24 Ports 10/100 Fast Ethernet Switch Controller
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Data Sheet: ACD82124
24 Ports 10/100 Fast Ethernet Switch Controller
Rev.1.1.1.F Last Update: Nove...
Description
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Data Sheet: ACD82124
24 Ports 10/100 Fast Ethernet Switch Controller
Rev.1.1.1.F Last Update: November 5, 1998 Subject to Change
Please check ACD’s website for update information before starting a design Web site: http://www.acdcorp.com
or Contact ACD at: Email: support@acdcorp.com Tel: 408-433-9898x115 Fax: 408-545-0930
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For ACD authorized customer use only. No reproduction or redistribution without ACD’s prior permission. 1
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ACD Confidential. Do Not Reproduce. Use under Non-Disclosure Agreement only.
INTRODUCTORY
Data Sheet: ACD82124
Advanced Communication Devices
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Table of Contents
1 2 3 4 5 6 7 8 9 10 11
General Description Main Features System Block Diagram System Description Functional Description Interface Description Register Description Pin Description Timing Description Electrical Specifications Packaging Appendix Address Resolution Logic (The built-in ARL)
3 3 3 4 4 10 16 27 32 38 39
A1
40
ACD Confidential. Do Not Reproduce. Use under Non-Disclosure Agreement only.
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INTRODUCTORY
Section
Page
Data Sheet: ACD82124
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1. GENERAL DESCRIPTION The ACD82124 is a single chip implementation of a 24 port 10/100 Ethernet switch system intended for IEEE 802.3 and 802.3u compatible networks. The device includes 24 independent 10/100 MACs. Each MAC interfaces with an external PMD/PHY device through a standard MII interface. Speed can be a...
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