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ROM (Read-Only Memory) in microcontrollers is used to store firmware and essential programs that are critical for the device's operation. This non-volatile memory retains data even when power is lost, ensuring that the microcontroller can boot up and function correctly after being powered off. Additionally, ROM provides a stable environment for the execution of instructions, as its contents cannot be altered during normal operation, enhancing security and reliability in embedded systems.

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1w ago

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