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Appendix A
Specifications
©
National Instruments Corporation
A-3
Getting Started with Your PCI/PXI-6810 SDA
Operating Characteristics with External Power
Output high voltage ............................Vcc – 0.2 V
Output low voltage .............................0.2 V (2.7 V < Vcc < 3.6 V)
0.4 V (Vcc = 2.7, Vcc = 3.6 V)
Output current..................................... ±12 mA
Operating Characteristics at 5 V
Output high voltage ............................4.8 V min
Output low voltage .............................0.2 V max
Output current.....................................±12 mA
Serial Channel Triggering
Trigger inputs .....................................Arbitrary pattern match
(64 bit on input channel, 16 bit
on output channel);
data edge detection;
RTSI trigger;
External trigger signal;
Trigger from another channel
Trigger combination ...........................Any logical combination of two
trigger inputs
Trigger output .....................................External trigger signal;
Acquire or transmit data;
RTSI trigger;
Trigger another serial channel
Post trigger timer ................................16-bit countdown timer that can
clear a trigger condition. Timer
can be reset in response to
additional trigger inputs, or can
ignore additional inputs until
counter reaches zero.