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71M65XX Precautions for Setting ECK_DIS and SECURE Bits

キーワード: single-phase energy metering, polyphase energy metering, I/O RAM, energy meter, special-function register, SFR, Teridian
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アプリケーションノート 4890

71M65XX Precautions for Setting ECK_DIS and SECURE Bits


要約: 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.