SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
Step | Register/Bit Field/Programming Model | Value |
---|---|---|
Select target low-power state of the power domain. Not all states are programmable. | PM_<Power Domain name>_PWRSTCTRL[1:0] POWERSTATE | 0x1: RETENTION |
Force power domain low-power state transition. | PM_<Power Domain name>_PWRSTCTRL[4] LOWPOWERSTATECHANGE | 0x1: Force change |
Wait until state change is complete. | PM_<Power Domain name>_PWRSTCTRL[4] LOWPOWERSTATECHANGE | 0x0: Change complete |
Get current power state. | PM_<Power Domain name>_PWRSTST[1:0] POWERSTATEST | 0x1: RETENTION |