ADLINK Technology PCI-8124, Руководство пользователя, Страница: 12 / 85

Introduction 3
1.1 Features
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PCI Rev 2.2, 32-bit/33Mhz Compliment
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Support both PCI-X (3.3V) and PCI (5V) slots
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Support 4-bit board ID for multiple boards in one system
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4 differential quardrature encoder counter input channels
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Each encoder counter input pair supports 1/2/4x A/B phase, dual
pulse (CW/CCW) and signed pulse (OUT/DIR) modes
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4 trigger output channels via both open collector and TTL pins
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Trigger pulse width is software programmable from 0.1µs to
3.2765ms
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Each trigger output channel is selected from all comparators, man-
ual trigger commands, EZ signal and timers by demands
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4 comparators for comparing encoder counter and FIFO data
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10 comparators for comparing encoder counter and linear data
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Each encoder counter source is selected from encoder input pins
or timers
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Comparator data is updated by next FIFO data or linear data when
encoder counter is compared and trigger is outputted
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14 comparators can select one of 4 trigger output channels individ-
ually
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4 channel TTL output pins for general purpose output or trigger
output
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4 channel TTL input pins for general purpose or timer start signal
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4 channel high speed latch input pins for counters
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EZ and Latch input pins can be used for general purpose input
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Latch input logic is selectable by rising or falling edge
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Encoder counter clear via EZ input pin as zero operation
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Programmable interrupt sources from linear data finished, trig-
gered, FIFO empty/full/low, latched, TTL input on.
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Switch setting for trigger output default level while power on
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Trigger output pin logic programmable
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Provide DLL and driver to support Windows 2K/XP/Vista