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3.3V Neuron LVI feature | Cypress Semiconductor

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3.3V Neuron LVI feature

Last Updated: December 25, 2011

Why does the 3.3V Neuron have an inbuilt LVI circuit. Can an external Reset stretching LVI be used?


The on-chip Low Voltage Inhibit circuit trips the chip's reset circuit when the supply voltage drops below the set value. The reset pin is an inout pin and can be used to reset any component on board. This eliminates the need to have an external LVI reset stretching circuit, thus saving cost.

If so desired an external LVI reset stretching circuit can be used. The internal LVI circuit has an option to be disabled.

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