|
AO GND |
— |
Analog Output Ground— The AO voltages and the external reference voltage are referenced to these terminals. |
|
AO <0..7> |
AO GND |
Analog Output Channels—These terminals supply voltage output. |
|
D GND |
— |
Digital Ground—D GND supplies the reference for the digital signals at the I/O connector and the +5 VDC supply. |
|
P0.<0..7> |
D GND |
Port 0 Digital I/O Channels—These terminals drive and receive digital signals. P0.6 and P0.7 can also control the up/down signal of Counters 0 and 1, respectively. |
|
+5 V |
D GND |
+5 Power Source—These terminals supply a +5 V power source. |
|
AO EXT REF |
D GND |
External Reference—This pin is the external reference input for the AO circuitry. |
|
EXT STROBE |
D GND |
External Strobe Signal—This pin is used to control some NI accessories. |
|
PFI <0..2>. PFI 7 |
D GND |
Programmable Function Interface—As an input, this is a general-purpose input terminal. |
|
PFI 3/CTR 1 SOURCE |
D GND |
Programmable Function Interface or Counter 1 Source Signal—As an input, this is a general-purpose input terminal. This is the default input for the Ctr1Source signal.
As an output, this terminal emits the selected Ctr1Source signal. This signal reflects the actual source signal connected to Counter 1. |
|
PFI 4/CTR 1 GATE |
D GND |
Programmable Function Interface or Counter 1 Gate Signal—As an input, this is a general-purpose input terminal. This is the default input for the Ctr1Gate signal.
As an output, this terminal emits the selected Ctr1Gate signal. This signal reflects the actual gate signal connected to Counter 1. |
|
CTR 1 OUT |
D GND |
Counter 1 Output Signal—This terminal emits the Ctr1InternalOutput signal. |
|
PFI 5/AO SAMP CLK* |
D GND |
Programmable Function Interface or AO Sample Clock Signal—As an input, this is a general-purpose input terminal.
As an output, this terminal emits the AO Sample Clock signal. A high-to-low transition of this signal indicates a new sample is being generated. |
|
PFI 6/AO START TRIG |
D GND |
Programmable Function Interface or AO Start Trigger Signal—As an input, this is a general-purpose input terminal. This is the default input for the AO Start Trigger signal.
As an output, this terminal emits the AO Start Trigger signal. A low-to-high transition of this signal indicates the start of a generation. |
|
PFI 8/CTR 0 SOURCE |
D GND |
Programmable Function Interface or Counter 0 Source Signal—
As an input, this is a general-purpose input terminal and can also be used to route signals directly to the RTSI bus. This is the default input for the Ctr0Source signal.
As an output, this terminal emits the Ctr0Source signal. This signal reflects the actual source signal connected to Counter 0. |
|
PFI 9/CTR 0 GATE |
D GND |
Programmable Function Interface or Counter 0 Gate Signal—As an input, this is a general-purpose input terminal. This is the default input for the Ctr0Gate signal.
As an output, this terminal emits the Ctr0Gate signal. This signal reflects the actual gate signal connected to Counter 0. |
|
CTR 0 OUT |
D GND |
Counter 0 Output Signal—As an input, this terminal can be used to route signals directly to the RTSI bus. As an output, this terminal emits the Ctr0InternalOutput signal. |
|
FREQ OUT |
D GND |
Frequency Output Signal—This output is from the frequency generator. |
|
NC |
— |
No connect—Do not connect signals to this terminal. |
