Measurement Computing CIO-PDMAxx - Manual (Page 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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