1.1.1 SSE-200 elements

The SSE-200 Subsystem for Embedded drives system architecture and software standardization, and was developed to provide a high-performance computing subsystem that encompasses leading-edge Cortex®-M and TrustZone® technologies.

The solution consists of hardware, software, and software tools to enable the rapid development of IoT System on Chip (SoC) solutions.

The SSE-200 provides the following pre-assembled elements to use as the basis of an IoT SoC:

  • Two Cortex-M33 processors.
  • AMBA® AHB5 bus matrix for internal and expansion buses.
  • System controller.
  • Instruction cache.
  • CoreSight™ debug and trace.
  • CoreLink™ SIE-200 and CMSDK components.
  • SRAM memory.
  • Power, clock, and reset control infrastructure.


  • The SSE-200 is complemented by software libraries that are integrated with the Mbed™ operating system.
  • The provided system components only form part of the finished SoC and Arm expects that the system designers extend and customize the subsystem for their application requirements.
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