Table of Contents

Contents

Page

USS-344 QuadraBus

Advance Data Sheet, Rev. 9

Four-Host PCI-to-USB OpenHCI Host Controller

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