National Instruments AT E Series User Manual
Page 61
Chapter 4
Connecting Signals
4-14
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VCC
DO
0.1
Ω
Short-circuit
to ground
1A
—
—
—
DIO<0..7>
DIO
—
Vcc +0.5
13 at
(Vcc –0.4)
24 at 0.4
1.1
50 k
Ω
pu
1
SCANCLK
DO
—
—
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
EXTSTROBE*
DO
—
—
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI0/TRIG1
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI1/TRIG2
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI2/CONVERT*
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI3/GPCTR1_SOURCE
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI4/GPCTR1_GATE
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
GPCTR1_OUT
DO
—
—
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI5/UPDATE*
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI6/WFTRIG
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI7/STARTSCAN
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI8/GPCTR0_SOURCE
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
PFI9/GPCTR0_GATE
DIO
—
Vcc +0.5
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
GPCTR0_OUT
DO
—
—
3.5 at
(Vcc –0.4)
5 at 0.4
1.5
50 k
Ω pu
Table 4-6. I/O Signal Summary for the AT-MIO-16XE-50 (Continued)
Signal Name
Drive
Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA at V)
Rise
Time
(ns)
Bias