80221 查看數據表（PDF） - LSI Corporation

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产品描述 (功能)

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80221

100BASE-TX/10BASE-T Ethernet Media Interface Adapter

LSI Corporation  

80220/80221

80220 / 80221 TABLE OF CONTENTS continued

3.18 Loopback

3.18.1 Internal CRS Loopback

3.18.2 Diagnostic Loopback

3.19 Automatic JAM

3.19.1 100 Mbps

3.19.2 10 Mbps

3.20 Reset

3.21 Powerdown

3.22 Oscillator

3.23 LED Drivers

3.24 100Base-T4 Interface

3.25 Repeater Mode

3.26 MI Serial Port

3.26.1 Signal Description

3.26.2 Timing

3.26.3 Multiple Register Access

3.26.4 Bit Types

3.26.5 Frame Structure

3.26.6 Register Structure

3.26.7 Interrupt

4.0 Register Description

5.0 Application Information

5.1 Example Schematics

5.2 TP Transmit Interface

5.3 TP Receive Interface

5.4 TP Transmit Output Current Set

5.5 Cable Selection

5.6 Transmitter Droop

5.7 MII Controller Interface

5.7.1 General

5.7.2 Clocks

5.7.3 Output Drive

5.7.4 MII Disable

5.7.5 Receive Output Enable

5.8 FBI Controller Interface

5.9 Repeater Applications

5.9.1 MII Based Repeaters

5.9.2 Non-MII Based Repeaters

5.9.3 Clocks

5.10 Serial Port

5.10.1 General

5.10.2 Polling vs. Interrupt

5.10.3 Multiple Register Access

5.10.4 Serial Port Addressing

5.11 Long Cable

5.12 Automatic JAM

5.13 Oscillator

5.14 Programmable LED Drivers

5.15 Power Supply Decoupling

6.0 Specifications

7.0 Ordering Information

7.1 44 Pin PLCC

7.2 64 Pin LQFP

8.0 Package Diagrams

8.1 44 Pin PLCC

8.2 64 Pin LQFP

9.0 Addendum

4

MD400159/E

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