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參數(shù)資料
| 型號(hào)： | AT76C505A |
| 廠商： | Atmel Corp. |
| 英文描述： | 802.11b Media Access Controller (MAC) and Baseband with USB Interface |
| 中文描述： | 802.11媒體訪問控制器（MAC）和基帶USB接口 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 42K |
| 代理商： | AT76C505A |
1
Note: This is a summary document. A complete document is available
under NDA. For more information, please contact your local Atmel sales
office.
Features
Integrates the IEEE 802.11b Physical Layer (Baseband) and the Media 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
RISC Processor
Integrates a Bootstrap ROM Supporting Device Firmware Upgrade (DFU) Protocol and
USB Chapter 9 Compatibility
The Bootstrap Code Supports External SPI EEPROM for the Custom Configuration
Parameters Used during the Device Enumeration Phase as well as Default Parameters
for First Time EEPROM Programming
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 Core Operation
Block Diagram
Timers
External
Memory
Interface
Boot ROM
Internal
Memory
(SRAM)
C
I
ARM7TDMI
Decoder/
Arbiter/
Bridge
Interrupt
Controller
SPI Interface
802.11b
Baseband
MAC Support
Unit (MSU)
USB
Interface
Encryption/
Decryption
Block
802.11b
Media Access
Controller
(MAC) and
Baseband with
USB Interface
AT76C505A
Summary
Rev. 2389BS–WLAN–07/03
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT76C505 | 802.11b Media Access Controller (MAC) and Baseband with USB Interface |
| AT76C507 | 802.11b Media Access Controller (MAC) and Baseband with USB Master Capabilities |
| AT76C509 | Ethernet to Wireless Bridge Low-Cost Access Point |
| AT76C511 | Dual Ethernet to IEEE 802.11b WLAN Bridgeon-on-a-Chip(DEW-B) |
| AT76C520 | Network Processor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT76C505A-0CT144 | 制造商:Atmel Corporation 功能描述:ACCT#301004253 09/29/06 |
| AT76C506 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AT76C506 Summary [Updated 01/03. 3 Pages] A single-chip baseband controller that can handle IEEE 802.11b standard compliant data rates of up to 11 Mbps and provides all processing and functionality needed for the MAC protocol of IEE 802.11b. Complete available under Non-disclosure Agreement. |
| AT76C506A | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:802.11B MEDIA ACCESS CONTROLLER (MAC) AND BASEBAND WITH PCI INTERFACE |
| AT76C507 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:802.11b Media Access Controller (MAC) and Baseband with USB Master Capabilities |
| AT76C509 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Ethernet to Wireless Bridge Low-Cost Access Point |
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