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DMC11 IPL
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Digital Equipment DMC11 IPL User Manual
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Contents (Cont)
Introduction
Scope
Dmcl I GENERAL DESCRIPTION
Dmcl 1 SYSTEM OPERATION
Command Structure
Base in Command
Buffer Address in Command
Buffer Address out Command
Installation
Scope
Unpacking and Inspection
Mechanical Packaging
Pre-Installation Considerations
Configuration Considerations
Microprocessor/Line Unit Options and Parts
Power Requirements
Backplane
Device and Vector Addresses
Device Address Assignment
Vector Address Assignment
Examples of Device and Vector Address Assignment
Interrupt Priority
UNIBUS Loading
Module Installation and Customization
Pre-Installation Checkout Procedure
Power Supply Voltages
Guide for Setting Switches to Select Vector Address
ROM Verification
Installation Procedures
Cable BC08S-1/BC08R-1 Installation
Inserting Microprocessor Module
Inserting Line Unit Module
Checkout Procedure
Ddl 1-D Backplane
Dmcll Cabling
Chapter 3 Programming Information
Introduction
Interrupt Vectors
Priority Selection
Pdp-11 Programming Information
UNIBUS Control and Status Registers
Command Structure
Input Commands
UNIBUS Control and Status Registers (Csrs) (Symbolic Addresses and Format)
BSEL 0 - Input Register
Summary of Control and Status Registers
Base in Command Format
BSEL 0 Bit Functions
BSEL 1 - Maintenance Register
BSEL 1 Bit Functions
Interrupt Enable
BSEL 3 - Reserved
Base Input (BASE I) Command Format
BSEL 2 Bit Functions
Buffer Assignment (BA/CCI and BA/CCO)
Data Check
SEL 6 Bit Functions Associated with Control out
Input Commands (Format Descriptions)
Master Clear
Base in Command
Programming Procedure for the Initialization Command
Programming Procedure for the Base in Command
Control in Command
Buffer Address/Character Count in Command
Buffer Address/Character Count in Command
Format
Output Command (Format and Field Descriptions)
Buffer Address/Character Count out (BA/CCO) Command
Control out (CNTL O) Command
Programming Hints
Buffer Address/Character Count out Command Format
Control out (CNTL O) Command Format
Dmcll MASTER CLEAR
Error Reporting
Cumulative Error Counters
Threshold Counters
Power Fail Recovery
Shutdown of the Dmcl
Modem Control
Maintenance Mode
Remote Load Detect
Performance Degradation on the Dmcl 1-AL
Binary Data Transfer Methods
Parallel Vs Serial
Asynchronous Vs Synchronous
Synchronizing at the Receiver
Ddcmp
Controlling Data Transfers
Error Checking and Recovery
Character Coding
Data Transparency
Data Channel Utilization
Protocol Description
Message Format
Remote Load Detect
Dmcll Line Unit Set up
Procedure to Test Remote Load Detect under Itep
Procedure to Test Down-Line Load under Itep
Appendix Dlink Test
Abstract
Requirements
Program Loading Procedure
Operating Procedures for Link Test
MODE Selection
Operational Switch Setting
Starting ITEP
Valid Mode Combinations
Program Counter (Pc)
Test Equipment Required
Corrective Maintenance
Table no
Chapter 1 Introduction
Scope
General Description
Introduction
Operating Modes
Microprocessor - Line Unit Data Path
Transmitter
Receiver
1.4.6 Signal Conversion and Maintenance Logic
Basics of Cyclic Redundancy Checking
Mathematical Background
Hardware Implementation of CRC
CRC Operation in DDCMP Mode
CRC Operation in Bit Stuff Mode
Chapter 2 Installation
Scope ,2-1
Unpacking and Inspection ,2-1
Preinstallation Setup Procedures
Installation and Checkout
Jumper and Switch Checklist
Local Link Cable
Selection
Maintenance
Full-Duplex/Half-Duplex Operation
Registers and Device Address Selection
Modem Control Register
Maintenance Register
Data Silo Registers
Out Control Register
In Control Register
Modem Control Register
Sync Register
Switch Selectable Registers (R15 and R16)
Maintenance Register
Programming Procedures
Detailed Description
Introduction
Functional Description ,4-3
Logic Description
Registers
Out Control Logic ,4-4
In Control Logic ,4-4
Transmitter Control Logic ,4-4
Receiver Control Logic
CRC Logic ,4-6
Data Set Interface Logic
In Data Silo Register ,4-12
Selected Input
Clear to Send
Maintenance Philosophy
Preventive Maintenance
Integrated Circuit Descriptions
Data Inputs
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