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TMC2005

5 Port HUB Controller Device

SMSC -> Microchip 

TABLE OF CONTENTS

FEATURES......................................................................................................................................................................................... 1

GENERAL DESCRIPTION ................................................................................................................................................................ 1

PIN CONFIGURATION ...................................................................................................................................................................... 4

BLOCK DIAGRAM............................................................................................................................................................................. 5

DESCRIPTION OF PIN FUNCTIONS ............................................................................................................................................... 6

TX/RX Interface............................................................................................................................................................................ 8

Operating Mode Setup............................................................................................................................................................... 9

PLL ................................................................................................................................................................................................ 9

Other Signals ............................................................................................................................................................................10

OPERATIONAL DESCRIPTION.....................................................................................................................................................11

Direction Determination ..........................................................................................................................................................11

Direction Release ....................................................................................................................................................................11

Jitter Filter...................................................................................................................................................................................11

Option Feature for Jitter Filtering ...........................................................................................................................................12

APPLICATION NOTES ...................................................................................................................................................................13

PORT GROUP .................................................................................................................................................................................21

Various Setup............................................................................................................................................................................21

Example For Operation Mode Setup To Each Port ............................................................................................................21

Note for Unused port ...............................................................................................................................................................21

Example for Power-On Reset Circuit....................................................................................................................................21

CONNECTING THE TMC2005 WITH INTERNAL PLL................................................................................................................22

Method To Connect A Crystal Clock......................................................................................................................................23

CASCADING CONNECTION ..........................................................................................................................................................23

Ring Network With the TMC2005 ..........................................................................................................................................27

OPERATIONAL DESCRIPTION.....................................................................................................................................................29

MAXIMUM GUARANTEED RATINGS* ...................................................................................................................................29

STANDARD OPERATING CONDITION ................................................................................................................................29

DC CHARACTERISTIC - INPUT PIN.....................................................................................................................................29

DC CHARACTERISTIC - OUTPUT PIN ................................................................................................................................30

AC CHARACTERISTIC - CLOCK and RESET.....................................................................................................................30

TMC2005 60 PIN QFP PACKAGE OUTLINE...............................................................................................................................31

SMSC DS – TMC2005

Page 3

Rev. 10/24/2000

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