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.
5Mbps) and Full Sp...