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  • Case ID: 336126
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Number of UARTs available for 2AB (nRF53840)

Tsutsumi

Hi,

I would like to know Number of UARTs available for Murata 2AB.
​According to the 2AB datasheet, there is one UART, but the nRF52340 datasheet shows two UARTs.
Can 2AB use two UARTs?

Best Regards,
Tsutsumi

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  • +1

    Hi,

    The nRF5340 SoC supports upto 4 UART instances. But the nRF5340DK supports only 2 UART instances depending on the hardware pin mappings etc. So maybe owing to their hardware layout and GPIO pin mapping, for the Murata 2AB, there might only be support for one UART (which seems to be the case, looking into their datasheet). But for a better picture I would suggest you to contact their support forum.

    Regards,

    Priyanka

Reply
  • +1

    Hi,

    The nRF5340 SoC supports upto 4 UART instances. But the nRF5340DK supports only 2 UART instances depending on the hardware pin mappings etc. So maybe owing to their hardware layout and GPIO pin mapping, for the Murata 2AB, there might only be support for one UART (which seems to be the case, looking into their datasheet). But for a better picture I would suggest you to contact their support forum.

    Regards,

    Priyanka

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