DS18B20 temp sensor IC

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DS18B20 temp sensor IC

Postby makiyoung » Sun Jun 18, 2017 9:56 pm

DS18B20 temp sensor IC Dq pin is connected to PSEN of controller in my application.

But in datasheet its mentioned that its connected to I/O port.

And second doubt is how I/O port senses temp? It should be connected to ADC pin of controller.
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