How to use GPIO analog a uart?

[shark]

I'm use freeRTOS by the nrf52832.But it only 1 channel uart,I need to two channels uart。if analog uart by GPIO,need to  us delay.How to generate us delay？

[ovrebekk]

Hi 

If I understand you correctly you want to implement a second UART in software?

What kind of baudrate do you need for the second UART, and do you need both TX and RX or only one of the two?

Best regards
Torbjørn