Table Of Contents - IDT 89HPES24T6G2 User Manual

Notes
PES24T6G2 User Manual
®
About This Manual
Introduction .................................................................................................................................... 1
Content Summary .......................................................................................................................... 1
Signal Nomenclature ..................................................................................................................... 1
Numeric Representations .............................................................................................................. 2
Data Units ...................................................................................................................................... 2
Register Terminology ..................................................................................................................... 3
Use of Hypertext ............................................................................................................................ 4
Reference Documents ................................................................................................................... 4
Revision History ............................................................................................................................. 4
PES24T6G2 Device Overview
Introduction ..................................................................................................................................... 1-1
Features.......................................................................................................................................... 1-1
Logic Diagram - PES24T6G2 ....................................................................................................... 1-4
Vendor ID........................................................................................................................................ 1-5
Device ID ........................................................................................................................................ 1-5
Revision ID...................................................................................................................................... 1-5
JTAG ID .......................................................................................................................................... 1-5
SSID/SSVID.................................................................................................................................... 1-5
Pin Description................................................................................................................................ 1-6
Pin Characteristics ........................................................................................................................1-11
Port Configuration ......................................................................................................................... 1-12
Clocking, Reset and Initialization
Clocking .......................................................................................................................................... 2-1
Initialization ..................................................................................................................................... 2-1
Reset............................................................................................................................................... 2-2
Fundamental Reset ................................................................................................................ 2-2
Hot Reset................................................................................................................................ 2-5
Upstream Secondary Bus Reset ............................................................................................ 2-6
Downstream Secondary Bus Reset........................................................................................ 2-6
Downstream Port Reset Outputs .................................................................................................... 2-7
Power Enable Controlled Reset Output.................................................................................. 2-7
Power Good Controlled Reset Output .................................................................................... 2-8
Link Operation
Introduction ..................................................................................................................................... 3-1
Polarity Inversion ............................................................................................................................ 3-1
Lane Reversal................................................................................................................................. 3-1
Link Width Negotiation.................................................................................................................... 3-2
Dynamic Link Width Reconfiguration .............................................................................................. 3-3
Dynamic Link Width Reconfiguration Support in the PES24T6G2 ......................................... 3-3
Link Speed Negotiation................................................................................................................... 3-4
Link Speed Negotiation in the PES24T6G2............................................................................ 3-4
Software Management of Link Speed..................................................................................... 3-5
Link Reliability ................................................................................................................................. 3-5

Table of Contents

i April 30, 2013