Omega-engineering DIGITAL INPUT/OUTPUT PCI-DIO96 Manuale Utente Scaricare il pdf (Pagina 22)

Interrupts

The interrupt control registers function with the four 82C55 devices and the

82C54 counter timer to provide interrupt sources.

1. 82C55 in Mode 1 or Mode 2 Interrupt configuration:

• First Port C0

• First Port C3

• Second Port C0

• Second Port C3

• Third Port C0

• Third Port C3

• Fourth Port C0

• Fourth Port C3

Note: Any interrupt source above can be individually

enabled.

2. 82C54 Counter

• Counter 1 OUT

• Counter 2 OUT

Note: Counters 1 and 2 interrupts are exclusive. Only

one counter can be enabled as an interrupt source at any

given time.

Interrupt sources

Rising / falling edge. Programmable through PLX-9052

High or low level. Programmable through PLX9052Interrupt polarity

Programmable through PLX9052 INTCSR PCI Interrupt enable

INTA# - mapped to IRQn via PCI BIOS at boot-timeInterrupt

Crystal Oscillator

±100 ppmFrequency stability

16 MHzFrequency

AT-cut crystalOscillator type

Environmental

0 to 95% non-condensingHumidity

−40 to 70°C

Storage temperature range

0 to 70°COperating temperature range

Mechanical

PCI short card: 136.0mm(L) x 100.6mm(W) x11.00mm(H)Card dimensions

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Omega-engineering DIGITAL INPUT/OUTPUT PCI-DIO96 Manuale Utente Pagina 22