resolution Protocol) for Ethernet

Note: lwIP has been ported on 32-bit AVR UC3 with a MACB controller. The

Software Framework 1.7 uses version 1.3.2 which includes support of DHCP.

Rev. 32147A - AVR32-06/10

12 3 4 5 6 7...17

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