User's Guide

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3. Select GPIO type according to your requirements.
 Digital Input: detect high or low status of devices;
 Digital Output: Send voltage signal to trigger devices;
 Counter: pulse counter.
Digital Input:
Select initial status of digital input. If pull up is selected, falling edge will be triggered; if pull
down is selected, rising edge will be triggered. After selection, click “Fetch” to check current
status of digital input.
Digital Output:
Click “Switch” to check if UC50x can trigger devices by digital output or click “Fetch” to check
current status of digital output.