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PMM Registers
297
SPNU563A–March 2018
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Power Management Module (PMM)
5.4.12 Global Status Register (GLOBALSTAT)
Figure 5-14. Global Status Register (GLOBALSTAT) (offset = A8h)
31 16
Reserved
R-0
15 1 0
Reserved PMCTRL IDLE
R-0 R-1
LEGEND: R = Read only; -n = value after reset
Table 5-13. Global Status Register (GLOBALSTAT) Field Descriptions
Bit Field Value Description
31-1 Reserved 0 Reads return 0. Writes have no effect.
0 PMCTRL IDLE State of PMC and all PSCONs. The PMM captures the status of PMC and PSCONs as they do not
have a register interface to the host CPU.
0 PMC and PSCONs for all power domains are in the process of generating power state transition
control sequence for logic and/or SRAM.
1 PMC and PSCONs for all power domains have completed generating power state transition control
sequence triggered by PMC input control signals.
5.4.13 PSCON Diagnostic Compare Key Register (PRCKEYREG)
Figure 5-15. PSCON Diagnostic Compare Key Register (PRCKEYREG) (offset = ACh)
31 16
Reserved
R-0
15 4 3 0
Reserved MKEY
R-0 R/WP-0
LEGEND: R/W = Read/Write; R = Read only; WP = Write in privileged mode only; -n = value after reset
Table 5-14. PSCON Diagnostic Compare Key Register (PRCKEYREG) Field Descriptions
Bit Field Value Description
31-4 Reserved 0 Reads return 0. Writes have no effect.
3-0 MKEY Diagnostic PSCON Mode Key. The mode key is applied to all individual PSCON compare units.
Read in User and Privileged mode returns the current value of MKEY. Write in Privileged mode only.
0 Lock Step mode
6h Self-test mode
9h Error Forcing mode
Fh Self-test Error Forcing Mode
All others Lock Step mode
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