DM9301

100Mbps Ethernet Fiber/Twisted Pair Single Chip Media Converter

2

Final

Version: DM9301-DS-F02

May 8, 2000

Table of Contents

General Description ................................................1

Block Diagram ........................................................1

Table of contents ....................................................2

Features .................................................................3

Pin Configuration: DM9301 QFP .............................4

Pin Description .......................................................5

Functional Description ..........................................10

100Base-FX to TX Operation ................................10

T FX PECL Receiver ............................................10

T FX Receiver Clock Recovery Module ................10

T FX NRZI to NRZ Converter ...............................10

T FX Serial to Parallel Converter ..........................11

T FX Code Group Alignment Monitor ....................11

T TX Scrambler....................................................11

T TX Parallel to Serial Converter ..........................11

T TX NRZ to NRZI Converter ...............................11

T TX NRZI to MLT-3 Converter.............................11

T TX MLT-3 Driver ...............................................11

100Base-TX to FX Operation ................................12

T TX Signal Detect ...............................................12

T TX Digital Adaptive Equalization........................12

T TX MLT-3 to NRZI Decoder...............................13

T TX Clock Recovery Module ...............................13

T TX NRZI to NRZ Decoder..................................13

T TX Serial to Parallel Converter ..........................13

T TX Code Group Monitor ....................................13

T TX Descrambler ................................................13

T FX Parallel to Serial Converter.......................... 13

T FX NRZ to NRZI Encoder ................................. 13

T Link Monitor and LED Driver ............................. 13

Absolute Maximum Ratings .................................. 14

DC Electrical Characteristics ................................ 15

AC Electrical Characteristics................................. 16

Timing Waveforms ............................................... 17

T 100BASE-TX to FX Transmit Timing Diagram ... 17

T 100BASE-FX to TX Transmit Timing Diagram ... 17

T 5-Bit Symbol 100Base-TX/FX Transmit Timing

Diagram ............................................................ 17

T 5-Bit Symbol 100Base-TX/FX Receive Timing

Diagram ............................................................ 18

Application Circuit (For Reference Only) ............... 19

Package Information............................................. 21

Ordering Information............................................. 22

Disclaimer ............................................................ 22

Company Overview .............................................. 22

Products............................................................... 22

Contact Windows.................................................. 22

Warning ............................................................... 22