Microgate SyncLink GT2, Руководство пользователя по оборудованию

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General Purpose I/O Signals
The serial card has an optional 14 pin header that provides general purpose input/output (GPIO) signals
for application specific uses. These signals are controlled by an application using the serial API (Windows
and Linux). Each signal can be configured to be either an input or an output. Inputs can be monitored
and outputs can be controlled.
DC GPIO Specifications
Vil (input low) = ‐ 0.5V min, 0.8V max
Vih (input high) = 2.0V min, 5.5V max
Vol (output low) = 0.4V max
Voh (output high) = 2.4V min
Iol (output low) = 24mA max
Iil (output high) = ‐ 24mA max
Input Current = +/ ‐ 10uA max
GPIO signals are 3.3V TTL compatible and inputs are 5V tolerant.