
82555 — Networking Silicon
Contents
  | 
  | 5.3.3  | 22  | |
  | 5.4  | 22  | ||
  | 5.5  | 22  | ||
  | 5.6  | 22  | ||
  | 5.7  | 23  | ||
6.0  | REPEATER MODE | ....................................................................................................................  | 25  | |
  | 6.1  | Special Repeater Features  | 25  | |
  | 6.2  | Connectivity  | 25  | |
7.0  | MANAGEMENT DATA INTERFACE  | 27  | ||
  | 7.1  | MDI Frame Structure  | 27  | |
  | 7.2  | MDI Registers  | 28  | |
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  | 7.2.1  | MDI Registers 0 - 7  | 28  | 
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  | 7.2.2  | MDI Registers 8 - 15  | 31  | 
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  | 7.2.3  | MDI Registers 16 - 31  | 31  | 
8.0  | 35  | |||
  | 8.1  | Description  | ....................................................................................................................  | 35  | 
  | 8.2  | Parallel Detect and   | 36  | |
9.0  | LED DESCRIPTIONS  | 39  | ||
10.0  | RESET AND MISCELLANEOUS TEST MODES  | 41  | ||
  | 10.1  | Reset  | 41  | |
  | 10.2  | Loopback  | 41  | |
  | 10.3  | Scrambler Bypass  | 41  | |
  | 10.4  | Test Port  | 41  | |
11.0  | ELECTRICAL SPECIFICATIONS AND TIMING PARAMETERS | 43  | ||
  | 11.1  | Absolute Maximum Ratings  | 43  | |
  | 11.2  | General Operating Conditions  | 43  | |
  | 11.3  | DC Characteristics  | 43  | |
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  | 11.3.1  | MII DC Characteristics  | 43  | 
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  | 11.3.2  | 43  | |
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  | 11.3.3  | 44  | |
  | 11.4  | AC Characteristics  | 45  | |
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  | 11.4.1  | MII Clock Specifications  | 45  | 
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  | 11.4.2  | MII Timing Parameters  | 46  | 
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  | 11.4.3  | Repeater Mode Timing Parameters  | 47  | 
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  | 11.4.4  | Transmit Packet Timing Parameters  | 48  | 
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  | 11.4.5  | Squelch Test Timing Parameters  | 48  | 
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  | 11.4.6  | Jabber Timing Parameters  | 49  | 
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  | 11.4.7  | Receive Packet Timing Parameters  | 49  | 
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  | 11.4.8  | 50  | |
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  | 11.4.9  | 50  | |
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  | 11.4.10  | Reset Timing Parameters  | 51  | 
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  | 11.4.11  | X1 Clock Specifications  | 51  | 
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  | 11.4.12  | 52  | |
12.0  | 82555 PACKAGE INFORMATION  | 53  | ||
iv  | Datasheet  |