PCM-CTC - PC/104 Counter/Timer Module

SPECIFICATIONS

Timer Configuration

Six 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
Binary or BCD counter operation

Interrupts

Two external interrupt input sources

Power

+5V @ 40 mA required

Industrial Operating Temperature Range

-40°C to 85°C

Form Factor

PC/104-compliant
3.60 in x 3.80 in (90 mm x 96 mm)

Datasheet | Manual | Software

OVERVIEW

The PCM-CTC card is designed to solve the common timing problems in industrial systems design. Six 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. All six channels have a buffered Clock, Gate, and Output available. Jumper headers provide source selection and cascading to yield maximum configuration flexibility.

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ORDERING INFORMATION

Product Model
Part Number	Description
PCM-CTC	Six channel PC/104 module with 82C59A PIC

DOWNLOADS

PDF Datasheet
Printable datasheet in PDF format	Datasheet

Manual
Electronic product manual in PDF format	Manual

Software Drivers & Examples
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