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參數(shù)資料
| 型號(hào)： | 82555 |
| 廠商： | INTEL CORP |
| 元件分類： | 網(wǎng)絡(luò)接口 |
| 英文描述： | 10/100 Mbps LAN physical layer interface |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP100 |
| 封裝： | PLASTIC, MQFP-100 |
| 文件頁(yè)數(shù)： | 7/58頁(yè) |
| 文件大?。?/td> | 863K |
| 代理商： | 82555 |
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Datasheet
3
Networking Silicon — 82555
2.0
Architectural Overview
The 82555 is an advanced combination of both digital and analog logic which combine to provide a
functional stack between the Media Independent Interface (MII) and the wire through the
magnetics.
Figure 2
shows a general block diagram of the 82555 component.
2.1
100 Mbps Mode
In 100BASE-TX mode the 82555 digital subsection performs all signal processing of digital data
obtained from the analog reception and the data to be driven into the analog transmit subsection.
This includes 4B/5B encoding/decoding, scrambling/descrambling, carrier sense, collision
detection, link detection, Auto-Negotiation, data validation, and providing MII to the Media
Access Controller (MAC). The 82555 supports the IEEE defined MII as its MAC interface and
expects the controller to drive the Management Data Input/Output and Management Data Clock
signals to perform the management functions.
In 100BASE-TX mode, the analog subsection of the 82555 performs two functions:
Transmit: The 82555 converts a digital 125 Mbps stream into MLT-3 format and drives it
through the transmit differential pair onto the physical medium.
Figure 2. 82555 Simplified Block Diagram
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| 825551 | 制造商:MACOM 制造商全稱:Tyco Electronics 功能描述:Junior Power Timer Kontake |
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| 82555140 | 功能描述:壓敏電阻 3930pF, 0.5W 18vdc RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel |
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| 82-5558 | 功能描述:射頻適配器 - 系列之間 BNC JACK TO N PLUG M55339/20-00201 RoHS:否 制造商:Amphenol Connex 側(cè)1射頻系列:SMA 側(cè)1性別:Jack (Female) 側(cè)1極性:Normal 側(cè)1體類型:Bulkhead 側(cè)2射頻系列:TNC 側(cè)2性別:Jack (Female) 側(cè)2極性:Normal 側(cè)2體類型:Bulkhead 阻抗:50 Ohms 適配器類型:Straight 頻率范圍:DC to 11 GHz 觸點(diǎn)電鍍:Gold 外殼電鍍:Gold 主體材料:Brass |
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