Generally, most regulators have a PG or PWRGOOD output that can be used by the system to know when it's safe to start booting.
With the digital signals on the STPMIC1, are there ones that could be configured to serve this purpose?
If not, I was considering using one of the LDOs, setting it to my digital voltage value, and pulling up my PWRGOOD input via a pull-up resistor. Also, I would put it in the last rank so that I knew all other voltages had adequate time to be stable.
Please let me know if there are better ideas.
Thanks,
Tom
