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5Ć21 Functional OverviewC3187Ć90000
Plotter Architecture
The plotters have the multiprocessor architecture shown in the following diagram:
80960 bus
Main
Processor
(80960KA)
Internal
Memory
(ROM/RAM)
Expansion
Memory
(SIMM DRAM)
I/O
(Centronics)
(RS–232)
Shuffler
ASIC
Swath RAM
(256 KB)
Support
ASIC
Encoders
Motor Drivers
Nozzle
Timing ASIC
Carriage
Processor
(8051)
Servo
Processor
(8052)
EEPROM
(256)
Cartridge
Drivers
Line Detector
Sensors
Front Panel
Plotter Architecture
The plotter electronics, besides sensors and cables, consist of the following assemblies:
D Main PCA
D Carriage PCA
D FrontĆPanel PCA
D Power Supply
These are described on the following pages.