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13.8.36. ID Register 5

The TRCIDR5 characteristics are:

Purpose

Returns how many resources the trace unit supports.

Usage constraints

There are no usage constraints.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 13.3.

Figure 13.38 shows the TRCIDR5 bit assignments.

Figure 13.38. TRCIDR5 bit assignments

Figure 13.38. TRCIDR5 bit assignments

Table 13.39 shows the TRCIDR5 bit assignments.

Table 13.39. TRCIDR5 bit assignments
BitsNameFunction
[31]REDFUNCNTR

Reduced Function Counter implemented:

0

Reduced Function Counter not implemented.

[30:28]NUMCCNTR

Number of counters implemented:

0b010

Two counters implemented.

[27:25]NUMSEQSTATE

Number of sequencer states implemented:

0b100

Four sequencer states implemented.

[24]-

Reserved, res0.

[23]LPOVERRIDE

Low power state override support:

1

Low power state override support implemented.

[22]ATBTRIG

ATB trigger support:

1

ATB trigger support implemented.

[21:16]TRACEIDSIZE

Number of bits of trace ID:

0x07

Seven-bit trace ID implemented.

[15:12]-

Reserved, res0.

[11:9]NUMEXTINSEL

Number of external input selectors implemented:

0b100

Four external input selectors implemented.

[8:0]NUMEXTIN

Number of external inputs implemented:

0x1E

30 external inputs implemented.


The TRCIDR5 can be accessed through the external debug interface, offset 0x1F4.

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