Adlink PCI-8554 Bedienungsanleitung PDF herunterladen (Seite 13)

Introduction

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3

1.2 Applications

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Event counter

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Frequency generator

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Frequency synthesizer

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Pulse width measurement

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Low level pulse generator

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Time delay

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Industry automation

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Watchdog timer

1.3 Specifications

Programmable Counter / Timer

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Device:

82C54x4

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Number of Counters/timers:

3 10 independent timers / counters

3 2 cascaded timers / counters

3 Cascaded 32-bit counters with fixed 8MHz internal

clock

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Counter mode:

16-bit down counter

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Maximum input frequency:

8 MHz

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Clock sources of independent counters:

3 External clock

3 Prior counter output

3 Clock #10 output

3 CK1 (Programmable)

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CK1 clock sources:

(Programmable)

3 8MHz internal base clock

3

Programmable counter 11 output

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Gate control:

default enable or external control

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