ksz8051mlli Micrel Semiconductor, ksz8051mlli Datasheet - Page 4

• Manufacturer Part Number: ksz8051mlli
• Description: 10base-t/100base-tx Physical Layer Transceiver
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
Contents
General Description .............................................................................................................................................................. 1
Features ................................................................................................................................................................................. 1
Functional Diagram............................................................................................................................................................... 1
Applications........................................................................................................................................................................... 2
Ordering Information ............................................................................................................................................................ 2
Revision History.................................................................................................................................................................... 3
Contents................................................................................................................................................................................. 4
List of Figures........................................................................................................................................................................ 6
List of Tables ......................................................................................................................................................................... 7
Pin Configuration – KSZ8051MLL ....................................................................................................................................... 8
Pin Description – KSZ8051MLL ........................................................................................................................................... 9
Pin Description – KSZ8051MLL (Continued).................................................................................................................... 10
Pin Description – KSZ8051MLL (Continued).................................................................................................................... 11
Pin Description – KSZ8051MLL (Continued).................................................................................................................... 12
Strapping Options – KSZ8051MLL .................................................................................................................................... 13
Functional Description: 10Base-T/100Base-TX Transceiver ......................................................................................... 14
MII Data Interface ................................................................................................................................................................ 16
Back-to-Back Mode – 100Mbps Copper Repeater / Media Converter............................................................................ 19
MII Management (MIIM) Interface....................................................................................................................................... 20
Interrupt (INTRP) ................................................................................................................................................................. 20
July 2010
100Base-TX Transmit....................................................................................................................................................... 14
100Base-TX Receive........................................................................................................................................................ 14
10Base-T Transmit ........................................................................................................................................................... 14
10Base-T Receive ............................................................................................................................................................ 14
Scrambler/De-Scrambler (100Base-TX Only) .................................................................................................................. 15
SQE and Jabber Function (10Base-T Only)..................................................................................................................... 15
PLL Clock Synthesizer...................................................................................................................................................... 15
Auto-Negotiation ............................................................................................................................................................... 15
MII Signal Definition.......................................................................................................................................................... 17
MII Signal Diagram ........................................................................................................................................................... 18
MII Back-to-Back Mode (KSZ8051MLL only) ................................................................................................................... 19
Transmit Clock (TXC) ................................................................................................................................................... 17
Transmit Enable (TXEN) .............................................................................................................................................. 17
Transmit Data [3:0] (TXD[3:0]) ..................................................................................................................................... 17
Receive Clock (RXC).................................................................................................................................................... 17
Receive Data Valid (RXDV).......................................................................................................................................... 17
Receive Data[3:0] (RXD[3:0]) ....................................................................................................................................... 18
Receive Error (RXER) .................................................................................................................................................. 18
Carrier Sense (CRS) .................................................................................................................................................... 18
Collision (COL) ............................................................................................................................................................. 18
4
M9999-071210-1.0
KSZ8051MLL