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Friday, May 09, 2008
 
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Single Board Computers, PC/104 ( PC104 ), PC/104-Plus, & STD Bus Products

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LPM/MCM-CTC
STD Bus 9-Channel Counter/Timer

 
SPECIFICATIONS
    Timer Configuration
  • Nine 16-bit Counter/timers (82C54)
  • Supports DC inputs up to 8 MHz
  • Two jumper-selectable clock sources
  • Access to Clock, Gate and Out signals for each channel (8 channels buffered and accessed via 2 connectors)
  • Binary or BCD counter operation
  • Six programmable counter modes per channel
  • Optional 82C59A Interrupt Controller
    Interrupts
  • Two external interrupt input sources
    Industrial Operating Temperature Range
  • -40°C to 85°C
  • 0°C to 65°C
    Power
  • +5V @ 20 mA, 215 mA required
 



OVERVIEW

Nine independent 16-bit channels are capable of frequency/event counting from DC to 8 MHz, pulse marker or square-wave generation, time interval measurements, and one shot simulation. Eight channels have a buffered Clock, Gate and Output available. Jumper headers provide source selection and cascading to yield maximum configuration flexibility.


WinSystems reserves the right to make changes to products and/or documentation without further notification. Product names of other companies may be trademarks of their respective companies.

ORDERING INFORMATION
Part Number Description
LPM-CTC-0 CMOS STD Bus counter/timer card
LPM-CTC-1 CMOS STD Bus counter/timer card with interrupt controller
MCM-CTC-0 STD Bus counter/timer card
MCM-CTC-1 STD Bus counter/timer card with interrupt controller
 
DOWNLOADS
Printable datasheet in PDF format Datasheet
Electronic product manual in PDF format Manual
Examples
(Assembly Language)
Initialization routine for 82C54 timer/counter
8254init.zip 

 
Examples
(For 82C55 PPI)
Example of reprogramming DOS tick for high resolution timing
tickdemo.zip 
Example of programming 82C54 timerswith 82C59 interrupt controller
ctc_int.zip 

 

 

 

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