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Some similar discussion here: #1265 Found with a search of just RXEN with many other hits, so there may be some other info to be looked at. |
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E220-400M22S has RXEN TXEN these pins. Can someone explain what is their role?
Ebyte info is very little, says for RXEN: "RF switch receive control pin, connect external MCU IO, high level effective"
and "RF switch emission control pin, connected to external MCU IO or dio2, high level effective" for the TXEN.
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