2.7.4.1 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 2-71 for its attributes. The bit assignments are:

Figure 2-45. MPU_TYPE Register Bit Assignments

Table 2-72. MPU_TYPE Register Bit Assignments
Bits	Name	Function
[31:24]		Reserved.
[23:16]	IREGION	Indicates the number of supported MPU instruction regions. Always contains 0x00. The MPU memory map is unified and is described by the DREGION field.
[15:8]	DREGION	Indicates the number of supported MPU data regions: 0x08=Eight MPU regions.
[7:0]		Reserved.
[0]	SEPARATE	Indicates support for unified or separate instruction and date memory maps: 0: unified