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
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
MII Addressing ....................................................................................................18
1.3.1 Hardware Control Interface ....................................................................20
1.3.2 MII Data Interface...................................................................................20
Operating Requirements .....................................................................................20
1.4.1 Power Requirements..............................................................................20
Clock Requirements............................................................................................21
1.5.1 Reference Clock.....................................................................................21
Initialization..........................................................................................................21
1.6.1 Power-Down Mode.................................................................................22
1.6.2 Reset......................................................................................................22
Hardware Configuration Settings ........................................................................23
Establishing Link .................................................................................................24
1.8.1 Auto-Negotiation.....................................................................................24
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
100 Mbps Operation............................................................................................28
1.10.1 100BASE-X Network Operations ...........................................................28
1.10.2 100BASE-X Protocol Sublayer Operations ............................................29
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
Monitoring Operations.........................................................................................35
1.12.1 Monitoring Auto-Negotiation...................................................................35
1.12.2 Per-Port LED Driver Functions...............................................................35
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
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
1.11
1.12
1.13
Datasheet
3
INTEL [ INTEL ]
