Contents
4
Datasheet
Document Number: 249241
Revision Number: 007
Revision Date: August 28, 2003
4.3.7
4.3.8
4.3.9
4.3.10 Global Hardware Control Interface......................................................................124
4.3.11 FIFO Initial Fill Values..........................................................................................124
Operating Requirements...................................................................................................125
4.4.1
Power Requirements...........................................................................................125
4.4.2
Clock/SYNC Requirements .................................................................................125
4.4.2.1
Reference Clock ..................................................................................125
4.4.2.2
TxCLK Signal (SS-SMII only)...............................................................125
4.4.2.3
TxSYNC Signal (SMII/SS-SMII)...........................................................125
4.4.2.4
RxSYNC Signal (SS-SMII only)...........................................................125
4.4.2.5
RxCLK Signal (SS-SMII only)..............................................................126
Initialization.......................................................................................................................126
4.5.1
MDIO Control Mode.............................................................................................126
4.5.2
Hardware Control Mode.......................................................................................126
4.5.3
Power-Down Mode..............................................................................................127
4.5.3.1
Global (Hardware) Power Down..........................................................128
4.5.3.2
Port (Software) Power Down ...............................................................128
4.5.4
Reset ...................................................................................................................128
4.5.5
Hardware Configuration Settings.........................................................................129
Link Establishment............................................................................................................129
4.6.1
Auto-Negotiation..................................................................................................129
4.6.1.1
Base Page Exchange ..........................................................................129
4.6.1.2
Manual Next Page Exchange ..............................................................130
4.6.1.3
Controlling Auto-Negotiation................................................................130
4.6.1.4
Link Criteria..........................................................................................130
4.6.1.5
Parallel Detection.................................................................................131
4.6.1.6
Reliable Link Establishment While Auto MDI/MDIX is
Enabled in Forced Speed Mode ..........................................................131
Serial MII Operation..........................................................................................................132
4.7.1
SMII Reference Clock..........................................................................................135
4.7.2
TxSYNC Pulse (SMII/SS-SMII)............................................................................135
4.7.3
Transmit Data Stream..........................................................................................135
4.7.3.1
Transmit Enable...................................................................................135
4.7.3.2
Transmit Error......................................................................................135
4.7.4
Receive Data Stream...........................................................................................136
4.7.4.1
Carrier Sense.......................................................................................136
4.7.4.2
Receive Data Valid ..............................................................................136
4.7.4.3
Receive Error.......................................................................................136
4.7.4.4
Receive Status Encoding.....................................................................136
4.7.5
Collision...............................................................................................................136
4.7.6
Source Synchronous-Serial Media Independent Interface..................................137
RMII Operation .................................................................................................................141
4.8.1
RMII Reference Clock..........................................................................................141
4.8.2
Transmit Enable...................................................................................................142
4.8.3
Carrier Sense & Data Valid..................................................................................142
4.8.4
Receive Error.......................................................................................................142
4.8.5
Out-of-Band Signaling .........................................................................................142
4.8.6
4B/5B Coding Operations....................................................................................142
100 Mbps Operation.........................................................................................................145
MDIO Management Interface ..............................................................................121
MII Sectionalization..............................................................................................123
MII Interrupts........................................................................................................123
4.4
4.5
4.6
4.7
4.8
4.9