Reply by Piotr Wyderski February 21, 20162016-02-21
http://scanlime.org/2008/09/using-an-avr-as-an-rfid-tag/

The hacks are described, but the question is: why there is no
MCU latch-up when any of the ends of the coil connected to
the clock pins goes below GND?

	Best regards, Piotr