Datasheet > PC87391

PC87391

更新时间： 2024-09-16 22:44:31

品牌	Logo	应用领域
美国国家半导体 - NSC		便携式 PC
页数	文件大小	规格书
148页	1605K
描述
100-Pin LPC SuperI/O Devices for Portable Applications

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PC87391 数据手册

PRELIMINARY

September 2000

Revision 1.41

PC87391, PC87392, PC87393, PC87393F

100-Pin LPC SuperI/O Devices for Portable Applications

General Description

Outstanding Features

●

National Semiconductor’s PC8739x family of LPC SuperI/O

devices is targeted for a wide range of portable applications.

PC99 and ACPI compliant, the PC8739x family features

an X-Bus Extension for read and write operations over the

X-Bus, a full IEEE 1284 Parallel Port with a Parallel Port Mul-

tiplexer (PPM) for external Floppy Disk Drive (FDD) support,

a Musical Instrument Digital Interface (MIDI) port, and a

Game port. Like all National LPC SuperI/O devices, the

PC8739x offers a single-chip solution to the most commonly

used PC I/O peripherals.

X-Bus Extension for read and write operations

●

LPC bus interface, based on Intel’s LPC Interface Spec-

ification Rev. 1.01, February 1999 (supports CLKRUN

and LPCPD signals) and Intel FWH transactions

●

PC99 and ACPI compliant

●

Serial IRQ support (15 options)

●

Interrupt Serializer (four Parallel IRQs to Serial IRQ)

●

PPM for external FDD signal support

●

The PC8739x family also incorporates: a Floppy Disk Con-

troller (FDC), two enhanced Serial Ports (UARTs), one with

Fast Infrared (FIR, IrDA 1.1 compliant), General-Purpose

Input/Output (GPIO) support for a total of 32 ports, Interrupt

Serializer for Parallel IRQs and an enhanced WATCH-

DOG timer.

MIDI interface compatible with MPU-401 UART mode

●

Game port inputs for up to two joysticks

●

Protection features, including GPIO lock and pin con-

ﬁguration lock

●

32 GPIO ports (16 standard, 16 with Assert IRQ/SMI)

The following features apply to the PC87393F. The feature

lists for other PC8739x devices may differ. See the table on

page 3 for a list of features for each device.

●

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

bus pins)

●

100-pin TQFP Package

Block Diagram

Parallel Port\

Floppy Drive Interface

PC87393 / PC87393F

Parallel

IRQs

Serial

LPC

Interface IRQ

PPM

Floppy Drive

Interface

I/O

Ports

Serial

Interface

Infrared

Interface Interface

Serial

SMI

Bus

Interface

Serial Port 2

with FIR

Interrupt

Serializer

IEEE 1284

Parallel Port

Floppy Disk

Controller

Serial Port 1

GPIO Ports

V_DD

WATCHDOG

Wake-Up

Control

X-Bus

Extension

MIDI Port

Game Port

Timer

MIDI

Interface

X-Bus Interface

Game Device

Interface

WDO

PWUREQ

National Semiconductor is a registered trademark of National Semiconductor Corporation.

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

www.national.com

12 3 4 5 6 7...148

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与PC87391相关器件

型号	品牌	获取价格	描述	数据表
PC87391-VJG	NSC	获取价格	100-Pin LPC SuperI/O Devices for Portable Applications
PC87392	NSC	获取价格	100-Pin LPC SuperI/O Devices for Portable Applications
PC87392-VJG	NSC	获取价格	100-Pin LPC SuperI/O Devices for Portable Applications
PC87393	NSC	获取价格	100-Pin LPC SuperI/O Devices for Portable Applications
PC87393F	NSC	获取价格	100-Pin LPC SuperI/O Devices for Portable Applications
PC87393F-VJG	NSC	获取价格	100-Pin LPC SuperI/O Devices for Portable Applications
PC87393-VJG	NSC	获取价格	100-Pin LPC SuperI/O Devices for Portable Applications
PC87410	NSC	获取价格	PC87410 PCI-IDE Interface Controller
PC87410VLK	NSC	获取价格	PC87410 PCI-IDE Interface Controller
PC87413	NSC	获取价格	LPC ServerI/O for Servers and Workstations

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