Chapter 4
Signal Connections
©
National Instruments Corporation
4-7
PCI-MIO E Series User Manual
Table 4-2 shows the I/O signal summary for the PCI-MIO-16XE-10.
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
FREQ_OUT
DO
—
—
3.5 at (Vcc-0.4)
5 at 0.4
1.5
50 k
Ω
pu
AI = Analog Input
DIO = Digital Input/Output
pu = pullup
AO = Analog Output
DO = Digital Output
AI/DIO = Analog/Digital Input/Output
Note:
The tolerance on the 50 k
Ω
pullup and pulldown resistors is very large. Actual value may range between
17 k
Ω
and 100 k
Ω
.
Table 4-2. I/O Signal Summary, PCI-MIO-16XE-10
Signal Name
Signal
Type and
Direction
Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA
at V)
Rise
Time
(ns)
Bias
ACH<0..15>
AI
100 G
Ω
in parallel
with
100 pF
25/15
—
—
—
±
1 nA
AISENSE
AI
100 G
Ω
in parallel
with
100 pF
25/15
—
—
—
±
1 nA
Table 4-1. I/O Signal Summary, PCI-MIO-16E-1 and PCI-MIO-16E-4 (Continued)
Signal Name
Signal
Type and
Direction
Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA
at V)
Rise
Time
(ns)
Bias