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Power Group Control register for power managing ranks together. The ranks that are CKE-tied together as represented in cke_remap_control register should belong to the same power-group Access restrictions: RO Can be read from when in ALL states. Cannot be written to and only updated when in CONFIG, LOW-POWER or PAUSED states.
The power_group_control_31_00_now register characteristics are:
There are no usage constraints.
There is only one DMC configuration.