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WD/90 Pascal
Microengine WD/90 Pascal Manuals
Manuals and User Guides for Microengine WD/90 Pascal. We have
1
Microengine WD/90 Pascal manual available for free PDF download: Reference Manual
Microengine WD/90 Pascal Reference Manual (223 pages)
Pascal WD/90 MICROENGINE Single board computer
Brand:
Microengine
| Category:
Single board computers
| Size: 8 MB
Table of Contents
Table of Contents
7
Components of the Coaputer
11
Pascal Operating System
12
Computer Operation
13
Requirements of the Computer
13
Installation Procedures
15
Setting Option Switches
15
Opening the Computer Housing
15
Setting the Floppy Disk Controller Option Switches
17
Switches
18
Setting the Serial Port Baud Rate Switches
20
Serial Port Baud Rate Switch Settings
20
Installing System Components
21
Installing the Computer
21
Connecting the Peripherals
21
Operating Procedures
23
Starting and Stopping the System
23
Turning on the Power
23
ON/OFF Switch
23
Loading the System Software
24
Stopping the System
24
Changing Hardware Option Switch Settings
25
Troubleshooting Procedures
27
The Troubleshooting Process: a General Discussion
27
Symptom 1: Operating System Fails to Announce Itself
28
Repeating the Software Loading Procedure
28
Checking the Floppy Disk Controller Option Switches
28
Measuring and Adjusting the Power Supplies
29
Measuring and Adjusting
29
Symptom 2: Transfers to the System Terminal Fail
30
Symptom 3: Transfers to the Parallel Ports Device or
31
Floppy Disk Fail
31
Symptom 4: System Fails to Pass Diagnostic Program
31
The Troubleshooting Process: a Summary Flow Chart
31
RESET Button Location
29
Fault-Finder Flow Chart
32
Theory of Operations
35
Processor/Memory and Processor/Peripherals Communication
35
Communication Bus Structure Control Lines
37
Processor/Memory Communication
38
Devices
38
Device-Ini Tiated Communication with the Pt'ocel:.sor Interrupts
39
Standard General Device Addresses
39
Pascal MICROENGINE Processor
40
Interrupt Conditions and
40
Sel'ial Ports
41
Serial Port Status Register Contents
45
Serial Port Control Register 1 Contents
47
Serial Port SYN, OLE, and Control Register Addresses
52
Parallel Ports
53
Parallel Ports Control Lines (Port C)
55
Parallel Ports Addresses
56
DMAC Control Register Contents
64
DMAC Status Register Contents
65
Stepping Motor Rates for FOC Type I Commands
69
Commands
70
FDC Command Register Values for the Force Interrupt Command (Type IV)
75
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