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About a VIL level of VDD_SNVS_IN for i.MX7Solo

Question asked by yuuki on Jun 29, 2017
Latest reply on Jun 29, 2017 by Artur Petukhov

Dear all,


Would you tell me the VIL specification of VDD_SNVS_IN of i.MX7Solo?


We use Tamper function of i.MX7Solo.
We understand that all SNVS_LP registers are reset by POR.

However, even if i.MX7 is powered off, these value seems to be left during several hundred milliseconds.
When power supply is turned ON/OFF at very short time, these value remain.
(ET1_EN bit=1, ET2_EN bit=1, ET3_EN bit=1, ET1D=1, ET2D=1, ET3D=1)


We found VDD_SNVS_IN voltage falling slowly, when a power supply was turned off.


We want to know the VIL specification of VDD_SNVS_IN to reset SNVS_LP register certainly.
We referred to a data sheet, but were not able to find it.


Best Regards,