May seem like an odd question, but I was wondering if anyone has an idea what a MCU such as the atmega328 would do if it was programmed for a external xtal such as the typical 16MHz arduino, except in place of the crystal there was just a light resistor (to prevent a direct short) between the pins o…

MCU crystal circuit minus the crystal

jremington November 8, 2017, 6:34pm 2

The crystal also introduces a phase shift, necessary for oscillation.

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