nRF52833 pin configuration

[Theja]

Hello Devzone,

I'm using a nRF52833DK right now, and it uses 73 pins for SOC. If I want to go to 40 pins, I'm having trouble figuring out which pins are for peripherals like spi and i2c.
We can choose the nrf52833DK board directly in build configurations for development kit, and by default, all peripheral pins are assigned (which is of 73 pins).
When I choose the DK board in the build settings for the 40-pin SOC, several peripheral pins are absent as well. For example, the SPI MISO 1.08 gpio pin is not present in the 40-pin set. Therefore, I was wondering which pin to assign if I wanted to alter the pin for spi1. Despite browsing the website, I couldn't locate anything regarding pin assignments.

Thanks in advance.

[Simonr]

Hi

If SPIM0, SPIM1, or SPIM2 is used with 8 Mbps data rate, the recommended GPIOs for the clock signal (SCK) are P1.09, P0.04, and P0.31. These should all be available on the QFN 40 package of nRF52833. This is stated in the nRF52833 PS pin assignments section for reference.

Best regards,

Simon