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MOTOROLA
Freescale Semiconductor, Inc.
Order this document by MC141555
SEMICONDUCTOR TECHICAL DATA
Product Preview USB Hub Controller
CMOS
This device is a self-contained USB Hub which complies with USB Hub Specification Rev 1.0. This device is used to expand the USB ports of your PC system while needed. Because of its self-contained and bus-powered/selfpowered capability, it can hide the complexity from the user and be flexibly placed anywhere, such as monitor, keyboard, motherboard, Hub-box, etc. The MC141555 consists of Serial Interface Engine (SIE), Hub Repeater, and Hub Controller, supporting one upstream port and up to five downstream ports. Both Low Speed Mode (1.