Measurement-computing CIO-PDMAxx Manual do Utilizador descarregar pdf (Página 27)

Counter 2 - CIO-PDMA16 (user counter 3)

Source: Counter 0 output.

Gate: Pulled high through 10k resistor

Output: Not connected

Counter 2 - CIO-PDMA32 Used internally for REPINS

/ REPOUTS modes (configured as mode 2

8254 emulator)

Source: Internal use

Gate: Internal use

Output: Internal use

Clock input frequency 10 MHz max

High pulse width (clock input) 30 ns min

Low pulse width (clock input) 50 ns min

Gate width high 50 ns min

Gate width low 50 ns min

Input low voltage 0.8V max

Input high voltage 2.0V min

Output low voltage 0.4V max

Output high voltage 3.0V min

Crystal oscillator

Frequency 10 MHz

Frequency accuracy 100 ppm

Environmental

Operating temperature range 0 to 60°C

Storage temperature range −40 to 100°C

Humidity 0 to 90% non-condensing

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