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host interface via UART - any examples code for it please?

PingISTL

Hello, support

I use nRF52833 SoC and need to host it with external NXP MCU to control its function, interface is 3 pins only, I wonder whether there is any example code for that please?

And also, I wonder which pins can be used for UART RX and TX. I currently use a nRF52 DK, and pins 5,6,7,8 are used for UART0 to JLink for debug console - I believe. If I need to use another UART, which pins should I use? are pins all configurable to this purpose?

Regards!

Ping

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    Hello, Hakon

    Thanks for reply, this is a real project, which include two products designed with Fanstel BM833 module. Both products are just in market, but they have not had the bluetooth functions developed. One application will be a BLE central, can scan and control other BLE devices, and other will be a peripheral able to be connected by a mobile device to pass configuration data in between etc.

    Both are hosted by NXP MCU via UART ( 3 pin interface), so I need to get the UART talking first. I am new the Nordic and found it hard to turn my head around .  The module on products is Nordic nRF52833 SoC, and I find that it has 2 UARTs, they are wired it to pin 31(RX) and 32(TX) by the hardware guy, I hope it can be configured as either UART0 or UART1? pins are not used for anything else.

    I will have a look on the examples you suggested.

    Regards!

    Ping

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  • 0

    Hello, Hakon

    Thanks for reply, this is a real project, which include two products designed with Fanstel BM833 module. Both products are just in market, but they have not had the bluetooth functions developed. One application will be a BLE central, can scan and control other BLE devices, and other will be a peripheral able to be connected by a mobile device to pass configuration data in between etc.

    Both are hosted by NXP MCU via UART ( 3 pin interface), so I need to get the UART talking first. I am new the Nordic and found it hard to turn my head around .  The module on products is Nordic nRF52833 SoC, and I find that it has 2 UARTs, they are wired it to pin 31(RX) and 32(TX) by the hardware guy, I hope it can be configured as either UART0 or UART1? pins are not used for anything else.

    I will have a look on the examples you suggested.

    Regards!

    Ping

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