US Robotics Courier USR3500 Reference Manual page 19

Reference Guide
* Value without external load.
Figure 10. Equivalent Circuit of V
Figure 11. Equivalent circuit of V
Figure 12. Equivalent circuit of V
Figure 13. Equivalent circuit of V
The GPIO pin is mainly used to:
• Act as a switch for a transistor when the GPIO is configured as output.
, Vref > 2.8V
IL
, Vref > 2.8V
IH
, Vref > 2.8V
OL
, Vref > 2.8V
OH
Rev 1.0
Interfaces
1/27/14
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