CY4602 Datasheet | Cypress

CY7C65640 CY7C65640 Tetra Hub™ High-speed USB Hub Controller Cypress Semiconductor Corporation Document #: 38-08019 Rev. - C - 3901 North First Street - San Jose, CA 95134 - 408-943-2600 Revised December 5, 2002 CY7C65640 TABLE OF CONTENTS 1.0 TETRAHUB™ Features ............................................................................................................. 4 2.0 INTRODUCTION ............................................................................................................................. 5 2.1 2.2 2.3 2.4 2.5 Tetra Hub Architecture ................................................................................................................ 5 USB Serial Interface Engine (SIE) ............................................................................................. 5 Hub Controller ............................................................................................................................ 6 Hub Repeater ............................................................................................................................. 6 Transaction Translator ............................................................................................................... 6 3.0 APPLICATIONS .............................................................................................................................. 6 4.0 FUNCTIONAL OVERVIEW ............................................................................................................. 6 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 System Initialization ................................................................................................................... 6 Enumeration ............................................................................................................................... 7 Multiple Transaction Translator Support .................................................................................... 7 Downstream Ports ..............................