Firmware is the permanent software stored in a hardware device's non-volatile memory, such as ROM, flash memory, or EPROM. Unlike software that can be altered or deleted by the user, firmware is directly linked to the hardware it controls and is typically designed to perform low-level operations. For devices like the LDDH350AA75, firmware is essential for enabling the device to operate as intended, providing a bridge between the hardware components and higher-level software applications.
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