Contents

CHAPTER 1 BOARD LEVEL HARDWARE DESCRIPTION

 

Introduction

1-1

Overview

1-1

Requirements

1-2

Features

1-3

Block Diagram

1-4

Functional Description

1-6

Front Panel Switches and Indicators

1-6

Data Bus Structure

1-7

MC88110 MPU

1-7

BOOT ROM

1-7

Flash Memory

1-7

Onboard DRAM

1-7

Battery Backup RAM and Clock

1-8

VMEbus Interface

1-8

I/O Interfaces

1-8

Serial Port Interface

1-8

Printer Interface

1-9

Ethernet Interface

1-9

SCSI Interface

1-10

SCSI Termination

1-10

Peripheral Resources

1-11

Programmable Tick Timers

1-11

Watchdog Timer

1-11

Software-Programmable Hardware Interrupts

1-11

Processor Bus Timeout

1-11

Local Peripheral Bus Timeout

1-11

Interrupt Sources

1-12

Connectors

1-12

Memory Maps

1-12

Processor Bus Memory Map

1-12

VMEbus Memory Map

1-15

VMEbus Accesses to the Local Peripheral Bus

1-15

VMEbus Short I/O Memory Map

1-15

ix

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Motorola MVME197LE manual Contents