82555 — Networking Silicon
Contents
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| 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 |