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The REVIDR provides implementation-specific minor revision information that can only be interpreted in conjunction with the MIDR.
The following figure shows the REVIDR bit assignments.
The following table shows the REVIDR bit assignments.
Table 4-21 REVIDR bit assignments
|[31:0]||ID number||Implementation-specific revision information. The reset value is determined by the specific Cortex®‑R8 processor implementation.|
To access the REVIDR, read the CP15 register with:
MRC p15,0,<Rd>,c0,c0,6 ; read Revision ID register