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6.6.7 Power Domain Transition Command Register (PTCMD)
6.6.8 Power Domain Transition Status Register (PTSTAT)
www.ti.com PSC Registers
The power domain transition command register (PTCMD) is shown in Figure 6-9 and described in
Table 6-13 .
Figure 6-9. Power Domain Transition Command Register (PTCMD)
31 16
Reserved
R-0
15 1 0
Reserved GO
R-0 W-0
LEGEND: R = Read only; W = Write only; - n = value after reset
Table 6-13. Power Domain Transition Command Register (PTCMD) Field Descriptions
Bit Field Value Description
31-1 Reserved 0 Reserved
0 GO Always On Power domain GO transition command.
0 A write of 0 has no effect.
1 Writing 1 causes the PSC to evaluate all the NEXT fields relevant to this power domain (including the
NEXT bit in the module control n register (MDCTL n) for all the modules residing on this domain). If any
of the NEXT fields are not matching the corresponding current state (the STATE bit in the module status
n register (MDSTAT n)), the PSC will transition those respective domain/modules to the new NEXT
state.
The power domain transition status register (PTSTAT) is shown in Figure 6-10 and described in
Table 6-14 .
Figure 6-10. Power Domain Transition Status Register (PTSTAT)
31 16
Reserved
R-0
15 1 0
Reserved GOSTAT
R-0 R-0
LEGEND: R = Read only; - n = value after reset
Table 6-14. Power Domain Transition Status Register (PTSTAT) Field Descriptions
Bit Field Value Description
31-1 Reserved 0 Reserved
0 GOSTAT Always On Power domain transition status.
0 No transition in progress.
1 Modules in Always On power domain are transitioning. Always On Power domain is transitioning.
SPRUEP9A – May 2008 Power and Sleep Controller (PSC) 73
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