nrf52 connect to my own MPU

[Cindy]

Hi

I'm really new in this field, I just had the nrf52 DK. Our team has a mature product but we want a Bluetooth feature on it. I know Nordic chip works as MCU+bluetooth, so now if I want to add Nordic to our MPU what kind of communication protocol should I use, plus I checked the schematic of nrf52 DK, there's an external MCU on it and it didn't seem to connect to the nrf52832? (maybe I'm wrong about it)

Can anyone help? And please correct if what I said is inaccurate.

Cindy

[Turbo J]

Cindy said:

nrf52 DK, there's an external MCU on it and it didn't seem to connect to the nrf52832

Clean your glasses and re-read the schematic...

There are 2 connections between these MCUs: SWD and UART. The additional µC is the JLink used for programming and debugging.

You could use UART, SPI or I2C in order to connect the NRF chip to another MCU.

[awneil]

Turbo J said:

You could use UART, SPI or I2C

Indeed.

And, if you use an nRF52840, you could also use USB ...

...

[Cindy]

thanks.

Cindy