Electronic device having one-time-programmable (OTP) memory and method for writing and reading OTP memory

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United States of America Patent

PATENT NO 11494262
APP PUB NO 20220276926A1
SERIAL NO

17324638

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Abstract

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An electronic device having a one-time-programmable (OTP) memory and a method for writing and reading an OTP memory are provided. The electronic device is adapted to perform the method for writing and reading an OTP memory. The electronic device includes an OTP memory, an internal memory, and a processor. The processor is configured to write an original value into the OTP memory as a burnt code and read the burnt code from the OTP memory. When the burnt code is not identical to the original value, the processor obtains a checksum according to the original value, the burnt code, and a check operation process, and stores the checksum into the internal memory. Upon receipt of a reading request, the processor executes a recovery operation process according to the burnt code and the checksum to generate the original value.

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Patent Owner(s)

  • REALTEK SEMICONDUCTOR CORP.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Ming-Rui Hsinchu, TW 3 0
Song, Liang-Liang Hsinchu, TW 3 0

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