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4.3.2. CPUID Register

The CPUID register contains the processor part number, version, and implementation information. See the register summary in Table 4.9 for its attributes. The bit assignments are:

Table 4.10. CPUID register bit assignments

Implementer code:

0x41 = ARM.


Major revision number n in the npm revision status:

0x0 = Revision 0.


Constant that defines the architecture of the processor:

0xC = ARMv6-M architecture.


Part number of the processor:

0xC60 = Cortex-M0+.


Minor revision number m in the rnpm revision status:

0x1 = Patch 1.

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