13.2 Features

The following are key features of the Device Service Unit (DSU):

  • CPU Reset Extension
  • Debugger Probe Detection (Cold- and Hot-Plugging)
  • Chip-Erase Command and Status
  • 32-Bit Cyclic Redundancy Check (CRC32) of any Memory Accessible through the Bus Matrix
  • Arm® CoreSight Compliant Device Identification
  • Two Debug Communications Channels with DMA Connection
  • Debug Access Port Security Filter
  • Onboard Memory Built-in Self-test (MBIST)