KSZ8001SLI Micrel Semiconductor, Inc., KSZ8001SLI Datasheet - Page 4

• Manufacturer Part Number: KSZ8001SLI
• Description: 1.8V, 3.3V 10/100BASE-T/TX/F Physical Layer Transceiver
• Manufacturer: Micrel Semiconductor, Inc.

March 2006
Micrel
Table of Contents
Pin Description .................................................................................................................................................................................... 6
Strapping Options ............................................................................................................................................................................. 10
Pin Configuration .............................................................................................................................................................................. 11
Functional Description...................................................................................................................................................................... 12
MII Management Interface................................................................................................................................................................. 13
RMII (Reduced MII) Data Interface.................................................................................................................................................... 14
SMII Signal Definition........................................................................................................................................................................ 17
HP Auto Crossover (Auto MDI/MDI-X) ............................................................................................................................................. 21
Power Management........................................................................................................................................................................... 22
100BASE-FX Mode ............................................................................................................................................................................ 22
Media Converter Operation............................................................................................................................................................... 22
LinkMD Cable Diagnostics................................................................................................................................................................ 23
Reference Clock Connection Options ............................................................................................................................................. 24
Circuit Design Reference for Power Supply.................................................................................................................................... 25
Register Map ...................................................................................................................................................................................... 26
100BASE-TX Transmit .................................................................................................................................................................... 12
100BASE-TX Receive ..................................................................................................................................................................... 12
PLL Clock Synthesizer .................................................................................................................................................................... 12
Scrambler/De-scrambler (100BASE-TX only).................................................................................................................................. 12
10BASE-T Transmit......................................................................................................................................................................... 12
10BASE-T Receive.......................................................................................................................................................................... 12
SQE and Jabber Function (10BASE-T only) ................................................................................................................................... 13
Auto-Negotiation.............................................................................................................................................................................. 13
MII Data Interface ............................................................................................................................................................................ 13
RMII Signal Definition ...................................................................................................................................................................... 14
Reference Clock (REF_CLK)........................................................................................................................................................... 15
Carrier Sense/Receive Data Valid (CRS_DV) ................................................................................................................................. 15
Receive Data [1:0] (RXD[1:0]) ......................................................................................................................................................... 15
Transmit Enable (TX_EN) ............................................................................................................................................................... 15
Transmit Data [1:0] (TXD[1:0])......................................................................................................................................................... 15
Collision Detection........................................................................................................................................................................... 15
RX_ER ............................................................................................................................................................................................ 15
RMII AC Characteristics .................................................................................................................................................................. 16
RMII Transmit Timing ...................................................................................................................................................................... 16
RMII Receive Timing ....................................................................................................................................................................... 16
SMII Signals .................................................................................................................................................................................... 17
Receive Path ................................................................................................................................................................................... 17
Receive Sequence Diagram ............................................................................................................................................................ 17
Transmit Path .................................................................................................................................................................................. 18
Transmit Sequence Diagram ........................................................................................................................................................... 18
Collision Detection........................................................................................................................................................................... 19
DC Specification .............................................................................................................................................................................. 19
Timing Specification ........................................................................................................................................................................ 20
Auto MDI/MDI-X Cross-Over Transformer Connection.................................................................................................................... 22
Register 0h – Basic Control ............................................................................................................................................................. 26
Register 1h – Basic Status .............................................................................................................................................................. 27
Register 2h – PHY Identifier 1 ......................................................................................................................................................... 27
Register 3h – PHY Identifier 2 ......................................................................................................................................................... 27
Register 4h – Auto-Negotiation Advertisement................................................................................................................................ 27
4
Revision 1.03
KSZ8001