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What is the importance of the internal regulators on LPC176x? Specifically, what is the accuracy of the internal regulators?

Question asked by LPCware Support on Mar 31, 2016

The internal voltage regulator will convert the external 3.3V to 1.8V. The 1.8V regulator powers the core domain, PLL, main oscillator, IRC with low power consumption.

As a result, the device is single supply device since the IOs supply shares the same range as the regulator supply input.

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