
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
FX PECL Receiver............................................10
FX Receiver Clock Recovery Module ................10
FX NRZI to NRZ Converter ...............................10
FX Serial to Parallel Converter ..........................11
FX Code Group Alignment Monitor....................11
TX Scrambler....................................................11
TX Parallel to Serial Converter ..........................11
TX NRZ to NRZI Converter ...............................11
TX NRZI to MLT-3 Converter.............................11
TX MLT-3 Driver ...............................................11
100Base-TX to FX Operation................................12
TX Signal Detect...............................................12
TX Digital Adaptive Equalization........................12
TX MLT-3 to NRZI Decoder...............................13
TX Clock Recovery Module...............................13
TX NRZI to NRZ Decoder..................................13
TX Serial to Parallel Converter ..........................13
TX Code Group Monitor ....................................13
TX Descrambler................................................13
FX Parallel to Serial Converter..........................13
FX NRZ to NRZI Encoder .................................13
Link Monitor and LED Driver.............................13
Absolute Maximum Ratings..................................14
DC Electrical Characteristics ................................15
AC Electrical Characteristics.................................16
Timing Waveforms ...............................................17
100BASE-TX to FX Transmit Timing Diagram...17
100BASE-FX to TX Transmit Timing Diagram...17
5-Bit Symbol 100Base-TX/FX Transmit Timing
Diagram ............................................................17
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