用于设置 ECK_DIS 和安全位 71M65XX 预防措施

摘要： 本文描述硬件和固件设置位 I/O RAM 中的 ECK_DIS 和/或设置位特殊功能的安全注册的 Teridian 的单站点和多相电度表 (SFR) 区域时必须采取的防范措施 ICs。此外，这篇文章讨论了擦除方法和编程时 ECK_DIS 位的 flash 和/或安全的位被设置。

71M65XX
Energy Meter ICs
A Maxim Integrated Products Brand
APPLICATION NOTE

AN_65XX_005 NOVEMBER 2010

71M65XX Precautions for Setting ECK_DIS and SECURE Bits
This document describes hardware and firmware precautions that have to be taken when setting the ECK_DIS bit
in I/O RAM and/or when setting the SECURE bit in the SFR area of the 71M651X and 71M652X Energy Meter chip
family.
In addition, methods are described for erasing and reprogr