Digital Output; Counter/Timer - Advantech PCI-1710U-DE User Manual

A.4 Digital Output
Output Channels
Output Voltage
A.5 Counter/Timer
Counter chip
Channels
Resolution
Compatibility
Base Clock
Max. Input
Frequency
Clock Input
Gate Input
Counter Output
16
Low
High
82C54 or equivalent
3 channels, 2 channels are permanently configured as
programmable pacers; 1 channel is free for user appli-
cation
16-bit
TTL level
Channel 2: Takes input from output of channel 1
Channel 1: 10MHz
Channel 0: Internal 1MHz or external clock (10 MHz)
max Selected by software
10MHz
Low
High
Low
High
Low
High
33
0.8 V max.@ +8.0mA (sink)
2 V min.@ -0.4mA(source)
0.8 V max.
2.0 V min.
0.8 V max.
2.0 V min.
0.5 V max.@+24 mA
2.4 V min.@-15 mA
Appendix A