10 | ni.com | NI USB-6001/6002/6003 User Guide
AO GND — — Analog Output Ground—The reference point
for analog output.
AO <0, 1> AO GND Output Analog Output Channels 0 and 1—Supplies
the voltage output of the AO channels. Refer to
the
Analog Output section for more information.
P0.<0..7> D GND Input or
Output
Port 0 Digital I/O Channels 0 to 7—You can
configure each signal individually as an input or
output. Refer to the
Digital I/O section for more
information.
P1.<0..3> D GND Input or
Output
Port 1 Digital I/O Channels 0 to 3—You can
configure each signal individually as an input or
output. Refer to the
Digital I/O section for more
information.
P2.0 D GND Input or
Output
Port 2 Digital I/O Channel 0—You can
configure each signal individually as an input or
output. Refer to the
Digital I/O section for more
information.
PFI 0, 1 D GND Input Programmable Function Interface or Digital
I/O Channels—An edge counter input or digital
trigger input. Refer to the
PFI 0 and PFI 1
section for more information.
D GND — — Digital Ground—The reference point for digital
signals.
+5 V D GND Output +5 V Power Source—Provides +5 V power up
to 150 mA. Refer to the
+5 V Power Source
section for more information.
Table 5. Signal Descriptions (Continued)
Signal
Name
Reference Direction Description
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