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參數資料
| 型號： | AT76C502A |
| 廠商： | Atmel Corp. |
| 英文描述： | 11-megabit WLAN Media Access Controller MAC |
| 中文描述： | 11兆無線局域網媒體訪問控制器的MAC |
| 文件頁數： | 1/3頁 |
| 文件大?。?/td> | 376K |
| 代理商： | AT76C502A |
1948DS–WLAN–0
9
/03
Features
Wireless Interface Following the IEEE 802.11b Standard
Wireless LAN MAC Unit with ARM7TDMI
RISC Processor
Integrated 128-byte Transmit and 128-byte Receive FIFOs for Wireless MAC Layer
Functions
16-bit PCMCIA Bus 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
Enciphering/Deciphering of Wireless Data On-the-fly by the Implementation of the
Encryption/Decryption Code Ensures Maximum Privacy of Data
The Integrated Physical Attachment Interface (PAI) Fully Supports Direct-sequence
Spread Spectrum and Frequency-hopping Spread Spectrum (2 Mbps) Physical-layer
Interfaces
The WLAN and Inter-networking Functions can be Changed and Updated Easily to New
Requirements Since They are Implemented in Microcode
Supports 11 Mbps Rates with Automatic Fallback to 5.5, 2 and 1 Mbps
144-lead TQFP Package
Low-voltage 3.3V Operation
Internal ROM Contains Hardwired CIS Information for Automatic Configuration when
Card is Inserted in the PCMCIA Slot or Reads Custom CIS Information from SPI
Memory
Offers SPI interface and 3 GPIO Pins
AT76C502A Offers the Option to Download the Whole Code from SPI DataFlash
or an
Option to Eliminate Flash by Downloading the Program from the Mass Storage Device
Block Diagram
Wireless Physical
Attachment
Interface (PAI)
Timers
External
Memory
Interface
Internal
Memory
C
I
ARM7TDMI
Decoder/
Arbiter/
Bridge
Interrupt
Controller
PCMCIA Interface
WEP
11-megabit
WLAN Media
Access
Controller
(MAC)
AT76C502A
Summary
Note: This is a summary document. A complete document is avail-
able under NDA. For more information, please contact your local
Atmel sales office.
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| AT76C507 | 802.11b Media Access Controller (MAC) and Baseband with USB Master Capabilities |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| AT76C505A | 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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