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3.4.31. ID Register 1

The TRCIDR1 characteristics are:

Purpose

Indicates the basic architecture of the ETM-R7.

Usage constraints

There are no usage constraints.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 3.1 and Table 3.5.

Figure 3.37 shows the TRCIDR1 bit assignments.

Figure 3.37. TRCIDR1 bit assignments

Figure 3.37. TRCIDR1 bit assignments

Table 3.47 shows the TRCIDR1 bit assignments.

Table 3.47. TRCIDR1 bit assignments
BitsNameFunction
[31:24]DESIGNER

Indicates the designer of the trace unit:

0x41

ASCII code for A, indicating ARM.

[23:16]-RAZ/WI
[15:12]-RAO/WI
[11:8]TRCARCHMAJ

Major trace unit architecture version number:

b0100

ETMv4.

[7:4]TRCARCHMIN

Minor trace unit architecture version number:

b0000

Minor revision 0.

[3:0]REVISION

Implementation revision number:

b0001

Implementation revision 1.


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