High performance, low-power USB 2.0 Hub, optimized for low cost designs with minimum Bill-of-material USB 2.0 hub controller Compliant with USB 2.0 specification, TID# 30000060 Up to four downstream ports support Downstream ports are backward compatible with FS, LS Single transaction translator (TT) for low cost Very low power consumption Supports bus-powered and self-powered modes Auto switching between bus-powered and self-powered Single MCU with 2K ROM and 64 byte RAM Lowest power consumption Highly integrated solution for reduced BOM cost Internal regulator single power supply 5 V required Provision of connecting 3.3 V with external regulator Integrated upstream pull-up resistor Integrated pull-down resistors for all downstream ports Integrated upstream/downstream termination resistors Integrated port status indicator control 12 MHz +/500 ppm external crystal with drive level 600 μW (integrated PLL) clock input with optional 27/48 MHz oscillator clock input Internal power failure detection for ESD recovery Downstream port management Support individual and ganged mode power management Overcurrent detection Two port status indicators per downstream port Maximum configurability VID and PID are configurable through external EEPROM Number of ports, removable/non-removable ports are configurable through EEPROM and I/O pin configuration I/O pins can configure gang/individual mode power switching, reference clock source and polarity of power switch enable pin Configuration options also available through mask ROM Available in space saving 48-pin (7 x 7 mm) TQFP and 28-pin 5 x 5 mm) QFN packages Supports 0 °C to 70 °C temperature range
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