CY7C65631-56LTXI

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1. Describe

EZ-USB HX2LP Lite™ is Cypress's next-generation family of high-performance, low-power USB 2.0 hub controllers. HX2LP Lite is an ultra-low power single-chip USB 2.0 hub controller with integrated upstream and downstream transceivers, USB serial interface engine (SIE), USB hub control and repeater logic, and transaction translator (TT) logic. Cypress also integrates a number of external passive components, such as pull-up and pull-down resistors, reducing the overall bill of materials required to implement a hub design. The HX2LP portfolio includes: CY7C65631: 4-Port/Single-Transaction Translator This device option is suitable for ultra-low-power applications requiring four downstream ports. All four ports share a single transaction converter. CY7C65631 is available in a 56 QFN package and is also pin-for-pin compatible with CY7C65640.

2. Feature

    1. USB 2.0 hub controller

    2. Automotive and industrial grade options (–40 °C to 85 °C)

    3. Conforms to the USB 2.0 specification

    4. USB-IF certification: TID# 30000009

    5. Windows Hardware Quality Labs (WHQL) compliant

    6. Supports up to four downstream ports

    7. Supports bus-powered and self-powered modes

    8. Single Transaction Translator (TT)

    9. Bus power configuration

  10. Fit, form, and function identical to CY7C65640 and CY7C65640A (TetraHub™)

  11. Space-saving 56-pin QFN

  12. Single power supply requirement

        - Internal regulator for reduced cost

  13. Integrated upstream pull-up resistor

  14. Integrated pull-down resistors for all downstream ports

  15. Integrated upstream and downstream termination resistors

  16. Integrated port status indicator control

  17. 24 MHz external crystal oscillator (integrated phase-locked loop (PLL))

  18. Programming in system EEPROM

  19. Configurable External SPI EEPROM:

        - Vendor ID, Product ID, Device ID (VID/PID/DID)

        - Number of active ports

        - Number of removable ports

        - Maximum power settings for high speed and full speed

        - Hub Controller Power Settings

        - Power On Timer

        - Overcurrent detection mode

        - Enabling and disabling the overcurrent timer

        - Overcurrent Pin Polarity

        - Indicating pin polarity

        - Compound device

        - Enable full speed only

        - Disable Port LEDs

        - Linkage power switch

        - Self-powered and bus-powered compatibility

        - Fully configurable string descriptors, supporting multiple languages

3. Application

    1. Standalone hub

    2. Motherboard hub

    3. Monitoring center

    4. Advanced Port Replicator

    5. Docking station

    6. Separate PC design

    7. External personal storage drives

    8. Keyboard hub