HP E2465A PowerPC 604 PGA Manuale utente

HP E2465A PowerPC 604 PGA

Preprocessor

Interface

User's Guide

Publication Number E2465-97001

First Edition, October 1996

For

SafetyInformation, Warranties,

and

Regulatory Information,

see

the

pages

the

end

ofthis manual.

Company

1996

All

Rights Reserved.

HP E2465A PowerPC 604 PGA

PreprocessorInterface

The HP E2465A Preprocessor Interface -

At a Glance

The HP E2465A Preprocessor Interface provides a complete interface

for state or timing analysis

between

any

PowerPC 604 PGA target

system and

the

following HP logic analyzers:

• HP l 660A/ASIC/CS

• HP 1670A/D

• HP 16550A (two

cards)

• HP 16554A (two

three

cards)

• HP 16555A/D (two

three

cards)

• HP 16556A/D (two

three

cards)

The preprocessorinterface provides

the

physical connection between

the

target microprocessor and

the

logic analyzer. The configuration

software

the

flexible disk sets

the

logic analyzer for

compatibilitywith

the

preprocessor interface. The inverse assembler

allows you to obtain displays

the

microprocessor operations

PowerPC 604 mnemonics.

For

additional information on

the

supported

logic analyzers

microprocessors, refer

the

appropriate

reference

manuals for those

products.

E2465A PowerPC

604

PGA

Preprocessor

Introduction

E2465A

Preprocessor Interface

E2465A PowerPC 604 PGA

Preprocessor

Ill

In This Book

This book is

the

user's guide for the HP E2465A Preprocessor Interface. It

assumes that you have a working knowledge of

the

logic analyzer used

and

the

microprocessor being analyzed.

This user's guide is organized into three chapters:

Chapter 1explains howto attach

the

preprocessor

the

target

system

and

logic analyzer, and how

load

the

preprocessorinterface

software into thelogic analyzer.

Chapter 2 provides reference information on

the

format specification

and

symbols configured by

the

preprocessorinterface software, and

information about

the

inverse assemblers

and

status

encoding.

Chapter 3 contains referenceinformation on

the

preprocessor

interface hardware, including the characteristics

and

signal mapping

for

the

preprocessorinterface.

Appendix A contains information on troubleshooting problems or

difficulties which may occurwith the preprocessor interface.

Formore information on

the

logic analyzers or microprocessor, referto

the

appropriate referencemanualfor those products.

E2465A PowerPC 604 PGA Preprocessor

Contents

The

HP E2465A

Preprocessor

Interface -

Glance

Setting

the

Preprocessor

Interface

Before You Begin

1-3

Connecting

the

Target

System

1-5

To power up or power down

1-5

To connect the preprocessor to the target system

1-6

Connecting

the

Logic Analyzer

1-8

To connect to the

660N

ASIC/CS

logic analyzers

1-8

To connect to the

1670A/D

logic analyzer 1-9

connect to the

16550A two-card analyzer 1-10

connect to the

16554/55/56 (two-card) 1-11

connect to the

16554/55/56 (three-card) 1-12

Configuring

the

Logic Analyzer

1-13

To load the configuration and inverse assembler 1-13

Connecting

the

JTAG signals

1-16

E2465A Power

604

PGA

Preprocessor v

Contents

2 Analyzing

the

PowerPC

604

Modes of Operation

2-3

State-per-ack

mode

2-3

State-per-clock mode 2-3

Timing mode

2-3

Format Menu

2-4

Trigger Menu

2-10

capture

address

2-11

change

the

trigger conditions 2-12

Excluding

tenure

from other bus masters 2-12

Capturing Isolated Addresses 2-13

Configuring for State-per-clockmode

2-13

Using

the

Inverse Assembler 2-14

select a different inverse assembler

2-14

display

captured

state data 2-15

Interpreting Data 2-16

Branch Instructions 2-16

Overfetch Marking 2-17

Little-Endian Mode 2-17

use

the

Invasmkey

2-18

use

the

Invasm Options key 2-18

Show/Suppress 2-19

Code Synchronization 2-20

Done Field

2-23

Disabling

the

Instruction Cache on

the

PowerPC

2-24

vi E2465A Power

604 PGA Preprocessor

Preprocessor

Interface

Hardware

Reference

Operating characteristics

3-3

Signal line loading

3-4

Theory of operation

3-5

Target Mastership Of Data/Address Bus

3-5

Normal Mode

Vs.

Fast-12 Mode Of Operation

3-5

Direct Store Mode

3-5

Signal-to-Connector Mapping

3-6

Circuit boarddimensions 3-13

Repair Strategy 3-14

E2465A Power PC 604 PGA Preprocessor

Contents

vii

Contents

You Have a Problem

Analyzer

Problems

A-3

Intermittent data errors A-3

Unwanted triggers A-3

activity on activity indicators

A-4

trace

list display A-4

Preprocessor

Problems

A-5

Target systemwill

not

boot up

A-5

Erratic trace measurements A-6

Capacitive loading A-6

Inverse

Assembler

Problems

A-8

inverse assembly orincorrectinverse assembly

A-8

Inverse assembler

will

not load or

run

A-9

Intermodule

Measurement

Problems

A-10

event wasn't captured by one

the

modules A-10

Messages

A-11

...

Inverse Assembler Not Found" A-11

"Measurement Initialization Error" A-12

"No Configuration File Loaded" A-13

"Selected File

Incompatible" A-13

"Slow or Missing Clock" A-13

"Time from Arm Greater Than 41.93 ms" A-14

"Waiting for Trigger" A-14

viii E2465A Power PC 604 PGA Preprocessor

Setting Up

the

Preprocessor

Interlace

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