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3.3.38. 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.

Configurations

Present in all configurations.

Figure 3.38 shows the DEVTYPE Register bit assignments.

Figure 3.38. DEVTYPE Register bit assignments

Figure 3.38. DEVTYPE Register bit assignments

Table 3.39 shows the DEVTYPE Register bit assignments.

Table 3.39. DEVTYPE Register bit assignments
BitsNameFunction
[31:8]Reserved

Reserved.

[7:4]Sub_Type

The following sub-classifications exist within the major category:

0x2

When configured as an ETB or ETR, this component captures the trace data into RAM that can be drained through APB.

0x3

When configured as an ETF, this component captures the trace data from the ATB slave interface into RAM that can be drained through the ATB master interface.

[3:0]Major_Type

The following are the major classification groups for this debug or trace component:

0x1

When configured as an ETB or ETR, this component is a trace sink.

0x2

When configured as an ETF, this component is a trace link because it has an ATB master interface through which trace data can be drained out in Hardware FIFO mode.


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