Hi,
I want to confirm power-sequence as follows:
*1.
My customer is considering the following power sequence on three-supply power-up.
It takes less than 25ms from "Start Power-up on VDDA2P5" to "Stable power on VDDA1P8". Also, VDDA1P8 is started wake-up after 2.5ms from stable 2.5V on VDDA2P5.
Does he has any issue? Although I think no issue, I want to confirm it.
*2.
On his system, VDDIO Supply is used on 1.8V. So VDDIO and VDDA1P8 is same power-up.
Does he has any issue? Although I think no issue, I want to confirm it.
Thanks and best regards,
M.HATTORI.