CY7C65621 CYPRESS [Cypress Semiconductor], CY7C65621 Datasheet - Page 3

• Manufacturer Part Number: CY7C65621
• Description: EZ-USB HX2LP Lite Low Power USB 2.0 Hub Controller Family
• Manufacturer: CYPRESS [Cypress Semiconductor]

Contents
Introduction .........................................................................4
Applications ........................................................................4
Functional Overview ..........................................................4
Pin Configuration ...............................................................7
Pin Description Table x ......................................................8
Default Descriptors ..........................................................10
Configuration Options .....................................................13
Document #: 001-52934 Rev. *C
USB Serial Interface Engine ..........................................4
Hub Repeater ................................................................4
Transaction Translator ..................................................4
System Initialization .......................................................4
Enumeration ..................................................................4
Downstream Ports .........................................................5
Upstream Port ...............................................................5
Power Switching ............................................................5
Overcurrent Detection ...................................................5
Port Indicators ...............................................................5
Device Descriptor ........................................................10
Configuration Descriptor ..............................................10
Interface Descriptor .....................................................11
Endpoint Descriptor .....................................................11
Device Qualifier Descriptor ..........................................11
Hub Descriptor ............................................................12
0xD0 Load ...................................................................13
0xD2 Load ...................................................................13
0xD4 Load ...................................................................14
Supported USB Requests ................................................17
Upstream USB Connection ..............................................20
Downstream USB Connections .......................................20
LED Connections ..............................................................20
System Block Diagram .....................................................21
Electrical Characteristics .................................................22
Ordering Information ........................................................23
Package Diagram ..............................................................24
Acronyms ..........................................................................25
Document Conventions ...................................................25
ocument History Page ......................................................26
Sales, Solutions, and Legal Information ........................27
Device Class Commands ............................................17
Hub Class Commands ................................................18
Absolute Maximum Ratings .........................................22
Operating Conditions ...................................................22
DC Electrical Characteristics .......................................22
USB Transceiver .........................................................22
AC Electrical Characteristics .......................................22
Ordering Code Defintions ............................................23
Units of Measure .........................................................25
Worldwide Sales and Design Support .........................27
Products ......................................................................27
PSoC
®
Solutions .........................................................27
CY7C65621/31
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