Low-power operation is essential for most IoT endpoint devices which typically rely on a battery or on harvested energy.
The SSE-100 is single power domain system and it does not support control of different power domains within the SoC. It does however define the necessary hardware handshake signals that can be connected to a Power Management Unit (PMU) at the SoC level.
SRAM power management is not present in the SSE-100 because SRAM models are outside of the SSE-100 block. Memory power mode support can be implemented at SoC level.
For power-management signals, see Processor control, status, and power management signals.