LXT970ATC 查看數據表（PDF） - Intel
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LXT970ATC Datasheet PDF : 74 Pages
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LXT970A — Dual-Speed Fast Ethernet Transceiver
Tables
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LXT970A Power Supply Signal Descriptions ...................................................... 10
LXT970A MII Signal Descriptions ....................................................................... 11
LXT970A Fiber Interface Signal Descriptions ..................................................... 12
LXT970A Twisted-Pair Interface Signal Descriptions ......................................... 13
LXT970A LED Indicator Signal Descriptions....................................................... 13
LXT970A Miscellaneous Signal Descriptions...................................................... 13
LXT970A Hardware Control Interface Signal Descriptions ................................. 14
MF Pin Function Settings1, 3 .............................................................................. 16
LXT970A Auto-Negotiation Operating Speed/Full-Duplex
Advertisement Settings ....................................................................................... 17
Test Loopback Operation.................................................................................... 23
Carrier Sense, Loopback, and Collision Conditions............................................ 23
Configuring the LXT970A via Hardware Control ................................................. 26
LXT970A Operating Configurations / Auto-Negotiation Enabled ........................ 26
LXT970A Operating Configurations / Auto-Negotiation Disabled ....................... 27
Mode Control Settings......................................................................................... 29
LXT970A Status using FDS/LED Pins ................................................................ 32
4B/5B Coding ...................................................................................................... 34
Magnetics Requirements .................................................................................... 41
Crystal Requirements.......................................................................................... 41
Crystal Component Manufacturers ..................................................................... 41
Absolute Maximum Ratings ................................................................................ 47
Operating Conditions .......................................................................................... 47
Digital I/O Characteristics1.................................................................................. 48
Digital I/O Characteristics - MultiFunction Pins MF<4:0>.................................... 48
Required Clock Characteristics........................................................................... 48
Low Voltage Fault Detect Characteristics ........................................................... 49
100BASE-TX Transceiver Characteristics .......................................................... 49
100BASE-FX Transceiver Characteristics .......................................................... 49
10BASE-T Transceiver Characteristics............................................................... 50
10BASE-T Link Integrity Timing Characteristics ................................................. 50
MII - 100BASE-TX Receive Timing Parameters / 4B Mode................................ 51
MII - 100BASE-TX Transmit Timing Parameters / 4B Mode............................... 52
MII - 100BASE-TX Receive Timing Parameters / 5B Mode................................ 53
MII - 100BASE-TX Transmit Timing Parameters / 5B Mode............................... 54
MII - 100BASE-FX Receive Timing Parameters / 4B Mode................................ 55
MII - 100BASE-FX Transmit Timing Parameters / 4B Mode............................... 56
MII - 10BASE-T Receive Timing Parameters...................................................... 57
MII - 10BASE-T Transmit Timing Parameters..................................................... 58
10BASE-T SQE (Heartbeat) Timing Parameters ................................................ 59
10BASE-T Jab and Unjab Timing Parameters.................................................... 59
Auto Negotiation and Fast Link Pulse Timing Parameters.................................. 60
MDIO Timing Parameters ................................................................................... 61
Power-Down Recovery Timing Parameters ........................................................ 62
Register Set ........................................................................................................ 63
Control Register (Address 0)............................................................................... 64
Status Register (Address 1) ................................................................................ 65
PHY Identification Register 1 (Address 2)........................................................... 66
PHY Identification Register 2 (Address 3)........................................................... 66
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