SEP0611 power management driver design schematic

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Overview:
The SEP0611 power management driver described in this article enables the system to enter the sleep mode code to save the chip state and self-refresh DDR; the code that causes the system to exit the sleep mode is responsible for causing the DDR to exit the self-refresh state and restore the chip state, so that the system returns to the normal mode. The accuracy of the driver is verified by letting the system go to sleep on the test board and wake up the system while testing the current values ​​of the circuits before and after the system is hibernated.
(Please read the PDF for details)