
Table of Contents
Contents
Page
LU3X34FT
Quad 3 V 10/100 Ethernet Transceiver TX/FX
Advance Data Sheet
June 1999
2
Lucent Technologies Inc.
Overview................................................................................................................................................................... 1
Features ................................................................................................................................................................... 1
Description................................................................................................................................................................ 4
Pin Information ......................................................................................................................................................... 5
Pin Descriptions........................................................................................................................................................ 6
Functional Description............................................................................................................................................ 11
Media Independent Interface (MII)...................................................................................................................... 11
100Base-X Module.............................................................................................................................................. 12
10Base-T Module................................................................................................................................................ 17
Clock Synthesizer................................................................................................................................................ 19
Autonegotiation ................................................................................................................................................... 19
Reset Operation.................................................................................................................................................. 20
MII Registers .......................................................................................................................................................... 23
dc and ac Specifications......................................................................................................................................... 36
Absolute Maximum Ratings................................................................................................................................. 36
Clock Timing........................................................................................................................................................... 37
Package Properties................................................................................................................................................ 47
Tables
Page
Table 1. Twisted-Pair Magnetic Interface ................................................................................................................. 6
Table 2. Twisted-Pair Transceiver Control/Transmitter Control................................................................................. 6
Table 3. MII Interface ............................................................................................................................................... 6
Table 4. Autonegotiation/LED Configuration............................................................................................................ 8
Table 5. Special Mode Configurations..................................................................................................................... 9
Table 6. Clock and Chip Reset ................................................................................................................................ 9
Table 7. Power and Ground ................................................................................................................................... 10
Table 8. Symbol Coding Table ............................................................................................................................... 14
Table 9. Initial Values for Autonegotiation Registers.............................................................................................. 22
Table 10. MII Management Registers.................................................................................................................... 23
Table 11. Control Register (Register 0h) ............................................................................................................... 23
Table 12. Status Register Bit Definitions (Register 1h).......................................................................................... 25
Table 13. PHY Identifier (Register 2h)................................................................................................................... 27
Table 14. PHY Identifier (Register 3h)................................................................................................................... 27
Table 15. Advertisement (Register 4h) .................................................................................................................. 27
Table 16. Autonegotiation Link Partner Ability (Register 5h) ................................................................................. 28
Table 17. Autonegotiation Expansion Register (Register 6h) ................................................................................ 28
Table 18. Programmable LED (Register 11h) Only Under PHY Address for Port 2............................................... 29
Table 19. False Carrier Counter (Register 13h)..................................................................................................... 30
Table 20. Receive Error Counter (Register 15h).................................................................................................... 31
Table 21. PHY Control/Status Register (Register 17h).......................................................................................... 31
Table 22. Config 100 Register (Register 18h)........................................................................................................ 32
Table 23. PHY Address Register (Register 19h) ................................................................................................... 33
Table 24. Config 10 Register (Register 1Ah)......................................................................................................... 34
Table 25. Status 100 Register (Register 1Bh) ....................................................................................................... 34
Table 26. Status 10 Register (Register 1Ch)......................................................................................................... 34
Table 27. Interrupt Mask Register (Register 1Dh) ................................................................................................. 35
Table 28. Interrupt Status Register (Register 1Eh)................................................................................................ 35
Table 29. Absolute Maximum Ratings ................................................................................................................... 36
Table 30. Operating Conditions ............................................................................................................................. 36