Using the S32K1xx EEPROM Functionality
●There are three methods to implement EEPROM functionality. One is using real EEPROM such as KEA64 which has 256 B EEPROM. The advantage is it doesn't occupy the flash memory. But the disadvantage is, it is expensive. The second method is using software to realize the EEPROM functionality such as KEA8 and KEA128. The advantage is cheap. But the disadvantage is it occupies the flash memory including the extra code for EEPROM realization and the flash memory using to simulate EEPROM. The third method is using firmware to realize the EEPROM functionality such as S32K1xx. The advantage is the realization of EEPROM functionality is absolutely transparent to customer and does not need flash memory to store extra code for EEPROM implementation.
●This application note mainly introduces S32K1xx EEPROM (EEE) functionality feature and usage. The S32K1xx EEPROM (EEE) allows users to configure some of the on-chip flash memory as enhanced EEPROM, additional flash memory, or a combination of the two.
●For detailed information for any reference mentioned during this application note, please refer to S32K1xx Reference Manual and Datasheet.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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May 2019 |
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Rev. 2 |
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AN11983 |
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1.2 MB |
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