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Preliminary DSH32 Synchronous/Asynchronous Serial Line Option
Company:
Digital Equipment Corporation
Part:
EK-283AA-AD-001
Date:
1988-10-28
Table of Contents
1
Introduction
2
Physical Description
2.1
DSH32 Controller Module
2.2
DSH32 Driver/Receiver Modules
2.3
Electrical Characteristics
2.4
Environmental Specifications
3
DSH32 Controller Module Input/Output Connectors
4
Functional Description
4.1
Interface Subsystem
4.2
Asynchronous Communication Subsystem
4.2.1
Control and Status Register
4.2.2
Receive Buffer Register
4.2.3
Receive Timer Register
4.2.4
Line Parameter Register
4.2.5
Transmit FIFO Data Register
4.2.6
Transmit FIFO Size Register
4.2.7
Line Status Register
4.2.8
Line Control Register
4.2.9
Transmit Enable Register
4.3
Synchronous Communication Subsystem
4.3.1
I/O Bus Interface
4.3.2
DMA Controller
4.3.3
Modes of Operation
4.3.4
Interrupts
4.3.5
Registers
5
Internal Diagnostics
5.1
Power-up Test
5.2
Self-Test
5.2.1
Power-Up and Self-Test Error Codes
5.3
System Exerciser
5.3.1
System Exerciser Error Codes
5.4
Option Diagnostic ROM
5.5
Base System ROM
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Site:
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