Does DM643x chip have sleep mode?

Hello,

I have one question on DM643x DSPs.

How can I do to effectively control power consumption when the DSP is not used? Can the chip turn itself off, something like hibernation or sleep for a laptop, and then wakes itself up after a preset time?

Or DM643x DSPs don’t have such functionality built in? If this is the case, how can power consumption be controlled? Consider the extreme case: if someone puts DM643x chip into a high-end smart phone, can he allow the chip to consume battery power even when it is not used?

Thanks,

Zheng