Adlink PCI-7300A Manual do Utilizador descarregar pdf (Página 15)

Introduction 3

1.3 Specifications

Digital I/O (DIO)

X Numbers of Channel: 32 TTL compatible inputs and/or out-

puts

X Device: IDT 74FCT373

X I/O Configurations:

Z 16 DI & 16 DO

Z 32 DI

Z 32 DO

Input Voltage:

X Low: Min. 0V; Max. 0.8V

X High: Min. +2.0V

Input Load:

X Terminator OFF:

Z Low: +0.5V @ ±20 mA

Z High: +2.7V @ ±1 mA max.

X Terminator ON:

Z Termination resistor: 110 Ohms

Z Termination voltage: 2.9V

Z Low: +0.5V @ ±22.4mA

Z High: +2.7V @ ±1mA max.

Output Voltage:

X Low: Min. 0V; Max. 0.5V

X High: Min. +2.7V

Driving Capacity:

X Low: Max. +0.5V at 48mA (Sink)

X High: Min. 2.4V at -8 mA (Source)

Hysteresis: 500mV

Transfer Characteristic

X Mode: Bus Mastering DMA with Scatter/Gather

X Data Transfers: 8/16/32-bit input or output (programmable)

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 111 112

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Adlink PCI-7300A Manual do Utilizador Página 15