IDT 89HPES64H16G2 User Manual page 12

IDT Table of Contents
Notes
PES64H16G2 User Manual
End-to-End Data Path Parity Protection ............................................................................... 3-14
Clocking
Introduction ..................................................................................................................................... 4-1
Port Clocking Mode ........................................................................................................................ 4-1
Reset and Initialization
Introduction ..................................................................................................................................... 5-1
Boot Configuration Vector............................................................................................................... 5-2
Switch Fundamental Reset............................................................................................................. 5-3
Switch Mode Dependent Initialization..................................................................................... 5-6
Port Merging ................................................................................................................................... 5-7
Partition Resets .............................................................................................................................. 5-8
Partition Fundamental Reset .................................................................................................. 5-8
Partition Hot Reset ................................................................................................................. 5-9
Partition Upstream Secondary Bus Reset .............................................................................. 5-9
Partition Downstream Secondary Bus Reset ....................................................................... 5-10
Port Mode Change Reset ............................................................................................................. 5-10
Switch Partitions
Introduction ..................................................................................................................................... 6-1
Switch Partitions ............................................................................................................................. 6-1
Partition Configuration ............................................................................................................ 6-1
Partition State ......................................................................................................................... 6-2
Partition State Change ........................................................................................................... 6-3
Switch Ports.................................................................................................................................... 6-4
Switch Port Mode ................................................................................................................... 6-4
Port Operating Mode Change......................................................................................................... 6-7
Common Operating Mode Change Behavior ......................................................................... 6-9
No Action Mode Change Behavior ....................................................................................... 6-14
Reset Mode Change Behavior ............................................................................................. 6-14
Hot Reset Mode Change Behavior....................................................................................... 6-15
Partition and Port Configuration.................................................................................................... 6-15
Static Reconfiguration .......................................................................................................... 6-15
Dynamic Reconfiguration ..................................................................................................... 6-16
Link Operation
Introduction ..................................................................................................................................... 7-1
Polarity Inversion ............................................................................................................................ 7-1
Lane Reversal................................................................................................................................. 7-1
Link Width Negotiation.................................................................................................................... 7-5
Link Width Negotiation in the Presence of Bad Lanes ........................................................... 7-6
Dynamic Link Width Reconfiguration.............................................................................................. 7-6
Link Speed Negotiation................................................................................................................... 7-6
Link Speed Negotiation in the PES64H16G2 ......................................................................... 7-7
Software Management of Link Speed .................................................................................... 7-8
Link Retraining................................................................................................................................ 7-9
Link Down ..................................................................................................................................... 7-10
Slot Power Limit Support .............................................................................................................. 7-10
Upstream Port ...................................................................................................................... 7-10
Downstream Port.................................................................................................................. 7-10
Link States .................................................................................................................................... 7-11
Active State Power Management ................................................................................................. 7-11
ii April 5, 2013