CYUSB3328-88LTXI

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1. Description

HX3 is a family of USB 3.0 hub controllers compliant with the USB 3.0 specification revision 1.0. HX3 supports SuperSpeed (SS), Hi-Speed (HS), Full-Speed (FS), and Low-Speed (LS) on all the ports. It has integrated termination, pull-up, and pull-down resistors, and supports configuration options through pin-straps to reduce the overall BOM of the system.

2. Features

    1. USB-IF Certified Hub, TID# 330000060, 30000074

    2. Supports up to Four USB 3.0-Compliant DS ports

        - All ports support SS (5 Gbps), and are backward-compatible with HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps)

        - SS and USB 2.0 Link Power Management (LPM)

        - Dedicated Hi-Speed Transaction Translators (Multi-TT)

        - LED status indicators – suspend, SS, and USB 2.0 operation

    3. Shared Link™ for Embedded Applications

        - Each DS port can simultaneously connect to an embedded SS device and a removable USB 2.0 device

        - Enables up to eight device connections

    4. Enhanced Battery Charging

        - Each DS port complies with the USB Battery Charging v1.2 (BC v1.2) specification

        - Ghost Charge™: Each DS port can emulate a Dedicated Charging Port (DCP) when the host is not connected to the US port

        - Accessory Charger Adapter Dock (ACA-Dock): Enables charging and simultaneous data transfer for a smart phone or a tablet acting as a host compliant to BC v1.2

        - Apple charging supported on all DS ports

    5. Integrated ARM® Cortex™-M0 CPU

        - 16 KB RAM, 32 KB ROM

        - Configure GPIOs for overcurrent protection, power enable, and LEDs

        - Upgrade firmware using (a) I2C EEPROM or (b) an external I2C master

    6. Vendor-Command Support to Implement a USB-to-I2C Bridge

        - Firmware upgrade of an external ASSP connected to HX3 through USB

        - In-System Programming (ISP) of the EEPROM connected to HX3 through USB

    7. Extensive Configuration Support

        - Pin-strap configuration for the following functions:

           1. Vendor ID (VID)

           2. Charging support for each DS port

           3. Number of active ports

           4. Number of non-removable devices

           5. Ganged or individual power switch enables for DS ports

           6. Power switch polarity selection

        - Custom configuration modes supported with eFuse, I2C EEPROM, or I2C slave

           1. SS and USB 2.0 PHY parameters

           2. Product ID (PID)/VID, manufacturer, and product string descriptors

           3. Swap DP/DM signals for flexible PCB routing

    8. Software Features

        - Microsoft WHQL-certified for Windows XP/Vista/7/8/8.1

        - Compatible with Mac OS 10.9 and Linux kernel version 3.11

        - Customize configuration parameters with the easy-to-use Cypress’s“Blaster Plus” software tool

    9. Flexible Packaging Options

        - 68-pin QFN (8 × 8 × 1.0 mm)

        - 88-pin QFN (10 × 10 × 1.0 mm)

        - 100-ball BGA (6 × 6 × 1.0 mm)

        - Industrial temperature range (–40 °C to +85 °C)

3. Applications

    1. Standalone hubs

    2. PC and tablet motherboards

    3. Docking station

    4. Hand-held cradles

    5. Monitors

    6. Digital TVs

    7. Set-top boxes

    8. Printers

4. CPU

    1. System configuration and initialization

    2. Battery charge control

    3. Vendor specific commands for USB-to-I2C bridges

    4. String descriptor support

    5. Suspend status indicator

    6. Shared link support in embedded systems

5. Pin configuration