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PDIUSBH11ANB

NXP

Universal Serial Bus Hub

INTEGRATED CIRCUITS PDIUSBH11A Universal Serial Bus Hub Product specification Supersedes data of 1998 Jun 04 1999 Jul 2...


PDIUSBH11ANB

NXP


Octopart Stock #: O-38700

Findchips Stock #: 38700-F

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Description
INTEGRATED CIRCUITS PDIUSBH11A Universal Serial Bus Hub Product specification Supersedes data of 1998 Jun 04 1999 Jul 22 Philips Semiconductors Philips Semiconductors Product specification Universal Serial Bus Hub PDIUSBH11A FEATURES • Complies with the Universal Serial Bus specification Rev. 1.0 • Complies with the ACPI, OnNOW, and USB pow
More View er management requirements DESCRIPTION The Universal Serial Bus Hub PDIUSBH11A is a cost and feature optimized second generation USB Hub with 4 downstream ports and 3 embedded functions (compound hub). It is normally used in any microcontroller-based system and communicates with the system microcontroller over the high speed I2C serial bus. This modular approach to implementing a hub and embedded functions allows the designer to choose the optimum system microcontroller from the available wide variety. This flexibility cuts down the development time, risks and costs by allowing the use of the existing architecture and the firmware investments. This results in the fastest way to develop the most cost-effective USB peripheral solutions that need hub functionality. The PDIUSBH11A is ideally suited for computer monitors, docking stations, keyboards and many other applications that use the I2C or the SMBUS based architecture. The PDIUSBH11A conforms to the USB specification Rev 1.0, I2C serial interface and the SMBUS specifications. It is fully compliant with the Human Interface Device Class and Monitor Control Class specifications. Its low suspend power consumption along with the programmable LazyClock output allows for easy implementation of equipment that is compliant to the ACPI, OnNow and USB power management requirements. The low operating power allows the implementation of the bus powered or the compound powered hub function. The PDIUSBH11A is fully backward compatible to the first generation PDIUSBH11 hardware and software. This allows an easy running change in the manufacturing line to realize the cost savings. In addition, it also incorporates the feature enhancements like SoftConnect™, GoodLink™, LazyClock, programmable clock output, lower frequency crystal oscillator, additional embedded functions and integration of termination resistors. All of these feature enhancements contribute to significant cost savings in the system implementation and at the same time ease the implementation of advanced USB functionality into the peripherals. • Compliant with USB Human Interface Devices and Monitor Control Class • Compliant with System Management Bus Specification Rev. 1.0 • Four downstream ports with per packet connectivity and auto speed detection • Supports up to 3 embedded functions • Integrated SIE (Serial Interface Engine), FIFO memory and transceivers • Automatic USB protocol handling • High speed slave I2C Interface (up to 1 Mbit/s) • Compatible






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