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STM32L1 internal EEprom (user data in NVM)

Question asked by ferraro.francesc.001 on May 29, 2016
Latest reply on Jun 2, 2016 by Nesrine M
In STM32L1 how works the internal small EEPROM? (The Data EEPROM memory block. It contains user data)
For example the Page 0 0x0800 0000 - 0x0800 00FF = 256 bytes, to use it must be first erased?
For write is DATA_EEPROM_FastProgramWord(,,) in stm32l1xx_flash.c the correct EEprom firmware function?
After reset, Data EEPROM block are not accessible in write mode?
My doubt is: in the STM32L1 there is a real NVM and then it is useless to use "EEPROM emulation microcontrollers (AN2594)"