
Table of Contents
Contents
Page
USS-344
QuadraBus
Four-Host PCI-to-USB OpenHCI Host Controller
Advance Data Sheet, Rev. 9
June 2001
2
Agere Systems Inc.
Features .................................................................................................................................................................. 1
Applications ............................................................................................................................................................. 1
Description ............................................................................................................................................................... 1
Applicable Documents and Specifications ............................................................................................................... 4
Pin Information ........................................................................................................................................................ 4
Register Overview ................................................................................................................................................... 8
PCI Registers ........................................................................................................................................................ 12
PCI Function 0—Single-Port USB Host Controller 0.......................................................................................12
PCI Function 1—Single-Port USB Host Controller 1.......................................................................................16
PCI Function 2—Single-Port USB Host Controller 2.......................................................................................20
PCI Function 3—Single-Port USB Host Controller 3.......................................................................................24
USB Registers ....................................................................................................................................................... 28
Legacy Support Registers ..................................................................................................................................... 35
HceInput Register............................................................................................................................................35
HceOutput Register.........................................................................................................................................36
HceStatus Register..........................................................................................................................................36
HceControl Register ........................................................................................................................................37
Connection Instructions ......................................................................................................................................... 37
PCI Connection Instructions............................................................................................................................37
USB Connection Instructions...........................................................................................................................38
Test Mode Connection Instructions .................................................................................................................38
Legacy Configuration ............................................................................................................................................. 40
Power Connection Recommendations .................................................................................................................. 41
Power Management Interface ............................................................................................................................... 42
Configuration Space Offset 50h.......................................................................................................................43
Configuration Space Offset 51h.......................................................................................................................43
Configuration Space Offset 52h.......................................................................................................................44
Configuration Space Offset 54h.......................................................................................................................44
Configuration Space Offset 56h.......................................................................................................................45
Configuration Space Offset 57h.......................................................................................................................45
Power Consumption/Dissipation Reporting.....................................................................................................45
NAND Tree Mode .................................................................................................................................................. 46
Absolute Maximum Ratings ................................................................................................................................... 48
Electrical Characteristics ....................................................................................................................................... 49
PCI Electrical Characteristics ..........................................................................................................................49
USB Electrical Characteristics.........................................................................................................................52
Physical Markings .................................................................................................................................................. 53
Outline Diagram ..................................................................................................................................................... 53
128-Pin TQFP..................................................................................................................................................53
Ordering Information .............................................................................................................................................. 54