Firmware
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In computing, firmware is software that provides low-level control of computer hardware. For a relatively simple device, firmware may perform all control, monitoring and data manipulation functionalit
Firmware is commonly stored in an EEPROM or Flash memory, which makes use of an I/O protocol such as SPI.
ROM BIOS firmware on a Baby AT motherboard
Updating the firmware of a Fuji Instax camera
EEPROM
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EEPROM or E2PROM is a type of non-volatile memory. It is used in computers, usually integrated in microcontrollers such as smart cards and remote keyless systems, or as a separate chip device, to stor
Firmware
…inside each of these larger systems. Firmware is stored in non-volatile memory – either read-only memory (ROM) or programmable memory such as EPROM, EEPROM, or flash. Changing a device's firmware stored in ROM requires physically replacing the memory chip or the device itself. Programmable firmware memory…
STMicro M24C02 I²C serial type EEPROM
Atmel AT93C46A die
AT90USB162 MCU integrates 512 Byte EEPROM
Inside of a SIM card