PWRHLD, LPM and HPM define different power states.
Other logic combinations of PWRHLD, LPM and HPM (after HPM unmasking) are forbidden.
The initial state is the OFF state (shutdown).
| PWRHLD | LPM | HPM | Buck1 | Buck2 | Buck3 | Buck4 | LDO1 | LDO2 | nRSTO | Power State |
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | OFF | OFF | OFF | OFF | OFF | OFF | LOW | OFF |
| 0 | 1 | 0 | OFF | ON Auto PFM |
OFF | OFF | OFF | OFF | LOW | HIBERNATE |
| 1 | 1 | 0 | ON Auto PFM |
ON Auto PFM |
ON Auto PFM |
ON Auto PFM |
ON | OFF | High-Z |
Low-Power mode 1 (default Low-Power mode) |
| OFF |
Low-Power mode 2 (achieved through I2C programming) |
|||||||||
| 1 | 0 | 0 | ON FPWM |
ON FPWM |
ON FPWM |
ON FPWM |
ON | OFF | High-Z | Active |
| 1 | 0 | 1 | ON FPWM |
ON FPWM |
ON FPWM |
ON FPWM |
ON | OFF | High-Z | High-Performance Active |