AT76C510 Datasheet, PDF (1/3 Pages) ATMEL Corporation – Ethernet to Wireless Bridge-on-a-Chip

Features
• Wireless Interface Following the IEEE 802.11b Standard
• Ethernet MAC Unit (EMU) Interfaces with 10/100-Mbit Ethernet Physical through a
Standard MII Port
• Inter-networking Unit (INWARM) with Integrated ARM7TDMI^® RISC Processor Provides
the Bridging Functions between Ethernet and Wireless Interfaces
• WLAN MAC Unit with a Second ARM7TDMI RISC Processor and Integrated 128-byte
Transmit and 128-byte Receive FIFOs, for Wireless MAC Layer Functions
• Glueless SRAM Interface for all MAC Operations, Supporting up to 16M Bytes of
Common External Memory Shared between Both Processors
• Integrated 2 x 6K x 32-bit Internal SRAM Memory Banks, Used for Each Processor’s
Program Code and Data Space
• Glueless Flash Memory Interface, Supporting up to 16M Bytes of Nonvolatile Memory
for Permanent Storage of Program Code
• Enciphering/Deciphering of Wireless Data On-the-fly 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
• 3.3V for Core and I/O
• 128-lead Plastic Quad Flat Pack (PQFP) or Thin Quad Flat Pack (TQFP) Package
Block Diagram
Inter-networking
ARM Core
(IWARM)
Decoder/Arbiter/
Bridge #2
Timers,
Interrupt
Controller #2
Ethernet to
Wireless
Bridge-on-a-
Chip
AT76C510
VNET-B
Summary
Internal
Memory #2
External
Memory
Interface
Internal
Memory #1
WLAN
ARM Core
(WLANARM)
Ethernet
Processor
Wireless Physical
Attachment
Interface
(WPAI)
Decoder/Arbiter/
Bridge #1
Timers,
Interrupt
Controller #1
Rev. 1650DS–WLAN–01/03
Note: This is a summary datasheet. A complete document is
available under NDA. For more information, please contact your
1
local Atmel Sales office.