National Instruments AT E Series - Manual (Page 55)

Chapter 4 Connecting Signals
AT E Series User Manual 4-8 ni.com
GPCTR0_OUT DGND Output Counter 0 Output—This output is from the general-purpose
counter 0 output.
FREQ_OUT DGND Output Frequency Output—This output is from the frequency
generator output.
Table 4-3. I/O Signal Summary for the AT-MIO-16E-1, AT-MIO-16E-2, and AT-MIO-64E-3
Signal Name Drive
Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA at V)
Rise
Time
(ns) Bias
ACH<0..63> AI 100 G Ω
in parallel
with
100 pF
25/15 — — — ±200 pA
AISENSE, AISENSE2 AI 100 G Ω
in parallel
with
100 pF
25/15 — — — ±200 pA
AIGND AO — — — — — —
DAC0OUT AO 0.1 Ω Short-circuit
to ground
5 at 10 5 at –10 20
V/µs
—
DAC1OUT AO 0.1 Ω Short-circuit
to ground
5 at 10 5 at –10 20
V/µs
—
EXTREF AI 10 k Ω 25/15 — — — —
AOGND AO — — — — — —
DGND DO — — — — — —
VCC DO 0.1 Ω Short-circuit
to ground
1 A — — —
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 ADIO 10 k Ω Vcc +0.5/±35 3.5 at
(Vcc –0.4)
5 at 0.4 1.5 50 k Ω pu 2
Table 4-2. I/O Signal Summary for the AT E Series (Continued)
Signal Name Reference Direction Description