80960
CPU
RS-232
Interface
Shuffler
ASIC
Swath
RAM
Centronics
Interface
2-MB
DRAM
4x8-Mbit
ROM
Demultiplexed
Bus Interface
DRAM
SIMM
Socket
To Servo Processor
System
To Carriage
Processor
System
Processor
Support
ASIC
5Ć23
Functional Overview
C3187Ć90000
The main processor system consists of the following:
Main processor (80960)
ROM
Processor support ASIC
Shuffler ASIC with swath memory
Input/output interfaces
DRAM
Main-Processor-System
The main processor interprets graphicsĆlanguage commands received through the
input/output (I/O), prepares a bit map of the data to be printed, and issues commands to the
servo processor to synchronize the carriage androller movements for each swath printed.
The firmware code is containedin either two maskedROMs or four EPROMs on the main
PCA.
The EPROM integrated circuits are socketed; Move them from the old Main PCA to the new
one, when you replace the Main PCA.
Summary of Contents for CalcPad 200
Page 1: ... ...
Page 3: ... ...
Page 14: ... ...
Page 15: ... ...
Page 19: ... ...
Page 22: ...2Ć4 Site Planning and Requirements C3187Ć90000 ...
Page 23: ... ...
Page 27: ... 4 1 2 3 4 5 6 mm 0 25 in 5 1 2 3 4 5 B A B A A B A B X X X ...
Page 31: ... ...
Page 33: ... ...
Page 65: ... ...
Page 139: ... ...
Page 149: ...8Ć0 8 Troubleshooting ...
Page 178: ...8Ć30 Removal and Replacement C3187Ć90000 ...
Page 179: ...9Ć0 9 Product History and Service Notes ...
Page 193: ...10Ć1 10 Parts and Diagrams ...
Page 197: ...10Ć5 Parts and Diagrams C3187Ć90000 Legs and Media Bin 1 2 3 3 4 5 6 7 1 3 4 3 3 3 3 3 8 8 ...
Page 199: ...10Ć7 Parts and Diagrams C3187Ć90000 Window Center and Bottom Covers To Carriage ...
Page 203: ...10Ć11 Parts and Diagrams C3187Ć90000 Left Endcover and Trim ...
Page 205: ...10Ć13 Parts and Diagrams C3187Ć90000 Right Endcover and Trim ...
Page 207: ...10Ć15 Parts and Diagrams C3187Ć90000 Carriage Axis Drive Left End ...
Page 209: ...10Ć17 Parts and Diagrams C3187Ć90000 Service Station 1 2 3 3 4 5 7 6 6 ...
Page 215: ...10Ć23 Parts and Diagrams C3187Ć90000 Media Drive Assemblies ...
Page 219: ...10Ć25 Parts and Diagrams C3187Ć90000 Bail and Overdrive Assemblies ...
Page 221: ...10Ć27 Parts and Diagrams C3187Ć90000 Pinch Arm Assembly ...
Page 227: ... ...
Page 231: ... ...
Page 244: ...IndexĆ04 C3087Ć90000 ...
Page 245: ... ...