Digital Input Status Latch - Advantech PCI-1716 User Manual

Digital input debounce filter can be enabled or disabled independently for each chan-
nel, and filter duration can be configured by ports (each port consists of 8 channels).
Refer to the device specifications for the allowable filter duration.
3.3.6

Digital Input Status Latch

When a software interrupt (or event) is generated due to digital input status changed
detection mentioned above, the status of the corresponding digital input port at that
time is latched and can be read back by a software command. This is shown in Fig-
ure 3.26.
PCI-1716_Series User Manual
Figure 3.25 Debounce filter sample clock.
Figure 3.26 Digital input status latch.
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