Datasheet > AT6C503A

AT6C503A

更新时间： 2024-01-11 14:51:31

品牌	Logo	应用领域
其他 - ETC		外围集成电路数据传输控制器异步传输模式局域网 ATM 通信
页数	文件大小	规格书
3页	55K
描述
Controller Miscellaneous - Datasheet Reference

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技术参数
数据手册

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AT6C503A 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	TQFP-128	Reach Compliance Code：	compliant
风险等级：	5.85	总线兼容性：	SPI; USB
通信协议：	SYNC, BYTE	最大数据传输速率：	1.375 MBps
JESD-30 代码：	S-PQFP-G128	I/O 线路数量：	5
端子数量：	128	片上数据RAM宽度：	32
封装主体材料：	PLASTIC/EPOXY	封装代码：	QFP
封装形状：	SQUARE	RAM（字数）：	3072
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	端子形式：	GULL WING
端子位置：	QUAD	uPs/uCs/外围集成电路类型：	SERIAL IO/COMMUNICATION CONTROLLER, LAN
Base Number Matches：	1

AT6C503A 数据手册

Features

• IEEE 802.11b-compliant Wireless Standard

• Wireless LAN MAC Unit with ARM7TDMI^™RISC Processor

• Integrated 128-byte Transmit and 128-byte Receive FIFOs, for Wireless MAC Layer

Functions

• Delivers Standard Wireless Networking to Any Host that Supports a Full-speed

(12 Mbps) USB Interface

• Glueless SRAM Interface for All MAC Operations, Supporting up to 1M Byte of External

Memory

• Integrated 6K x 32-bit Internal SRAM, Used for Fast Program Code Execution and

Temporary Storage of Data

• Glueless Flash Memory Interface, Supporting up to 1M Byte of Nonvolatile Memory for

Permanent Storage of Program Code

Universal Serial

Bus 11-megabit

WLAN Media

Access

• Wired Equivalent Privacy (WEP) in Hardware Supporting 64-bit and 128-bit Encryption

• The Integrated Physical Attachment Interface (PAI) Fully Supports Direct-sequence

Spread Spectrum and Frequency-hopping Spread Spectrum Physical-layer Interfaces

• The WLAN and Inter-networking Functions can be Changed and Updated Easily to New

Requirements Since They are Implemented in Micro Code

• Supports 11 Mbps Data Rate with Automatic Fallback to 5.5, 2 and 1 Mbps

• 128-lead, 14 x 14 mm TQFP Package

Controller

• Low-voltage Operation (3.3V)

• Internal ROM Contains Hardwired USB Control Software for Automatic Configuration

When Card is Inserted in the USB Slot

• Device Firmware Upgrade is also Included in the Internal ROM for Downloading

Firmware into Internal SRAM

• Offers SPI Interface and Five GPIO Pins

• The Internal ROM Program Reads Two Configuration Pins that Give the

Following Information: AT76C503A Offers the Option to Download the Whole

Code from SPI Flash

AT76C503A

Summary

Block Diagram

PCMCIA Interface

Timers

Decoder/

Arbiter/

Bridge

External

Memory

Interface

ARM7TDMI

Interrupt

Controller

Wireless Physical

Attachment

Interface (PAI)

Internal

Memory

WEP

Rev. 1949BS–12/01

Note: This is a summary document. A complete document is

available under NDA. For more information, please contact your

local Atmel sales office.

12 3

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