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The RAM Read Pointer Register contains the value of the read pointer that is used to read entries from trace memory over the APB interface. Software must program it before enabling trace capture.
The RRP register characteristics are:
The following figure shows the bit assignments.
The following table shows the bit assignments.
Table 9-294 RRP register bit assignments
Read-As-Zero, Writes Ignored.
The RRP width depends on the size of trace memory and is given by log2(MEM_SIZEx 4). The remaining MSBs of the 32-bit register are of type RAZ/WI.