Single-wire UART on Nrf9160

  • I’m working with a device that communicates over single-wire UART (half-duplex), where TX and RX share the same line (because the peer device is designed that way). Now I need the nRF9160 to communicate with it on the same single wire.

I know that implementing a software UART using GPIO is an option, but it seems too power-hungry for my use case. I’d like to ask:

  • Is there any way to utilize the hardware peripheral and DMA of the nRF9160, but still achieve single-wire communication (TX and RX on the same wire)?

Thanks in advance!

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