National Instruments 3.21E+04 사용자 설명서

Chapter 4     Signal Connections

AT-MIO/AI E Series User Manual

4-8



 National Instruments Corporation

Table 4-1 shows the I/O signal summary for the AT-MIO-16E-1, 
AT-MIO-16E-2 and AT-MIO-64E-3.

PFI9/GPCTR0_GATE

DGND

Input

Output

PFI9/Counter 0 Gate—As an input, this is one of the PFIs. 

As an output, this is the GPCTR0_GATE signal.  This signal 
reflects the actual gate signal connected to the 
general-purpose counter 0.

GPCTR0_OUT

DGND

Output

Counter 0 Output—This output is from the general-purpose 
counter 0 output.

FREQ_OUT

DGND

Output

Frequency Output—This output is from the frequency 
generator output.

Table 4-1.     I/O Signal Summary, AT-MIO-16E-1, AT-MIO-16E-2, and AT-MIO-64E-3 

ACH<0..63>

AI

100 G

Ω

 

in parallel 
with 
100 pF

25/15

—

—

—

±

200 pA

AISENSE, AISENSE2

AI

100 G

Ω

 

in parallel 
with 
100 pF

25/15

—

—

—

±

200 pA

AIGND

AO

—

—

—

—

—

—

DAC0OUT

AO

0.1 

Ω

Short-circuit 
to ground

5 at 10

5 at -10

20 
V/

µ

s

—

DAC1OUT 

AO

0.1 

Ω

Short-circuit 
to ground

5 at 10

5 at -10

20 
V/

µ

s

—

EXTREF

AI

10 k

Ω

25/15

—

—

—

—

AOGND

AO

—

—

—

—

—

—

DGND

DO

—

—

—

—

—

—

VCC

DO

0.1

Ω

Short-circuit 
to ground

1A

—

—

—