3.11.25. Device Type Identifier register

The DEVTYPE register characteristics are:

Purpose

Provides a debugger with information about the component when the Part Number field is not recognized. The debugger can then report this information.

Usage constraints

There are no usage constraints.

Configurations

This register is available in all configurations.

Attributes

See the register summary in Table 3.79.

Figure 3.97 shows the bit assignments.

Figure 3.97. DEVTYPE register bit assignments

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Table 3.104 shows the bit assignments.

Table 3.104. DEVTYPE register bit assignments

BitsNameFunction
[31:8]Reserved

-

[7:4]SUB

Sub-classification of the type of the debug component as specified in the ARM® CoreSight™ Architecture Specification within the major classification as specified in the MAJOR field.

0b0010

This component is a trace buffer, ETB.

[3:0]MAJOR

Major classification of the type of the debug component as specified in the ARM® CoreSight™ Architecture Specification for this debug and trace component.

0b0001

This component is a trace sink component.


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