71M65XX Precautions for Setting ECK_DIS and SECURE Bits

Abstract: This document describes hardware and firmware precautions that must be taken when setting the ECK_DIS bit in I/O RAM and/or setting the SECURE bit in the special-function register (SFR) area of Teridian's single- and polyphase energy-meter ICs. In addition, the article discusses methods for erasing and reprogramming the flash when the ECK_DIS bit and/or the SECURE bit are set.

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APP 4890:
APPLICATION NOTE 4890,AN4890, AN 4890, APP4890, Appnote4890, Appnote 4890