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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

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




Sub type

Indicates that the sub-type of the processor is core. This value is 0x1.


Main class

Indicates that the main class of the processor is debug logic. This value is 0x5.