2021-08-06 4:59 AM
2021-08-11 6:36 AM
Maybe you search this STSW-STM32066 - EEPROM emulation in STM32F40x/STM32F41x microcontrollers (AN3969) - STMicroelectronics
and FYI some other STM32 have real internal little eeprom as Atmel. But emulation is usable on all.
2021-08-12 1:52 AM