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PCM-3780 User Manual 2
Chapter 1 Introduction
Thank you for buying the Advantech PCM-3780. The PCM-3780 is a
general purpose multiple channel counter/timer card for the PC/104 bus.
It targets the AM9513 to implement the counter/timer function by CPLD.
It provides two 16-bit counter channels and 24-ch digital TTL I/O.
The I/O bits are divided into three 8-bit I/O ports: A0, B0 and C0. You
can configure each port as either input or output via software. The power-
ful Advantech-designed counter functions fulfill your industrial or labo-
ratory application needs.
The following sections of this chapter will provide further information
about features of the multifunction cards, a quick startup guide for instal-
lation, together with some brief information on software for the PCM-
3780 card.
1.1 Features
The Advantech PCM-3780 offers the following main features:
• 2 independent 16-bit counters
• 2 programmable clock sources
• 24-ch digital TTL I/O
• Up to 20 MHz input frequency
• Multiple counter clock source selectable
• Counter output programmable
• Counter gate function
• Flexible interrupt source select