The processing system includes a multicore application processing unit (APU) and a multicore real-time processing unit (RPU). The platform loader and management software configures and manages these multi-processor subsystems.
The APU is a dual-core processing unit based on the Arm® Cortex®-A72 CPU cores. See Application Processing Unit
The RPU is a dual-core processing unit based on the Arm Cortex-R5F2 CPU cores with lockstep support. See Real-time Processing Unit