LXT9763 データシートの表示（PDF） - Intel

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LXT9763

Fast Ethernet 10/100 Hex Transceiver with Full MII

Intel 

Fast Ethernet 10/100 Hex Transceiver with Full MII — LXT9763

Contents

1.0

Functional Description...........................................................................................16

1.1 Introduction..........................................................................................................16

1.1.1 OSP™ Architecture ................................................................................16

1.1.2 Comprehensive Functionality .................................................................16

1.2 Interface Descriptions..........................................................................................17

1.2.1 10/100 Network Interface .......................................................................17

1.2.2 Twisted-Pair Interface ............................................................................17

1.2.3 Fiber Interface ........................................................................................18

1.2.4 Configuration Management Interface .....................................................18

1.2.5 MDIO Management Interface .................................................................18

1.3 MII Addressing ....................................................................................................18

1.3.1 Hardware Control Interface ....................................................................20

1.3.2 MII Data Interface...................................................................................20

1.4 Operating Requirements .....................................................................................20

1.4.1 Power Requirements..............................................................................20

1.5 Clock Requirements ............................................................................................21

1.5.1 Reference Clock.....................................................................................21

1.6 Initialization..........................................................................................................21

1.6.1 Power-Down Mode.................................................................................22

1.6.2 Reset ......................................................................................................22

1.7 Hardware Configuration Settings ........................................................................23

1.8 Establishing Link .................................................................................................24

1.8.1 Auto-Negotiation.....................................................................................24

1.9 MII Operation.......................................................................................................25

1.9.1 Transmit Clock .......................................................................................26

1.9.2 Transmit Enable .....................................................................................26

1.9.3 Receive Data Valid.................................................................................26

1.9.4 Error Signals...........................................................................................26

1.9.5 Carrier Sense .........................................................................................27

1.9.6 Collision..................................................................................................27

1.9.7 Loopback................................................................................................27

1.10 100 Mbps Operation............................................................................................28

1.10.1 100BASE-X Network Operations ...........................................................28

1.10.2 100BASE-X Protocol Sublayer Operations ............................................29

1.11 10 Mbps Operation..............................................................................................33

1.11.1 10T Preamble Handling..........................................................................34

1.11.2 10T Carrier Sense ..................................................................................34

1.11.3 10T Dribble Bits......................................................................................34

1.11.4 10T Link Test..........................................................................................34

1.12 Monitoring Operations .........................................................................................35

1.12.1 Monitoring Auto-Negotiation...................................................................35

1.12.2 Per-Port LED Driver Functions ...............................................................35

1.13 Boundary Scan (JTAG1149.1) Functions............................................................36

1.13.1 Boundary Scan Interface........................................................................36

1.13.2 State Machine ........................................................................................36

1.13.3 Instruction Register ................................................................................36

Datasheet

3

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