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Implementing Nonvolatile, Nonresettable Counters for Embedded Systems

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Abstract: For warranty reasons it is desirable to count certain events such as power cycles, operating time, hard (pushbutton) resets, and timeouts. Although digital counters are easy to build, it is not that obvious how to make them nonvolatile and nonresettable. This article explains how to use the EPROM-emulation mode of readily available serial EEPROMs together with an unusual coding scheme to solve the problem.
Maxim > Design support > App notes > 1-Wire Devices > APP 5042
Maxim > Design support > App notes > Memory > APP 5042

Keywords: digital counter, nonvolatile, nonresettable, NV, EPROM emulation mode, EEPROM, EPROM, eeprom, eprom

Jun 08, 2011
APPLICATION NOTE 5042
Implementing Nonvolatile, Nonresettable Counters for Embedded
Systems
By: Bernhard Linke, Principal Member Technical Staff

Abstract: For warranty reasons it is desirable to count certain events such as power cycles, operating time, hard (pushbutton) resets,
and timeouts. Although digital counters are easy to build, it is not that obvious how to make them nonvolatile and nonresettable. This
article explain……
标签:MaximdigitalcounternonvolatilenonresettableNVEPROMemulationmodeEEPROMEPROMeepromeprom
Implementing Nonvolatile, Nonresettable Counters for Embedded Systems
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