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Leveraging non-volatile memory services in MAXQ processors

Posted: 16 Feb 2009 ?? ?Print Version ?Bookmark and Share

Keywords:memory non-volatile? processors MAXQ? EEPROM serial?

Most applications that require a microcontroller also require some mechanism to store settings that will be remembered even when power is removed. A radio, for example, that forgets its station presets when the battery is changed will not be successful in today's marketplace. Customers expect favorite stations, temperature presets, preferences and other persistent information to be saved from one use to the next.

To meet this customer expectation for non-volatile data storage, designers traditionally use a serial EEPROM. These EEPROM devices are small, inexpensive, and have a long history that makes the design engineer comfortable with their use. But in today's cost-sensitive marketplace, adding even an inexpensive EEPROM device to a design can break the budget.

This application note describes how to provide non-volatile data storage by using only the flash memory already available in the MAXQ microcontrollers.

View the PDF document for more information.

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