pc87317vul National Semiconductor Corporation, pc87317vul Datasheet

pc87317vul

Manufacturer Part Number

pc87317vul

Description

Pc87317vul/pc97317vul Superi/o Plug And Play Compatible With Acpi Compliant Controller/extender

Manufacturer

National Semiconductor Corporation

Datasheet

1.PC87317VUL.pdf (272 pages)

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PC87317VUL/PC97317VUL SuperI/O Plug and Play

Compatible with ACPI Compliant Controller/Extender

Highlights

General Description

The PC87317VUL/PC97317VUL 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 conforms to the Plug

and Play ISA Specification Version 1.0a, May 5, 1994, and

meets specifications defined in the PC97 Hardware Design

Guide . It features a Controller/Extender that is fully compli-

ant with Advanced Configuration and Power Interface (AC-

PI) Revision 1.0 requirements.

Note: All references to the PC87317VUL in this document

also refer to the PC97317VUL, unless otherwise specified.

References which are applicable to the PC97317VUL only

are italicized.

The PC87317VUL incorporates: an advanced Real-Time

Clock (RTC) device that provides both RTC timekeeping and

Advanced Power Control (APC) functionality, a Floppy Disk

Controller (FDC), a Keyboard and Mouse Controller (KBC),

two enhanced Serial Ports (UARTs) with Infrared (IR) sup-

port, a full IEEE 1284 Parallel Port, 24 General-Purpose In-

put/Output (GPIO) bit ports, three general-purpose chip

select signals that can be programmed for game port control

and a separate configuration register set for each module.

Block Diagram

1998 National Semiconductor Corporation

TRI-STATE

IBM

Microsoft

(Logical Device 4)

Data Handshake

Plug and Play

IRQ

Parallel Port

IEEE 1284

(PnP)

, MicroChannel

Channels

DMA

and Windows

and WATCHDOG

(Logical Devices 0 & 1)

Interface

(Logical Devices 5)

Keyboard + Mouse

Serial

with IR (UART2)

Controller (KBC)

, PC-AT

Data and

Serial Port

Control

are registered trademarks of Microsoft Corporation.

Interface

Infrared

and PS/2

peripherals. This fully

are trademarks of National Semiconductor Corporation.

Ports

(Logical Devices 6)

are registered trademarks of International Business Machines Corporation.

Serial Port

(Logical Device 2)

Real-Time Clock

Interface

(RTC and APC)

(UART1)

Serial

- February 1998

Control

The PC87317VUL provides a LED drive output to comply

with PC97 speciﬁcations. The chip also provides support for

Power Management (PM), including a WATCHDOG timer,

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

The PC87317VUL Infrared (IR) interface complies with the

HP-SIR and SHARP-IR standards, and supports all four ba-

sic protocols for Consumer Remote Control circuitry (RC-5,

RC-5 extended, RECS80 and NEC).

Outstanding Features

Among the most advanced members of National Semicon-

ductor’s highly successful SuperI/O family, the PC87317VUL

offers:

General-Purpose I/O

Full compatibility with ACPI Revision 1.0 requirements

Compliancy with PC97 Hardware Design Guide speci-

ﬁcations, including PC97 LED support

Advanced RTC, including timekeeping and APC func-

tionality

24 GPIO bit ports

FDC, KBC, two enhanced UARTs, IR support, IEEE

1284 parallel port

(GPIO) Registers

(Logical Device 7)

Data

I/O Ports

X-Bus

Control

(Logical Device 3)

Controller (FDC)

Management (PM )

(Logical Device 8)

Floppy Drive

Floppy Disk

Interface

Power

Control

PRELIMINARY

February 1998

Data and

Control

P Address

www.national.com

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