MC141555P1中文資料摩托羅拉數(shù)據(jù)手冊PDF規(guī)格書

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/self powered 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.

Features Highlight

Hub

? Self-contained Hub Includes Serial Interface Engine (SIE), Hub Repeater and Hub Controller

? Universal Serial Bus (USB) Version 1.0 Compliant

? Self-powered or Bus-powered

? Individual/Ganged Downstream Port Power Switching

? Individual/Ganged Downstream Port Overcurrent Detection

? All Downstream Ports Support Full Speed and Low Speed Operation

? Suspend and Resume Operations

? Host Reset Operation

General Characteristics

? 28 DIP Package

? Crystal Input 24MHz

? Internal 3.3Volt Regulator

? Single 5Volt Power Supply

? Low-power CMOS Technology