USB-1808X-OEM User's Guide
Functional Details
16
In Figure 7 all mask bits are set to 1, so all the bits are included in the pattern to detect.
Figure 7. Trigger mask with all bits included
In Figure 8 all mask bits are excluded except bit 3. The result of this operation is that only bit 3 is included in
the pattern to detect.
Figure 8. Trigger mask with some bits excluded
Ground
The analog ground (
AGND
) pins provide a common ground for all analog channels.
The digital ground (
GND
) pins provide a common ground for the digital, trigger, counter, and encoder pins.
Power output
The
+VO
pin can output up to 10 mA maximum. You can use this pin to supply power to external devices or
circuitry.
