2.2 Clocks

This section describes the clocks that are used in the SDC-600.

Table 2-1 Clocks used in SDC-600

Clock Description
PCLK

Used by the:

  • External APBCOM.
  • External APBCOM for Integrated Cortex-M DAP.
  • Internal APBCOM.

It is the clock of the related APB infrastructure.

DAPCLK Used by the COM-AP module. It is the clock of the related DAP bus infrastructure.
CLK Used by the Debug Splitter, and is also its interface clock for all of its AHB and APB buses.

Note:

This clock must be the same clock as the PCLK on the External APBCOM for Integrated Cortex-M DAP module, as domain crossing is not handled inside the Debug Splitter.
CLK_INT Used by the bridge modules on their respective sides.
CLK_EXT
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