DM8603 datasheet(6/107 Pages) DAVICOM

Part #	DM8603

Description	10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface

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Manufacturer	DAVICOM [Davicom Semiconductor, Inc.]

Direct Link	http://www.davicom.com.tw

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DM8603

10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface

Preliminary datasheet

6

DM8603-12-DS-P01

November 8, 2010

9.4.1.6

MLT-3 Driver ...................................................................................................................... 89

9.4.1.7

4B5B Code Group ............................................................................................................. 90

9.4.2

100Base-TX Receiver................................................................................................................................ 91

9.4.2.1

Signal Detect ..................................................................................................................... 91

9.4.2.2

Adaptive Equalization....................................................................................................... 91

9.4.2.3

MLT-3 to NRZI Decoder .................................................................................................... 91

9.4.2.4

Clock Recovery Module.................................................................................................... 91

9.4.2.5

NRZI to NRZ ....................................................................................................................... 92

9.4.2.6

Serial to Parallel ................................................................................................................ 92

9.4.2.7

Descrambler ...................................................................................................................... 92

9.4.2.8

Code Group Alignment..................................................................................................... 92

9.4.2.9

4B5B Decoder....................................................................................................................92

9.4.3

10Base-T Operation.................................................................................................................................. 93

9.4.4

Collision Detection .................................................................................................................................... 93

9.4.5

Carrier Sense............................................................................................................................................. 93

9.4.6

Auto-Negotiation....................................................................................................................................... 93

9.5

LFP and FEF Function ...................................................................................................................................... 94

9.6

HP Auto-MDIX Function .................................................................................................................................. 94

10. DC AND AC ELECTRICAL CHARACTERISTICS...................................................... 95

10.1

Absolute Maximum Ratings .............................................................................................................................. 95

10.2

Operating Conditions......................................................................................................................................... 95

10.3

DC Electrical Characteristics............................................................................................................................ 96

10.4

AC Characteristics ............................................................................................................................................. 97

10.4.1

Power On Reset Timing ........................................................................................................................... 97

10.4.2

Port 2 MII Interface Transmit Timing ................................................................................................... 98

10.4.3

Port 2 MII Interface Receive Timing ...................................................................................................... 98

10.4.4

Port 2 RMII Interface Transmit Timing ................................................................................................ 99

10.4.5

Port 2 RMII Interface Receive Timing ................................................................................................... 99

10.4.6

MII Management Interface Timing ...................................................................................................... 100

10.4.7

Host SMI Interface Timing .................................................................................................................... 100

10.4.8

EEPROM Timing ................................................................................................................................... 101

11. APPLICATION INFORMATION ................................................................................ 102

11.1

Application of Reverse MII ............................................................................................................................. 102

11.2

Application of Reduce MII to PHY ................................................................................................................ 103

11.3

Application of Reduce MII to MAC ............................................................................................................... 103

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