UC300Eth Inputs specifications

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UC300Eth Inputs specifications

Postby Olivier-CNC » Sat Apr 26, 2025 11:03 am

For those interested, i did measure the UC300eth port #1 inputs and here is what i get :

current draw when grounded : 1 mA => pull-up resistor : 5 kohms

low state if input voltage <= 1.4V
high state if input voltage : >= 3.6V
(CMOS 5V Schmitt trigger)

This is important to know when interfacing DIY circuits for a good compatibility.
Olivier-CNC
 
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