lxt972a Intel Corporation, lxt972a Datasheet - Page 6

• Manufacturer Part Number: lxt972a
• Description: 3.3v Dual-speed Fast Ethernet Transceiver Datasheet
• Manufacturer: Intel Corporation

LXT972A — 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
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Carrier Sense, Loopback, and Collision Conditions............................................ 28
4B/5B Coding ...................................................................................................... 33
BSR Mode of Operation ...................................................................................... 39
Supported JTAG Instructions .............................................................................. 39
Device ID Register .............................................................................................. 39
Magnetics Requirements .................................................................................... 40
RJ-45 Pin Comparison of NIC and Switch Twisted-Pair Interfaces .................... 40
Absolute Maximum Ratings ................................................................................ 44
Operating Conditions .......................................................................................... 44
Digital I/O Characteristics 1................................................................................. 45
Digital I/O Characteristics - MII Pins ................................................................... 45
I/O Characteristics - REFCLK/XI and XO Pins.................................................... 45
I/O Characteristics - LED/CFG Pins.................................................................... 45
100BASE-TX Transceiver Characteristics .......................................................... 46
10BASE-T Transceiver Characteristics............................................................... 46
10BASE-T Link Integrity Timing Characteristics ................................................. 46
100BASE-TX Receive Timing Parameters - 4B Mode........................................ 47
100BASE-TX Transmit Timing Parameters - 4B Mode ....................................... 48
10BASE-T Receive Timing Parameters.............................................................. 49
10BASE-T Transmit Timing Parameters............................................................. 50
10BASE-T Jabber and Unjabber Timing Parameters ......................................... 51
10BASE-T SQE Timing Parameters ................................................................... 51
Auto Negotiation and Fast Link Pulse Timing Parameters.................................. 52
MDIO Timing Parameters ................................................................................... 53
Register Set ........................................................................................................ 55
Register Bit Map.................................................................................................. 56
Control Register (Address 0)............................................................................... 58
MII Status Register #1 (Address 1) ..................................................................... 58
PHY Identification Register 1 (Address 2)........................................................... 59
PHY Identification Register 2 (Address 3)........................................................... 60
Auto Negotiation Advertisement Register (Address 4)........................................ 61
Auto Negotiation Link Partner Base Page Ability Register (Address 5) .............. 62
Auto Negotiation Expansion (Address 6) ............................................................ 63
Auto Negotiation Next Page Transmit Register (Address 7) ............................... 63
Auto Negotiation Link Partner Next Page Receive Register (Address 8) ........... 64
Configuration Register (Address 16, Hex 10) ..................................................... 64
Status Register #2 (Address 17) ......................................................................... 65
Interrupt Enable Register (Address 18)............................................................... 66
Interrupt Status Register (Address 19, Hex 13) .................................................. 66
LED Configuration Register (Address 20, Hex 14) ............................................. 68
Transmit Control Register #2 (Address 30)......................................................... 69
Power-Up Timing Parameters............................................................................ 54
RESET Pulse Width and Recovery Timing Parameters .................................... 54
Datasheet