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參數(shù)資料
| 型號： | AT76C501 |
| 廠商： | Atmel Corp. |
| 英文描述： | Single-Chip Wireless LAN Media Access Controller(單芯片無線局域網(wǎng)媒體存取控制器) |
| 中文描述： | 單芯片無線局域網(wǎng)媒體訪問控制器（單芯片無線局域網(wǎng)媒體存取控制器） |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 53K |
| 代理商： | AT76C501 |
1
Features
Fully Supports the IEEE 802.11 Standard
Supports MAC Layer Functions
Individual 64-byte Transmit and 64-byte Receive FIFOs
Integrated ARM7TDMI
RISC Processor for MAC Layer Functions
Glueless PCMCIA Bus Interface Conforming to PC Card Standard - Feb. 1995
Glueless SRAM Interface for MAC Operations, Supporting up 256K bytes of Memory
Glueless Flash Memory Interface, Supporting up to 256K bytes of Non-volatile Memory
for MAC Control Code
Programmable 8/16-bit Wide External Memory Interface
Enciphering/Deciphering of Data by the Implementation of the RC4 Code, Ensures
Maximum Privacy of Data
Provides Integrated Physical Attachment Interface (PAI), Supporting Frequency
Hopping Spread Spectrum and Direct Sequence Spread Spectrum Physical-Layer
Interfaces
144-pin Thin Quad Flat Pack (TQFP) Package Available for Space Critical Applications,
Such as PCMCIA Type 2 Form Factor
Description
VirtualNet is a single-chip controller that provides all processing and functionality
needed for the MAC protocol of wireless LANs (focusing but not limited to the IEEE
802.11 standard). VirtualNet provides a glueless interface conforming to PC Card 95
and can control a variety of physical interfaces.
The VirtualNet chip contains a PCMCIA Bus Interface Unit, a MAC control unit and a
Physical Attachment Interface (PAI). The PAI supports Frequency Hopping Spread
Spectrum and Direct Sequence Spread Spectrum physical interfaces providing flexi-
bility to end users.
The incorporation of the ARM7TDMI powerful RISC processor in the MAC control unit
of VirtualNet, allows all the necessary MAC functions to be carried out by it and users
only need to add the required memory and physical layer in order to deliver a fully
functional wireless LAN connection.
Figure 1.
Typical VirtualNet Application
ANTENNA
RX
TX
TX/RX
FILTER
QMODEM
BASEBAND
PROCESSOR
ATMEL
MAC
VIRTUALNET
PCMCIA
Single-Chip
Wireless LAN
Media Access
Controller
VirtualNet
AT76C501
Summary
A complete datasheet is
available under NDA. Please
contact:
Richard Bisset
Product Marketing Director
Tel: (919) 462-6542
Fax: (919) 462-0300
e-mail: rbisset@atmel.com
Rev. 1136BS–04/99
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT76C502A | 11-megabit WLAN Media Access Controller MAC |
| AT76C503A | Universal Serial Bus 11-megabit WLAN Media Access Controller |
| AT76C504A | 802.11b Baseband and Media Access Controller (MAC) for PCMCIA Bus |
| AT76C505A | 802.11b Media Access Controller (MAC) and Baseband with USB Interface |
| AT76C505 | 802.11b Media Access Controller (MAC) and Baseband with USB Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT76C502A | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:11-megabit WLAN Media Access Controller MAC |
| AT76C503A | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Universal Serial Bus 11-megabit WLAN Media Access Controller |
| AT76C504 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AT76C504 Summary [Updated 01/03. 3 Pages] A single-chip baseband controller that can handle IEEE 802.11b standard compliant data rates of up to 11 Mbps and provides all processing and functionality needed for the MAC protocol of IEE 802.11b. It provides a glueless interface confirming to PC Card 95 and can support a variety of RF interfaces. Complete available under Non-disclosure Agreement. |
| AT76C504A | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:802.11b Baseband and Media Access Controller (MAC) for PCMCIA Bus |
| AT76C505 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:802.11b Media Access Controller (MAC) and Baseband with USB Interface |
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