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PDF AT76C503A Data sheet ( Hoja de datos )
| Número de pieza | AT76C503A | |
| Descripción | Universal Serial Bus 11-megabit WLAN Media Access Controller | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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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 Bytes 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
• AT76C503A Offers the Option to Download the Whole Code from SPI Flash
Block Diagram
Universal Serial
Bus 11-megabit
WLAN Media
Access
Controller
AT76C503A
Summary
WEP
USB Interface
Wireless Physical
Attachment Interface
External Memory
Interface
ARM7TDMI
Decoder/
Arbiter/
Bridge
Internal Memory
Timers
Interrupt
Controller
Rev. 1949CS–WLAN–06/02
Note: This is a summary document. A complete document is
available under NDA. For more information, please contact your 1
local Atmel sales office.
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet AT76C503A.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AT76C503A | Universal Serial Bus 11-megabit WLAN Media Access Controller | ATMEL Corporation |
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