PC97338VLJ datasheet(1/221 Pages) NSC

部件名	PC97338VLJ

功能描述	ACPI 1.0 and PC98/99 Compliant SuperI/O

PDF	221 Pages

Scroll/Zoom	100%

制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

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Block Diagram

Configuration

Registers

Floppy Disk

Controller (FDC)

with

Digital Data

Separator (DDS)

(Enhanced 8477)

High Current Driver

Power-

Down

Logic

Plug and Play

Support

Micro-

Data and

Control

Floppy

Drive

Interface

IRQ

Data

Handshake

Configuration Input

Serial Interface

Serial

Interrupt

and DMA

SCC2

(16550 UART +

SCC1

(16550 UART)

Floppy

Drive

Interface

IEEE1284

Control

Parallel Port

Interface

Fast IR

Interface

DMA

IRQ Input

General

Chip Select

CS1,0

Channels

Signals

INFRARED)

Address

processor

General Description

The PC97338 is a fully ACPI 1.0 and PC98/99 com-

pliant, ISA based Super I/O. It is functionally compat-

ible with the PC87338. It includes a Floppy Disk

Controller (FDC), two Serial Communication Control-

lers (SCC) for UART and Infrared support, one

IEEE1284 compatible Parallel Port, and two general

purpose Chip Select signals for game port support.

The device supports power management as well as

3.3V and 5V mixed operation making it particularly

suitable for notebook and sub-notebook applications.

The PC87338 and PC97338 are fully compliant to the

Plug and Play specifications included in the "Hard-

ware Design Guide for Microsoft Windows 95".

Differences between the PC87338 and PC97338 are

indicated in italics. These differences are summarized

in Appendix A.

Features

s Meets ACPI 1.0 and PC98/99 requirements

s Backward compatible with PC87338

s 100% compatibility with Plug and Play require-

ments specified in the “

Hardware Design Guide for

Microsoft Windows 95”, ISA, EISA, and Micro-

Channel architectures

s A special Plug and Play module includes:

— Flexible IRQs, DMAs and base addresses

— General Interrupt Requests (IRQs) that can be

multiplexed to the ten supported IRQs

November 1998

PC87338/PC97338

ACPI 1.0 and PC98/99 Compliant SuperI/O

TRI-STATE® is a registered trademark of National Semiconductor Corporation.

IBM®, MicroChannel®, PC-AT® and PS/2® are registered trademarks of International Business Machines Corporation.

Microsoft® and Windows® are registered trademarks of Microsoft Corporation.

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