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LPC4357 ADC Issue

Question asked by Danish Shaikh on Apr 26, 2017
Latest reply on May 5, 2017 by Danish Shaikh



We have used two out of eight dedicated pins of internal ADC of lpc4357 controller and remaining six pins are left unconnected. But while operating at 55 deg temperature one adc pin got latched to 3.3 V.

Even resetting the controller and strong pull down at adc pin doesn't affect, the pin was continuously latched to 3.3 V. Then we have directly shorted adc pin with ground and So it started working. Can any one tell what will be the reason for these wired scenario?



Thanks in advance!