Chapter 4
Signal Connections
PCI-MIO E Series User Manual
4-10
©
National Instruments Corporation
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
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
Table 4-3. I/O Signal Summary, PCI-MIO-16XE-50 (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