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MILLENNJUM INFORMATION SYSTEMS ,INC.
UNIVERSAL ONE
Microco~er
Development System
Hardware Reference Manual
UNIVERSAL ONE
Microcom:pJlter
Development System
Hardware Reference Manual
Document No. U01-0000-11
Issued. Dec. 1976
MILLENNIUM INFORMATION SYSTEMS, INC.
420 MATHEW STREET, SANTA CLARA, CA 95050,408-243-6652
TABLE OF CONTENTS
Chapter 1 INTRODUCTION Page
1.0 Universal One System 1-1
1.1 Computer Components . . 1-2
1.2 Development Software 1-5
1.3 Universal Emulator . . . . . 1-6
1.4 Universal Emulator Software. 1-8
1.5 Purpose of this Manual 1-8
1.6 Manual Contents .. .... 1-8
Chapter 2 DEVELOPMENT COMPUTER DESCRIPTION Page
2.0 Computer Architecture 2-1
2.1 Memory Organization . . 2-2
2.2 Bus Structure . . . . 2-4
2.3 Debug Hardware 2-6
2.4 I/O Provisions 2-10
2.5 Development Computer Subassemblies 2-10
2.5.1 Master CPU Module . . . . . . . . . . 2-11
2.5.2 Slave CPU and Emulation Interface 2-11
2.5.3 Debug and Front Panel I/O Module 2-12
2.5.4 Master Memory . . . . . 2-13
2.5.5 Slave Memory . . . . . . . 2-13
2.5.6 4K RAM/2K PROM Module . . . . . . . . 2-14
2.5.7 16K Dynamic RAM Module 2-14
2.5.8 General Purpose I/O Module 2-15
2.5.9 PROM Programmer Modules . . 2-15
2.5.10 Hardware Analyzer Module 2-16
2.5.11 Emulation Cable . . . . 2-17
Chapter 3 MASTER CPU MODULE Page
3.0 Introduction 3-1
3.1 General Description 3-1
3.1.1 The CPU .... 3-2
3.1. 2 I/O Logic 3-2
3.1.2 Interrupt Logic . . 3-4
3.1.4 DMA Logic . . . . 3-4
3.2 Detailed Description . . . . 3-5
3.2.1 2650 CPU Support 3-5
3.2.2 I/O Logic ..... 3-8
3.2.3 Interrupt Logic . . . 3-14
3.2.4 DMA Logic ...... . 3-14
3.2.5 Baud Rate and Timer Logic 3-18
3.3 Utilization ....... . 3-18
3.3.1 Installation . . . . . . 3-18
3.3.2 Switch and Jumper Options 3-22
3.3.3 Interface and Connector Pinouts . 3-22
-i-
TABLE OF CONTENTS (Continued)
Chapter 4 DEBUG AND FRONT PANEL I/O MODULE Page
4.0 Introduction
4.1 General Description