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4.5.1. MPU Type Register

The MPU_TYPE register indicates whether the MPU is present, and if so, how many regions it supports. See the register summary in Table 4.25 for its attributes. The bit assignments are:

Table 4.26. MPU_TYPE register bit assignments

Indicates the number of supported MPU instruction regions.

Always contains 0x00. The MPU memory map is unified and is described by the DREGION field.


Indicates the number of supported MPU data regions:

0x00 = Zero regions if your device does not include the MPU.

0x08 = Eight regions if your device includes the MPU.

[7:1]- Reserved.

Indicates support for unified or separate instruction and date memory maps:

0 = unified.

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