3.3.2 Subsystem components

The following diagram gives an overview of the IoT subsystem in Cortex®-M3 DesignStart™ Eval:

Figure 3-2 Cortex-M3 DesignStart Eval IoT subsystem
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The ports of the IoT subsystem in the example system are connected as follows:

  • The debug port is routed to the baseboard. It is connected to the USB port using the CMSIS-DAP protocol.
  • The trace port is routed to the baseboard connector.
  • One AHB master port is used for peripherals.
  • One AHB master port is unused.
  • One AHB slave port is used for the Motherboard Configuration Controller (MCC) for code download.
  • One AHB slave port is unused.
  • Six APB master ports that are used for closely coupled peripherals.
  • Three APB master ports that are reserved for memory system and flash control.
  • Five APB master ports that are unused.
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