Power Domain Controller

The Power Domain Controller provides several ways of how power domains are handled while the device is in Standby mode or entering Standby mode:

The static and dynamic power gating features are fully transparent for the user.

Table 1. Sleep Modes versus Power Domain States Overview
  Power Domain State
Sleep Mode PDSW PDAO
Active active active
Idle active active
Standby - At least one peripheral from PDSW with RUNSTDBY = 1 OR PDCFG = 1 active (1) active
Standby - No peripheral from PDSW with RUNSTDBY = 1 retention active
Off off off
  1. 1.PDSW can be switched automatically in retention mode if the dynamic power gating feature is enabled.