Since the nRF5340 has secure domain, we should specifically use the non-secure RAM for this purpose. Excerpt from nrf5340_cpuapp_partition_conf.dtsi /* Default SRAM planning when building for nRF5340 ...

This is a demo for Bluetooth LE on nRF5340. Nordic libble controller s140 is used in this demo. Current status: advertising, establishing connection and pairing works fine. Re-pair after successful ...