National Instruments PC-TIO-10 Manual de usuario

PC-TIO-10

User Manual

Timing I/O Board for the PC

July 1993 Edition

Part Number 320292-01

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Limited Warranty

The PC-TIO-10 is warranted against defects in materials and workmanship for a period of one year from the date of

shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace

equipment that proves to be defective during the warranty period. This warranty includes parts and labor.

The media on which you receive National Instruments software are warranted not to fail to execute programming

instructions, due to defects in materials and workmanship, for a period of 90 days from date of shipment, as

evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace software

media that do not execute programming instructions if National Instruments receives notice of such defects during

the warranty period. National Instruments does not warrant that the operation of the software shall be uninterrupted

or error free.

A Return Material Authorization (RMA) number must be obtained from the factory and clearly marked on the

outside of the package before any equipment will be accepted for warranty work. National Instruments will pay the

shipping costs of returning to the owner parts which are covered by warranty.

National Instruments believes that the information in this manual is accurate. The document has been carefully

reviewed for technical accuracy. In the event that technical or typographical errors exist, National Instruments

reserves the right to make changes to subsequent editions of this document without prior notice to holders of this

edition. The reader should consult National Instruments if errors are suspected. In no event shall National

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OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT

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owner's failure to follow the National Instruments installation, operation, or maintenance instructions; owner's

modification of the product; owner's abuse, misuse, or negligent acts; and power failure or surges, fire, flood,

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Trademarks

LabVIEW©, LabWindows®, and NI-DAQ™are trademarks of National Instruments Corporation.

Product and company names listed are trademarks or trade names of their respective companies.

WARNING REGARDING MEDICAL AND CLINICAL USE

OF NATIONAL INSTRUMENTS PRODUCTS

National Instruments products are not designed with components and testing intended to ensure a level of reliability

suitable for use in treatment and diagnosis of humans. Applications of National Instruments products involving

medical or clinical treatment can create a potential for accidental injury caused by product failure, or by errors on the

part of the user or application designer. Any use or application of National Instruments products for or involving

medical or clinical treatment must be performed by properly trained and qualified medical personnel, and all

traditional medical safeguards, equipment, and procedures that are appropriate in the particular situation to prevent

serious injury or death should always continue to be used when National Instruments products are being used.

National Instruments products are NOT intended to be a substitute for any form of established process, procedure, or

equipment used to monitor or safeguard human health and safety in medical or clinical treatment.

Preface

Introduction to the PC-TIO-10

This manual describes the mechanical and electrical aspects of the PC-TIO-10 and contains

information concerning its operation and programming. The PC-TIO-10 is a timing and digital

I/O interface for the PC. Two Advanced Micro Devices (AMD) Am9513A System Timing

Controllers (STCs) are used for the timing interface. With these chips, which feature many

different timing and counting modes, the PC-TIO-10 can perform a wide range of pulse

measurement and wave generation functions. A Motorola MC6821 Peripheral Interface Adapter

(PIA) is used for the digital I/O interface; each of the two 8-bit I/O ports is bit-configurable. In

addition, the PC-TIO-10 has two edge-sensitive interrupt inputs with programmable edge

selection. Any external transistor-transistor logic (TTL) signal, including any of the counter

outputs, can be connected to these interrupt inputs.

This manual describes installation, theory of operation, and basic programming considerations

for the PC-TIO-10. The example programs included are written in C and assembly language.

Organization of This Manual

This manual is divided into the following chapters and appendixes:

• Chapter 1, Introduction, describes the PC-TIO-10, lists the contents of your PC-TIO-10 kit,

lists the optional software and equipment for use with the PC-TIO-10, and explains how to

unpack the PC-TIO-10 kit.

• Chapter 2, Configuration and Installation, describes the PC-TIO-10 jumper configurations,

installation of the PC-TIO-10 board in your computer, signal connections to the PC-TIO-10

board, and cabling instructions.

• Chapter 3, Theory of Operation, explains the basic operation of the PC-TIO-10 circuitry.

• Chapter 4, Programming, describes in detail the address and function of each of the

PC-TIO-10 control and status registers. This chapter also includes important information

about programming the PC-TIO-10.

• Appendix A, Specifications, lists the specifications of the PC-TIO-10.

• Appendix B, I/O Connector, describes the pinout and signal names for the I/O connector on

the PC-TIO-10.

• Appendix C, AMD Am9513A Data Sheet,contains the manufacturer data sheet for the AMD

Am9513A integrated circuit. This circuit is used on the PC-TIO-10 board.

• Appendix D, Motorola MC6821 Data Sheet,contains the manufacturer data sheet for the

Motorola MC6821 integrated circuit. This circuit is used on the PC-TIO-10 board.

• Appendix E, Switch Settings, lists the possible switch settings, the corresponding base I/O

address, and the base I/O address space used for that setting.

Preface

PC-TIO-10 User Manual vi © National Instruments Corporation

• Appendix F, Customer Communication,contains forms for you to complete to facilitate

communication with National Instruments concerning our products.

• The Index alphabetically lists topics covered in this manual, including the page where the

topic can be found.

Conventions Used in This Manual

The following conventions are used throughout this manual:

italic Italic text denotes emphasis, a cross reference, or an introduction to a key

concept.

monospace Lowercase text in this font denotes text or characters that are to be literally

input from the keyboard, sections of code, programming examples, and

syntax examples. This font is also used for the proper names of disk

drives, paths, directories, programs, subprograms, subroutines, device

names, functions, variables, filenames, and extensions, and for statements

and comments taken from program code.

NI-DAQ NI-DAQ is used throughout this manual to refer to the NI-DAQ software

for DOS/Windows/LabWindows unless otherwise noted.

PC PC refers to the IBM PC/XT, the IBM PC AT, and compatible computers,

as well as EISA personal computers.

Abbreviations

The following metric system prefixes are used with abbreviations for units of measure:

Prefix Meaning Value

n- nano- 10-9

µ- micro- 10-6

m- milli- 10-3

k- kilo- 103

M- mega- 106

The following accepted abbreviations are used in this manual:

A amperes

C Celsius

°degrees

hex hexadecimal

Hz hertz

Preface

Abbreviations (continued)

in. inches

Iout ouput current

m meters

% percent

sec seconds

V volts

VEXT external volt

VIH volts, input high

VIL volts, input low

Vin volts in

Acronyms

The following acronyms are used in this manual:

AMD Advanced Micro Devices

AWG American Wire Gauge

BCD binary-coded decimal

DMA direct memory access

EISA Extended Industry Standard Architecture

FSK frequency shift keying

ISA Industry Standard Architecture

LSB least significant bit

MSB most significant bit

PIA Peripheral Interface Adapter

STC System Timing Controller

TTL transistor-transistor logic

VDC volts direct current

Related Documentation

The following documents contain information that you may find helpful as you read this manual:

•Am9513A/Am9513 System Timing Controller technical manual

•IBM Personal Computer XT Technical Reference manual

Preface

PC-TIO-10 User Manual viii © National Instruments Corporation

Customer Communication

National Instruments wants to receive your comments on our products and manuals. We are

interested in the applications you develop with our products, and we want to help if you have

problems with them. To make it easy for you to contact us, this manual contains comment and

configuration forms for you to complete. These forms are in Appendix B, Customer

Communication, at the end of this manual.

Contents

Chapter 1

Introduction ..........................................................................................................................1-1

What Your Kit Should Contain......................................................................................1-2

Optional Software ..........................................................................................................1-3

Optional Equipment .......................................................................................................1-3

Unpacking ......................................................................................................................1-4

Chapter 2

Configuration and Installation.......................................................................................2-1

Board Configuration ......................................................................................................2-1

Base I/O Address Settings..................................................................................2-2

Interrupt Level Selection....................................................................................2-4

Local Interrupt Selection....................................................................................2-5

Installation......................................................................................................................2-6

Signal Connections ........................................................................................................2-6

I/O Connector Pin Description...........................................................................2-6

Signal Connection Descriptions.........................................................................2-8

Timing Signal Connections................................................................................2-9

Digital I/O Signal Connections..........................................................................2-13

Power Connections ............................................................................................2-15

Cabling...........................................................................................................................2-15

Chapter 3

Theory of Operation ..........................................................................................................3-1

Data Transceivers...........................................................................................................3-2

PC I/O Channel Control Circuitry .................................................................................3-2

Am9513A System Timing Controller ...........................................................................3-2

MC6821 Peripheral Interface Adapter ..........................................................................3-2

Interrupt Control Circuitry.............................................................................................3-2

Timing and Digital I/O Connector.................................................................................3-3

Chapter 4

Programming........................................................................................................................4-1

Introduction....................................................................................................................4-1

Register Map..................................................................................................................4-2

Register Descriptions .....................................................................................................4-2

Am9513A Data Registers ......................................................................4-4

Am9513A Command Registers .............................................................4-5

Am9513A Status Registers ....................................................................4-6

MC6821 Data Registers.........................................................................4-8

MC6821 Control Registers ....................................................................4-9

Programming Considerations for the Am9513A STCs .................................................4-10

Contents

PC-TIO-10 User Manual x © National Instruments Corporation

Programming Example for the Am9513A STCs ...........................................................4-10

Interrupt Programming Example for the MC6821.........................................................4-13

Appendix A

Specifications........................................................................................................................A-1

I/O Connector Electrical Specifications.........................................................................A-1

I/O Signal Ratings..............................................................................................A-1

Input Signal Specifications ................................................................................A-1

Output Signal Specifications..............................................................................A-1

Operating Environment..................................................................................................A-2

Storage Environment......................................................................................................A-2

Physical Specifications ..................................................................................................A-2

Power Requirement (from PC I/O Channel)..................................................................A-2

Appendix B

I/O Connector.......................................................................................................................B-1

Appendix C

AMD Am9513A Data Sheet.............................................................................................C-1

Appendix D

Motorola MC6821 Data Sheet........................................................................................D-1

Appendix E

Switch Settings.....................................................................................................................E-1

Appendix F

Customer Communication...............................................................................................F-1

Index ..............................................................................................................................Index-1

Figures

Figure 1-1. PC-TIO-10 Interface Board ...............................................................................1-1

Figure 2-1. PC-TIO-10 Parts Locator Diagram....................................................................2-2

Figure 2-2. Example Base I/O Address Switch Settings ......................................................2-3

Figure 2-3. Interrupt Jumper Setting for IRQ5 (Factory Setting).........................................2-4

Figure 2-4. Interrupt Jumper Setting for Disabling Interrupts..............................................2-5

Figure 2-5. Local Interrupt Jumper Setting (Factory Setting) ..............................................2-5

Figure 2-6. PC-TIO-10 I/O Connector Pin Assignments .....................................................2-7

Figure 2-7. Event-Counting Application with External Switch Gating................................2-10

Figure 2-8. Frequency Measurement Application ................................................................2-11

Figure 2-9. Timing Signal Relationships..............................................................................2-12

Figure 2-10. Digital I/O Connections .....................................................................................2-14

Figure 3-1. PC-TIO-10 Block Diagram................................................................................3-1

Figure B-1. PC-TIO-10 I/O Connector .................................................................................B-1

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