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Signal Name
GPCTR1_OUT
PFI5/UPDATE*
PFI6/WFTRIG
PFI7/STARTSCAN
PFI8/GPCTR0_SOURCE
PFI9/GPCTR0_GATE
GPCTR0_OUT
FREQ_OUT
AI = Analog Input
AO = Analog Output
1
DIO <6..7> are also pulled down with a 50 k resistor.
2
Also pulled down with a 10 k resistor.
Note:
The tolerance on the 50 k pullup and pulldown resistors is very large. Actual value may range between
17 and 100 k .
National Instruments Corporation
Table 4-1.
VXI-MIO-64E-1 I/O Signal Summary (Continued)
Drive
Impedance
Input/
Output
Power On/Off
DO
—
DIO
—
DIO
—
DIO
—
DIO
—
DIO
—
DO
—
DO
—
DIO = Digital Input/Output
DO = Digital Output
Protection
Source
(Volts)
(mA at V)
—
3.5 at (4.6 V)
5.5 V
3.5 at (4.6 V)
5.5 V
3.5 at (4.6 V)
5.5 V
3.5 at (4.6 V)
5.5 V
3.5 at (4.6 V)
5.5 V
3.5 at (4.6 V)
—
3.5 at (4.6 V)
—
3.5 at (4.6 V)
pu = pullup
ADIO = Analog/Digital Input/Output
4-7
Chapter 4
Signal Connections
Sink
Rise
Bias
(mA at
Time
V)
(ns)
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
VXI-MIO Series User Manual
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