User`s manual

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Introduction 5

General Purpose Digital I/O (G. P. DIO)

X Channels: 24 programmable input/output

X Compatibility: TTL/CMOS

X Input voltage:

Z Logic Low: VIL=0.8 V max; IIL=0.2 mA max

Z High: VIH=2.0 V max; IIH=0.02 mA max

X Output voltage:

Z Low: VOL=0.5 V max; IOL=8 mA max

Z High: VOH=2.7 V min; IOH=400 µA

General Purpose Timer/ Counter (GPTC)

X Channels: Two up/down timer/counters

X Resolution: 16-bit

X Compatibility: TTL/CMOS

X Clock source: Internal or external

X Maximum source frequency: 10 MHz

Analog Trigger (A.Trig)

X Source: External analog trigger (EXTATRIG)

X Level: ±10V external

X Resolution: 8-bit

X Slope: Positive or negative (software selectable)

X Hysteresis: Programmable

X Bandwidth: 400 KHz

X External Analog Trigger Input (EXTATRIG)

X Impedance: 40 KΩ

X Coupling: DC

X Protection: Continuous ±35V maximum