16.2 Features

The following are key features of the DSU module:

  • Arm® CoreSight™ compliant device identification
  • Microchip device identification
  • CPU reset extension
  • Debugger probe detection (Cold-Plugging and Hot-Plugging)
  • Two Debug Communication Channels (DCC[0,1] with DMA signaling)
  • Two Boot Communication Channels (BCC[0,1])
  • Supports Debug Authentication and non-secure debug
  • Support for M7 CPU
  • Onboard (global) memory built-in self-test (MBIST)
  • 32-bit cyclic redundancy check (CRC32)