INTEGRATED CIRCUITS PDIUSBH12 USB 2-port hub Product specification Supersedes data of 1999 Feb 25 1999 Jul 22 Philips Semiconductors Philips Semiconductors Product specification USB 2-port hub PDIUSBH12 FEATURES • Complies with the Universal Serial Bus specification Rev.
1.
0 • Complies with the ACPI, OnNOW, and USB power management requirements DESCRIPTION The Universal Serial Bus Hub PDIUSBH12 is a cost and feature optimized second generation USB Hub with 2 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 impl...

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