Datasheet > PC87373

PC87373

更新时间： 2024-11-10 22:44:31

品牌	Logo	应用领域
美国国家半导体 - NSC		PC
页数	文件大小	规格书
174页	2123K
描述
LPC SuperI/O with Glue Functions

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PC87373 数据手册

Preliminary

October 2002

Revision 1.1

PC87373

LPC SuperI/O with Glue Functions

The PC87373 extended wake-up support complements the

ACPI controller in the chipset. The System Wake-Up Control

(SWC) module, powered by V_SB3, supports a flexible wake-

up mechanism.

General Description

The National Semiconductor^®PC87373 Advanced I/O prod-

uct is a member of the PC8737x SuperI/O family. All

PC8737x devices are highly integrated and are pin and soft-

ware compatible, thus providing drop-in interchangeability

and enabling a variety of assembly options using only a sin-

gle motherboard and BIOS.

There are 13 General-Purpose Input/Output (GPIO) ports;

these allow system control and wake-up on system events.

Outstanding Features

PC87373 integration allows for a smaller system board size and

saves on total system cost.

ꢀ Legacy modules: Parallel Port, Floppy Disk Controller

(FDC), two Serial Ports, Keyboard and Mouse Control-

ler (KBC), Game Port and MIDI Port

The PC87373 includes legacy SuperI/O functions, system

glue functions, fan monitoring and control, commonly used

functions such as GPIO, and ACPI-compliant Power Man-

agement support.

ꢀ Glue functions to complement the South Bridge func-

tionality

The PC87373 integrates miscellaneous analog and digital

system glue functions to reduce the number of discrete

components required. The host communicates with the

functions integrated in the PC87373 device through an LPC

Bus Interface.

ꢀ Fan Speed monitoring and control of three fans

ꢀ V_SB3-powered Power Management with 20 wake-up

sources

ꢀ Controls three LED indicators

The PC87373 Legacy functions are: two serial ports, a fully

compliant IEEE 1284 Parallel Port, a Floppy Disk Controller

(FDC), a Keyboard/Mouse Controller (KBC), a Game Port

and a MIDI Port.

ꢀ 13 GPIO ports with a variety of wake-up options

ꢀ LPC interface, based on Intel’s LPC Interface Specifica-

tion Revision 1.0, September 29th, 1997

ꢀ PC01 Revision 1.0 and Advanced Configuration and Pow-

er Interface (ACPI) Specification Revision 2.0 compliant

The Fan Speed Control and Monitor (FSCM) module allows

the system to monitor and control three fans.

ꢀ 128-pin PQFP package

Block Diagram

Parallel

Port

Interface

Floppy

Drive

Interface

KBC

Ports

LPC Serial

Interface IRQ

PS/2

Interfaces

MIDI Joystick Serial

Serial

Interface

14.31818 MHz

Interface Interface Interface

IEEE 1284

Parallel

Port

Floppy

Disk

Controller

Keyboard

& Mouse

Controller

V_DD3

LPC Bus

Interface

Game

Port

Serial

Port 1

Serial

Port 2

Clock

Generator

MIDI

Port

48 MHz

Internal Bus

V_SB3

Fan Speed

Control and

Monitor

System

Wake-Up

Control

PnP

Glue

Functions

Configuration

GPIO Ports

Registers

Wake-Up

Events

I/O

Ports

Miscellaneous

I/O

PME

LEDs

Tachometer

PWM

Inputs Outputs

32.768 KHz

V_BAT

National Semiconductor is a registered trademark of National Semiconductor Corporation. All other brand or product names are trademarks or registered trade-

marks of their respective holders.

www.national.com

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与PC87373相关器件

型号	品牌	获取价格	描述	数据表
PC87381-VBH	WINBOND	获取价格	Multifunction Peripheral, CMOS, PQFP48, PLASTIC, LQFP-48
PC87381-VBH	TI	获取价格	MULTIFUNCTION PERIPHERAL, PQFP48, PLASTIC, LQFP-48
PC87381-VBH/NOPB	WINBOND	获取价格	Multifunction Peripheral, CMOS, PQFP48, PLASTIC, LQFP-48
PC87382	NSC	获取价格	LPC-to-LPC Switch for Docking Stations, with Fast Infrared Port, Serial Port and GPIOs
PC87382DG/K1	WINBOND	获取价格	Micro Peripheral IC,
PC87382-VBH	NSC	获取价格	LPC-to-LPC Switch for Docking Stations, with Fast Infrared Port, Serial Port and GPIOs
PC87382-VBH/NOPB	WINBOND	获取价格	Microprocessor Circuit, CMOS, PQFP48, PLASTIC, LQFP-48
PC87383	NSC	获取价格	Legacy-Reduced SuperI/O with Fast Infrared Port, Serial Port, Parallel Port and GPIOs for
PC87383-VS	NSC	获取价格	Legacy-Reduced SuperI/O with Fast Infrared Port, Serial Port, Parallel Port and GPIOs for
PC87384	WINBOND	获取价格	Micro Peripheral IC,

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