Summary; Dspc Card; Cpu; Horizontal Sync - HP M2350A Service Manual

Component central monitor
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Understanding
the Computer Module
The Function Cards
Summary
n
Performs all data processing for the system (Arrhythmia CPC performs all arrhythmia
processing).
n
Contains large SRAM and DRAM work area for processor.
n
Includes watchdog facility to detect errors on the CPU and report to the system using a
PFAIL signal.
n
Has 3 Error / Status LEDs.
n
All card hardware is tested every time the system is reset.
n
Power fail protection inhibits access to the on-board buffered SRAM
l
Provides a minimum of 3 hours of data retention using a super-capacitor.
n
Operating system CPC contains a replaceable temperature sensor.
DSPC Card
The DSPC card is the display controller card used by the system to output display data to a
monochrome monitor. The DSPC card is a master card, based around a 68000 microprocessor,
with a connection to the local bus Therefore it cannot share a cluster with another master
card that connects to the local bus. The DSPC may be used to control an integral monochrome
display or a remote monochrome display.
Speci&zations
CPU.
68HCOOO @ 1OMHz.
Horizontal
Sync. 31.5
kHz.
Vertical
Sync. 50 / 60 Hz (Software selectable)
Resolution
@Xxv). (1024)2048 x 520 with full graphics capabilities.
Built-in
Character
Generator
Number of font types. 4.
Font
Sizes (HxV). 40x32, 20x16, 16x12, 12x12 pixels
Pixel Size (14"display).
0.22 x 0.35 mm.
Video Signal
Video Signal Level.
1V.
Sync Signal Level.
TTL
Outputs. Video Signal, Hsync, Vsync
Connector.
g-pin Dsub
2-16

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M2360a

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