PC87307VUL National Semiconductor, PC87307VUL Datasheet

PC87307VUL

Manufacturer Part Number

PC87307VUL

Description

PC87307/PC97307 Plug and Play Compatible and PC97 Compliant SuperI/O

Manufacturer

National Semiconductor

Datasheet

1.PC87307VUL.pdf (218 pages)

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PC87307/PC97307 Plug and Play Compatible and PC97

Compliant SuperI/O

Highlights

General Description

The PC87307/PC97307 (VUL) are functionally identical

parts that offer a single-chip solution to the most commonly

used ISA, EISA and MicroChannel

Plug and Play (PnP) compatible chip incorporates a Floppy

Disk Controller (FDC), a Keyboard and mouse Controller

(KBC), a Real-Time Clock (RTC), two fast full function

UARTs, Infrared (IR) support, a full IEEE 1284 parallel port,

three general purpose chip select signals that can be pro-

grammed for game port control, and a separate configura-

tion register set for each module. It also provides support for

power management (including a WATCHDOG timer) and

standard PC-AT address decoding for on-chip functions.

Data and

Control

Data and

(Logical Device 0)

Block Diagram

P Address

Controller (KBC)

Control

1998 National Semiconductor Corporation

TRI-STATE

IBM

Microsoft

Keyboard

, MicroChannel

Plug and Play

IRQ

(PnP)

Ports

and Windows

is a registered trademark of National Semiconductor Corporation.

Channels

DMA

, PC-AT

Power Management

(Logical Device 8)

are registered trademarks of Microsoft Corporation.

(Logical Device 2)

Real-Time Clock

(RTC and APC)

Logic

Control

and PS/2

Control

peripherals. This fully

are registered trademarks of International Business Machines Corporation.

High Current Driver

Data

(Logical Device 4)

Data

Parallel Port

IEEE1284

X-Bus

Handshake

Control

The Plug and Play (PnP) support in the device conforms to

the “ Plug and Play ISA Specification ” Version 1.0a, May 5,

1994.

The Infrared (IR) interface complies with the IrDA 1.0 SIR

and SHARP-IR standards, and supports all four basic pro-

tocols for Consumer-IR (TV-Remote) circuitry (RC-5, RC-5

extended, RECS80 and NEC).

Features

Interface

Serial

(Logical Devices 5 & 6)

100% compatible with Plug and Play requirements

specified in the “ Plug and Play ISA Specification ”, ISA,

EISA, and MicroChannel architectures

Meets PC97 requirements

(Logical Device 1)

Two UARTs + IR

(16550 or 16450)

Controller

Data and

Control

Mouse

Interface

Infrared

Interrupt

(Logical Device 7)

General Purpose

I/O Registers

I/O Ports

(Logical Device 3)

Separator (DDS)

Controller (FDC)

with Digital Data

Floppy Disk

(PC8477)

PRELIMINARY

March 1998

www.national.com

Floppy

Drive

Interface

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