Contents
4Datasheet
Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005
5.1.5.1 Speed.....................................................................................................78
5.1.5.2 Duplex....................................................................................................78
5.1.5.3 Copper Auto-Negotiation .......................................................................78
5.1.6 Jumbo Packet Support ..........................................................................................78
5.1.6.1 Rx Statistics...........................................................................................79
5.1.6.2 TX Statistics...........................................................................................79
5.1.6.3 Loss-less Flow Control............ .......................... .....................................79
5.1.7 Packet Buffer Dimensions.................................... .......................... .......................80
5.1.7.1 TX and RX FIFO Operation................................................................... 80
5.1.8 RMON Statistics Support...................... .................................................... .............80
5.1.8.1 Conventions...........................................................................................82
5.1.8.2 Advantages............................................................................................83
5.2 SPI3 Interface ....................... .......................... .......................... ..........................................83
5.2.1 MPHY Operation.................. .......................... .................................................... ....84
5.2.1.1 SPI3 RX Round Robin Data Transmission............................................84
5.2.2 MPHY Logical Timing.................................. .................................................... ......84
5.2.2.1 Transmit Timing........................... .......................... ................................85
5.2.2.2 Receive Timing......................................................................................85
5.2.2.3 Clock Rates................................................................. ...........................87
5.2.2.4 Parity......................................................................................................87
5.2.2.5 SPHY Mode...........................................................................................87
5.2.2.6 SPHY Logical Timing.............................................................................88
5.2.2.7 Transmit Timing (SPHY)....................................................................... .88
5.2.2.8 Receive Timing (SPHY).........................................................................88
5.2.2.9 SPI3 Flow Control..................................................................................91
5.2.3 Pre-Pending Function............................................................................................93
5.3 Gigabit Media Independent Interface (GMII) ......................................................................93
5.3.1 GMII Signal Multiplexing....................... .......................... .......................... .............94
5.3.2 GMII Interface Signal Definition............................................................................. 94
5.4 Reduced Gigabit Media Independent Interface (RGMII) ....................................................96
5.4.1 Multiplexing of Data and Control............................................................................96
5.4.2 Timing Specifics.....................................................................................................97
5.4.3 TX_ER and RX_ER Coding...................................................................................97
5.4.3.1 In-Band Status............................. .................................................... ......99
5.4.4 10/100 Mbps Functionality................................................................... ..................99
5.5 MDIO Control and Interface................................................................................................99
5.5.1 MDIO Address.....................................................................................................100
5.5.2 MDIO Register Descriptions................................................................................100
5.5.3 Clear When Done................................................................................................100
5.5.4 MDC Generation..................................................................................................100
5.5.4.1 MDC High-Frequency Operation .........................................................100
5.5.4.2 MDC Low-Frequency Operation ..........................................................100
5.5.5 Management Frames...........................................................................................101
5.5.6 Single MDI Command Operation.........................................................................101
5.5.7 MDI State Machine..............................................................................................101
5.5.8 Autoscan Operation.............................................................................................103
5.6 SerDes Interface...............................................................................................................103
5.6.1 Features...............................................................................................................103
5.6.2 Functional Description .........................................................................................103
5.6.2.1 Transmitter Operational Overview.......................................................104
5.6.2.2 Transmitter Programmable Driver-Power Levels.................................104