9 System Power Status Register 1, SYSPSR1

Indicates the power status for a system domain.

The SYSPSR1 register characteristics are:

Attributes
Offset

0x0B84

Type

Read-write

Reset

0x00000000

Width

32

The following figure shows the bit assignments.

Figure 9-200 SYSPSR1 register bit assignments
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The following table shows the bit assignments.

Table 9-208 SYSPSR1 register bit assignments

Bits Reset value Name Function
[31:2] 0x0 SBZ

Software should write the field as all 0s.

[1:0] 0b00 PR

Power status.

0x0

System domain n might not be powered.

0x1

System domain n is powered.

0x2

Reserved.

0x3

System domain n is powered and must remain powered until DBGPCRn.PR=0.

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