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參數(shù)資料
| 型號(hào)： | AT6C503A |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項(xiàng)-數(shù)據(jù)表參考 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 54K |
| 代理商： | AT6C503A |
1
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
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
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
Block Diagram
Wireless Physical
Attachment
Interface (PAI)
Timers
External
Memory
Interface
Internal
Memory
C
I
ARM7TDMI
Decoder/
Arbiter/
Bridge
Interrupt
Controller
PCMCIA Interface
WEP
Universal Serial
Bus 11-megabit
WLAN Media
Access
Controller
AT76C503A
Summary
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.
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