Table 4-3.
Signal Name
PFI5/UPDATE*
PFI6/WFTRIG
PFI7/STARTSCAN
PFI8/GPCTR0_SOURCE
PFI9/GPCTR0_GATE
GPCTR0_OUT
FREQ_OUT
AI = Analog Input
AO = Analog Output
Note:
The tolerance on the 50 k pullup and pulldown resistors is very large. Actual value may range between
17 k
and 100 k .
National Instruments Corporation
I/O Signal Summary, AT-MIO-16XE-10 and AT-AI-16XE-10 (Continued)
Drive
Impedance
Input/
Output
DIO
—
DIO
—
DIO
—
DIO
—
DIO
—
DO
—
DO
—
DIO = Digital Input/Output
DO = Digital Output
Protection
Source
(Volts)
(mA at V)
On/Off
V cc +0.5
3.5 at (V cc -0.4)
V cc +0.5
3.5 at (V cc -0.4)
V cc +0.5
3.5 at (V cc -0.4)
V cc +0.5
3.5 at (V cc -0.4)
V cc +0.5
3.5 at (V cc -0.4)
—
3.5 at (V cc -0.4)
—
3.5 at (V cc -0.4)
pu = pullup
4-13
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
AT-MIO/AI E Series User Manual