at76c507 ATMEL Corporation, at76c507 Datasheet

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at76c507

Manufacturer Part Number
at76c507
Description
802.11b Media Access Controller Mac And Baseband With Usb Master Capabilities - Atmel Corporation
Manufacturer
ATMEL Corporation
Datasheet
Features
Block Diagram
USB Open Host Controller 1.1 Compliant
Integrates the IEEE 802.11 Physical Layer (Baseband) and the Medium Access
Controller (MAC) for Supporting Standard Rates up to 11 Mbps
Supports Antenna Diversity Algorithm, Automatic Receive Gain Control, Transmit Gain
Control, Transmit Filter for Japanese Regulatory and Differential or Single-ended I- and
Q-Baseband Signals
Integrates 160 KBytes of SRAM Organized in Five Banks of 32 KBytes Each, Offering
the Flexibility for Individually Configuring Each of Them as Program or Data Memory
Zero Wait States for Program Execution
Fast Data Transfers through DMA Channels
Low-power ARM7TDMI
Integrates a Bootstrap ROM Supporting Firmware Uploading from a Serial DataFlash
Glueless Parallel Flash Memory Interface, Supporting up to 128 KBytes of Nonvolatile
Memory
Glueless External SRAM Interface for all MAC Operations, Supporting up to
128 KBytes of External Memory
Wired Equivalency Privacy (WEP) in Hardware Supporting 64-bit and 128-bit Keys
Hardware Implementation of TKIP
Hardware Implementation of AES Encryption Supporting Various Modes
(CCM/CTR/CBC)
The WLAN Functions Can Be Easily Changed or Updated to New Requirements Since
They are Implemented in Microcode
Supports 11 Mbps Rates with Automatic Fallback to 5.5, 2, and 1 Mbps
SPI Interface and 9 GPIO Pins
144-ball LFBGA Package
Low-voltage 1.8V Operation
Boot ROM
Interface
Memory
(SRAM)
Internal
External
Memory
SPI Interface
®
RISC Processor
MAC Support
Unit (MSU)
ARM7TDMI
USB Master
Baseband
802.11b
Interface
Note: This is a summary document. A complete document
is available under NDA. For more information, please con-
tact your local Atmel sales office.
Controller
Encryption/
Decryption
Decoder/
Interrupt
Timers
Arbiter/
Bridge
Block
®
802.11b Media
Access
Controller
(MAC) and
Baseband with
USB Master
Capabilities
AT76C507
Summary
2384AS–WLAN–01/04

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at76c507 Summary of contents

Page 1

... Decryption Baseband Block Note: This is a summary document. A complete document is available under NDA. For more information, please con- tact your local Atmel sales office. 802.11b Media ® Access Controller (MAC) and Baseband with USB Master Capabilities AT76C507 Summary 2384AS–WLAN–01/04 ...

Page 2

... Host Controller selects which list to service. Within a list, endpoints are given equal priority insuring that all end- points of a certain type have more or less equal service opportunities. The AT76C507 provides two USB Full-Speed (12 Mbits) ports. ...

Page 3

... Fax: (81) 3-3523-7581 Disclaimer: Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard warranty which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein ...

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