9 RAM Read Pointer register, RRP

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:

Attributes
Offset

0x0014

Type

Read-write

Reset

0x--------

Width

32

The following figure shows the bit assignments.

Figure 9-323 RRP register bit assignments
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The following table shows the bit assignments.

Table 9-335 RRP register bit assignments

Bits Reset value Name Function
[31:0] UNKNOWN RRP

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.

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