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文件名称: DP83848CVV.pdf
  所属分类: 硬件开发
  开发工具:
  文件大小: 900kb
  下载次数: 0
  上传时间: 2020-09-19
  提 供 者: yimi****
 详细说明:National_Semiconductor的一款网络芯片的技术手册。1.0 Pin Descriptions m 9 1.1 Serial Management Interface 9 1.2 MAC Data Interface .9 1.3 Clock Interface 11 1. 4 LED Interface 1.5 Reset and Power down 12 1.6 Strap Options 12 1.7 10 Mb/s and 100 Mb/s PMD Interface 14 1.8 Special Connections 14 1. 9 Power Supply Pi 14 1. 10 Package Pin AsSi 15 2.0 Configuration 16 2. 1 Auto-Negotiation g 16 2.1.1 Auto-Negotiation Pin Control 16 2.1.2 Auto-Negotiation Register Control 16 2.1.3 Auto-Negotiation Parallel Detection 2. 1. 4 Auto-Negotiation Restart 2.1.5 Enabling Auto-Negotiation via Software 17 2.1.6 Auto-Negotiation Complete Time 17 2.2 Auto-MDIX 2. 3 PHY Address 18 2.3.1 Mll Isolate mode 2.4 LED Interface 19 2.4.1LED 19 2.4.2 LED Direct Control 2.5 Half Duplex VS Full Duplex 20 2.6 Internal Loopback 20 2.7 BIST 20 3.0 Functional Description .I.I... 21 3.1 Mll Interface 3.1.1 Nibble-wide mll data Interface 21 3.1.2 Collision detect 3.1.3 Carrier Sense 21 3.2 Reduced mll Interface 3.3 10 Mb Serial Network Interface(SNI) .22 3. 4 802.3u Mll Serial Management Interface 3.4.1 Serial Management Register Access 3.4.2 Serial Management Access protocol 22 3.4.3 Serial Management Preamble Suppression 4.0 Architecture 24 4.1100BASE-TX TRANSMITTER .24 4.1. 1 Code-group Encoding and Injection 26 4.1.2 Scrambler 26 4.1 3 Nrz to nrzi Encoder 26 4.1. 4 Binary to MLT-3 Convertor 26 4.2100 BASE-T×RECEⅣVER 26 4.2.1 Analog Front Et 26 4.2.2 Digital Signal Processor 26 4.2.2.1 Digital Adaptive Equalization and gain Control 28 4.2.2.2 Base Line Wander Compensation 4.2.3 Signal detect 4.2.4 MLT-3 to nrzi Decoder 4,25 nrz to nrz 4.2.6 Serial to parallel 4.2.7 Descrambler 4.2.8 Code-group Alignment 4.29 4B/5B Decoder 4.2. 10 100BASE-TX Link Integrity Monitor ..30 42. 11 Bad ssD Detection .30 www.national.com Oo寸∞∞∞ 4.3 10BASE-T TRANSCEIVER MODULE 30 4.3.1 Operational Modes 30 4.3.2 Smart squelch 31 4.3.3 Collision Detection and sQE 4.3.4 Carrier Sense 31 4.3.5 Normal Link Pulse detection/Generation 4.3.6 Ja
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