Nordic Semi's nRF54LM20A is a new Cortex-M33-based high-memory wireless MCU part of the nRF54L Series with double the SRAM and higher flash capacity ...
If SPI is not already enabled, load it on boot: Using pin 15/GPIO 22 for CE, pin 24/GPIO8 (CE0) for CSN Can use either RPi CE0 or CE1 pins for radio CSN. Choose any RPi output pin for radio CE pin.