This reference design is for autonomous audio headset switch applications. Some audio headsets have integrated analog microphones. The GND and MIC connections on the audio jack connector may be swapped depending on the manufacturer. This design has the ability to detect the presence of an analog microphone on the audio headset, detect the pin configuration […]
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Credit- EFY. Published by Department of EEE, ADBU: tinyurl.com/eee-adbu
