Cortex-A8 Technical Reference Manual: 12.5.11. Device Type Register

The Device Type Register is a read-only register that indicates the type of debug component.

Figure 12.28 shows the bit arrangement of the Device Type Register.

Figure 12.28. Device Type Register format

Table 12.43 shows how the bit values correspond with the Device Type Register functions.

Table 12.43. Device Type Register bit functions

Bits	Field	Function
[31:8]	-	RAZ.
[7:4]	Sub type	Indicates that the sub-type of the processor is core. This value is `0x1`.
[3:0]	Main class	Indicates that the main class of the processor is debug logic. This value is `0x5`.

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