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CY7C65640A-LTXCT Datasheet(PDF) 2 Page - Cypress Semiconductor |
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CY7C65640A-LTXCT Datasheet(HTML) 2 Page - Cypress Semiconductor |
2 / 25 page CY7C65640A Document Number: 38-08019 Rev. *N Page 2 of 25 Contents Introduction ....................................................................... 3 TetraHub Architecture ................................................. 3 USB Serial Interface Engine (SIE) .............................. 3 Hub Controller ............................................................. 3 Hub Repeater .............................................................. 3 Transaction Translator ................................................ 3 Applications ...................................................................... 3 Functional Overview ........................................................ 4 System Initialization ..................................................... 4 Enumeration ................................................................ 4 Multiple Transaction Translator Support ..................... 4 Downstream Ports ....................................................... 4 Upstream Port ............................................................. 4 Power Switching .......................................................... 4 Overcurrent Detection ................................................. 5 Port Indicators ............................................................. 5 Pin Configuration ............................................................. 6 Default Descriptors .......................................................... 9 Device Descriptor ........................................................ 9 Configuration Options ................................................... 12 Default – 0xD0 Load .................................................. 12 Configured – 0xD2 Load ........................................... 12 Supported USB Requests .............................................. 13 Device Class Commands .......................................... 13 Hub Class Commands .............................................. 14 Upstream USB Connection ............................................ 15 Downstream USB Connections ..................................... 16 LED Connections ............................................................ 16 Sample Schematic .......................................................... 17 Maximum Ratings ........................................................... 18 Operating Conditions ..................................................... 18 DC Electrical Characteristics ........................................ 18 AC Electrical Characteristics ........................................ 19 Ordering Information ...................................................... 20 Ordering Code Definitions ......................................... 20 Package Diagram ............................................................ 21 Quad Flat Package No Leads (QFN) Package Design Notes ..................................................... 22 Document History Page ................................................. 24 Sales, Solutions, and Legal Information ...................... 25 Worldwide Sales and Design Support ....................... 25 Products .................................................................... 25 PSoC Solutions ......................................................... 25 [+] Feedback |
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