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For ADUC814, what is the minimum time and level of the reset impulse I need to
ensure a CPU reset? VDD is 4V.


The ADuC814 is specified for DVdd supply of 3V/5V (3V +/-10% and 5V +/-10%). We
only have reset charactisation data for these supply voltages (3V and 5V). The
ADuC814 can operate at DVdd=4V, but we have only specified the ADuC814 for the
commonly used supply voltages of 3V and 5V. The reset levels and timing
specs are provided in the datasheet for 3V and 5V and this will give an
indication for 4V supply but
we do not have any data.