1

Note: This is summary datasheet. A complete document is available under

NDA. For more information please contact your local Atmel sales office.

Features

Controller (MAC) for Supporting Standard Rates up to 11 Mbps

Control, Transmit Filter for Japanese Regulatory and Differential or Single-ended I- and

Q-Baseband Signals

Offering the Flexibility for individually Configuring Each of them as Program or Data

Memory

Parameters Used during the Device Enumeration Phase as Well as Default Parameters

for First Time EEPROM Programming

Memory

128 KBytes of External Memory

(CCM/CTR/CBC)

They are Implemented in Microcode

Block Diagram

Timers

External

Memory

Boot ROM

Interface

Internal

Memory

(SRAM)

ARM7TDMI

Decoder/

Arbiter/

Bridge

Interrupt

Controller

SPI Interface

802.11b

Baseband

MAC Support

Unit (MSU)

PCMCIA

Interface

Encryption/

Decryption

Block

802.11b

Baseband and

Media Access

Controller

(MAC) for

PCMCIA Bus

AT76C504A

Summary

Rev. 2388CS–WLAN–07/03