Chapter 4
Signal Connections
Signal Name
ACH<0..15>
AISENSE
AIGND
DAC0OUT
DAC1OUT
AOGND
DGND
VCC
DIO<0..7>
SCANCLK
EXTSTROBE*
PFI0/TRIG1
PFI1/TRIG2
PFI2/CONVERT*
PFI3/GPCTR1_SOURCE
PFI4/GPCTR1_GATE
GPCTR1_OUT
AT-MIO/AI E Series User Manual
Table 4-4 shows the I/O signal summary for the AT-MIO-16XE-50.
Table 4-4.
I/O Signal Summary, AT-MIO-16XE-50
Drive
Impedance
Protection
Input/
Output
AI
20 G in
25/15
parallel
with
100 pF
AI
20 G in
25/15
parallel
with
100 pF
AO
—
—
AO
0.1
Short-circuit
to ground
AO
0.1
Short-circuit
to ground
AO
—
—
DO
—
—
DO
0.1
Short-circuit
to ground
DIO
—
V cc +0.5
DO
—
—
DO
—
—
DIO
—
V cc +0.5
DIO
—
V cc +0.5
DIO
—
V cc +0.5
DIO
—
V cc +0.5
DIO
—
V cc +0.5
DO
—
—
Source
(Volts)
(mA at V)
On/Off
—
—
—
5 at 10
5 at 10
—
—
1A
13 at (V cc -0.4)
3.5 at (V cc -0.4)
3.5 at (V cc -0.4)
3.5 at (V cc -0.4)
3.5 at (V cc -0.4)
3.5 at (V cc -0.4)
3.5 at (V cc -0.4)
3.5 at (V cc -0.4)
3.5 at (V cc -0.4)
4-14
Sink
Rise
Bias
(mA at
Time
V)
(ns)
—
—
3 nA
—
—
3 nA
—
—
—
5 at -10
2
—
V/ s
5 at -10
2
—
V/ s
—
—
—
—
—
—
—
—
—
24 at 0.4 1.1
50 k pu
5 at 0.4
1.5
50 k pu
5 at 0.4
1.5
50 k pu
5 at 0.4
1.5
50 k pu
5 at 0.4
1.5
50 k pu
5 at 0.4
1.5
50 k pu
5 at 0.4
1.5
50 k pu
5 at 0.4
1.5
50 k pu
5 at 0.4
1.5
50 k pu
National Instruments Corporation
1