Datasheet > PC87382

PC87382

更新时间： 2024-11-06 22:44:31

品牌	Logo	应用领域
美国国家半导体 - NSC		开关 PC
页数	文件大小	规格书
72页	783K
描述
LPC-to-LPC Switch for Docking Stations, with Fast Infrared Port, Serial Port and GPIOs

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PC87382 数据手册

December 2003

Revision 1.2

PC87382

LPC-to-LPC Switch for Docking Stations, with Fast

Infrared Port, Serial Port and GPIOs

General Description

Outstanding Features

ꢀ

The PC87382, a member of the National Semiconductor LPC

SuperI/O family, is targeted for a wide range of portable ap-

plications. The PC87382 is PC2001 and ACPI compliant, and

features an LPC-to-LPC Switch with hot plugability, Fast In-

frared port (FIR, IrDA 1.1 compliant), Serial Port, and Gener-

al-Purpose Input/Output (GPIO) support for a total of eight

ports.

LPC-to-LPC Switch with hot plugability, enables LPC

devices in the Docking Station to be connected to the

Main LPC Bus, thus reducing the number of signals re-

quired through the Docking Station connector

ꢀ

LPC bus interface, based on Intel’s LPC Interface

Speciﬁcation Revision 1.1, August 2002 (supports

CLKRUN signal)

ꢀ

The PC87382 enables glueless implementation of an LPC-

to-LPC Switch between the motherboard LPC bus and the

Docking Station, and supports hot insertion and hot removal.

Fast Infrared port

ꢀ

PC2001 and ACPI Revision 2.0 compliant

ꢀ

Serial IRQ support (15 options)

ꢀ

Protection features, including GPIO lock and pin con-

ﬁguration lock

ꢀ

Eight GPIO ports, including with “assert IRQ” capability

ꢀ

XOR Tree and TRI-STATE device pins (or ICT) test-

ability modes.

ꢀ

5V tolerant and back-drive protected pins (except LPC

bus pins)

ꢀ

48-pin LQFP package

System Block Diagram

Docking

Station

Portable

Platform

I/O

Ports

South Bridge

LPC Bus

Docking LPC Bus

PC87382

DCLKOUT

Docking

SIO

Embedded

Controller

TPM

Serial

Infrared

Interface Interface

National Semiconductor and TRI-STATE are registered trademarks of National Semiconductor Corporation.

All other brand or product names are trademarks or registered trademarks of their respective holders.

www.national.com

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