IBM 1 Series - Default Chapter; Table of Contents

Chapter 1. Introduction 1-1
Processor I/O Channel 1-2
Channel Repower Feature 1-2
Channel Socket Adapter Feature 1-2
I/O Attachment Features 1-2
Timer Feature 1-2
Teletypewriter Adapter Feature 1-3
Integrated Digital Input/Output (1/0) Nonisolated
Feature 1-3
Customer Direct Program Control (DPC) Adapter
Feature 1-3
Customer Access Panel (CAP) Feature 1-3
General Purpose Interface Bus Adapter Feature 1-3
Chapter 2. Processor I/O Channel 2-1
Introduction 2-1
Functional Description of I/O Channel Signal Lines 2-2
Signal Line Groups 2-3
Functional Subsets of the Signal Lines 2-4
Service Group Line Definitions 2-7
Poll Group Line Definitions 2-12
Processor I/O Channel Operational Characteristics 2-15
Operational Sequences on the Channel 2-15
DPC Sequence Description 2-19
Interrupt-Service Sequence Description 2-22
Cycle-Steal Service Sequence Description 2-24
Poll Sequence Description 2-27
Processor-Initiated IPL Sequence Description 2-33
Host-Initiated IPL Sequence Description 2-36
Reset Sequences Description 2-39
Design Considerations for Operational Sequences 2-39
Operational Power Considerations 2-48
Processor I/O Channel Electrical Characteristics 2-50
Channel Signal Line Electrical Characteristics 2-50
Driver/Receiver Information 2-53
Other Attachment Considerations 2-65
Power Supply Electrical Characteristics 2-66
Processor I/O Channel Physical Characteristics 2-66
Signal Pin and Cable Assignments 2-66
I/O Channel Physical Components Description 2-70
Sequence of Plugging Device Attachments 2-73
Processor I/O Channel Attachment Features 2-73
Channel Repower Feature 2-73
Socket Adapter Feature 2-77
Chapter 3. Timer Feature 3-1
Introduction 3-1
Relationship to Other Features 3-3
Application Summary 3-3
Functional Description of the External Timer Signal
Lines 3-6
Signal Line Considerations 3-7
Application Sequences 3-7
Interval Timer 3-7
Pulse Counter 3-8
Contents
Pulse Duration Counter 3-8
Timer Feature Operational Characteristics 3-8
Interrupts 3-8
Interrupt Presentation 3-9
Status After Power Transitions and Resets 3-9
Timer Feature Electrical Characteristics 3-10
Timer Feature Physical Characteristics 3-11
Signal Pin Assignments 3-11
Pin Assignments Showing Customer Access Panel (CAP)
Connections 3-12
Jumper Selections 3-12
Timer Feature Design Considerations 3-12
Wiring Practices 3-12
Application Notes 3-12
Chapter 4. Teletypewriter Adapter Feature 4-1
Introduction 4-1
Relationship to Other Features 4-4
Application Summary 4-4
Data Transmission 4-11
Initial Program Load 4-12
Teletypewriter Adapter Operational Characteristics 4-12
Types of Receive Operations 4-13
Interrupt Presentation 4-14
Commands That Initiate Receive and Transmit
Operations 4-15
Transmit Operations 4-16
Receive Operations 4-17
Read Control and Write Control 4-20
System-Related Characteristics 4-21
Teletypewriter Adapter Electrical Characteristics 4-22
Teletypewriter Adapter Communications Lines 4-22
Driver/Receiver Information 4-26
Power Supplies 4-28
Teletypewriter Adapter Physical Characteristics 4-29
Physical Description 4-29
Signal Pin Assignments 4-29
Teletypewriter Adapter Design Considerations 4-30
Teletypewriter Device Information 4-30
Cable Connection to the Teletypewriter Adapter 4-30
Customer Access Panel (CAP) Connections 4-33
Chapter 5. Integrated Digital Input/Output Feature 5-1
Introduction 5-1
Digital Input (DI) 5-1
Digital Output (DO) 5-4
Integrated Digital I/O Operational Characteristics 5-4
Digital Output Operation 5-4
Digital Input Operation 5-6
Integrated Digital I/O Electrical Characteristics 5-7
Digital Input (DI) Characteristics 5-7
Digital and ‘External Sync’ Input Specifications 5-7
Digital Output (DO) Characteristics 5-8
Digital and ‘Ready’ Output Specifications 5-9
Integrated Digital I/O Physical Characteristics 5-9
Signal Pin Assignments 5-9
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