Contec ADA16-32/2(PCI)F, Руководство пользователя, Страница: 106 / 109

6. About Hardware
ADA16-32/2(PCI)F
99
Control Signal Timings for Counter
Figures 6.8, 6.9, and Table 6.4 show the control signal timings for the analog input function.
Counter Up Pulse Input
t
HRC
t
SRC
Figure 6.8. Timing Chart of Counter Input Signal
Counter Compair Output
t
PSC
Figure 6.9. Timing Chart of Counter Output Signal (Pulse output)
Table 6.4. Control Signal Timings
Parameter Symbol Time Unit
Set up time of counter input (Rising edge) t
SRC
100 nsec
Hold time of sampling start (Rising edge) t
HRC
100 nsec
Pulse width of counter output signal t
PSC
1000 nsec
CAUTION
The times listed in Table 6.4 are for standard operating conditions.