Please note that Cypress is an Infineon Technologies Company. The document following this cover page is marked as Cypress document as this is the company that originally developed the product. Please note that Infineon will continue to offer the product to new and existing customers as part of the Infineon product portfolio. Continuity of document content The fact that Infineon offers the following product as part of the Infineon product portfolio does not lead to any changes to this document. Future revisions will occur when appropriate, and any changes will be set out on the document history page. Continuity of ordering part numbers Infineon continues to support existing part numbers. Please continue to use the ordering part numbers listed in the datasheet for ordering. www.infineon.comCY7C65621/31 EZ-USB HX2LP Lite Low Power USB 2.0 Hub Controller Family EZ-USB HX2LP Lite Low Power USB 2.0 Hub Controller Family Integrated port status indicator control Features 24 MHz external crystal (integrated phase locked loop (PLL)) USB 2.0 hub controller In-system EEPROM programming Automotive and Industrial Grade option (40 C to 85 C) Configurable with external SPI EEPROM: Compliant with the USB 2.0 specification Vendor ID, Product ID, Device ID (VID/PID/DID) USB-IF certified: TID 30000009 Number of active ports Number of removable ports Windows Hardware Quality Lab (WHQL) compliant Maximum power setting for high speed and full speed Up to four downstream ports supported Hub controller power setting Supports bus powered and self powered modes Power on timer Single transaction translator (TT) Overcurrent detection mode Enabled and disabled overcurrent timer Bus power configurations Overcurrent pin polarity Fit, form, and function compatible with CY7C65640 and Indicator pin polarity CY7C65640A (TetraHub) Compound device Space saving 56-pin QFN Enable full speed only Single power supply requirement Disable port indicators Internal regulator for reduced cost Ganged power switching Self and bus powered compatibility Integrated upstream pull-up resistor Fully configurable string descriptors for multiple language Integrated pull-down resistors for all downstream ports support Integrated upstream and downstream termination resistors Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 001-52934 Rev. *J Revised May 28, 2019