Emmc Cid Decoder -

eMMC CID Decoder: Understanding the Card Identification

  1. Extract MID → byte 15 → look up in JEDEC manufacturer table.
  2. Extract PNM → bytes 11 to 8 (inclusive) → treat as ASCII, strip trailing spaces.
  3. Extract PRV → byte 7 → high nibble = major BCD, low nibble = minor BCD.
  4. Extract PSN → bytes 6,5,4 → 24-bit integer → convert to decimal or hex.
  5. Extract MDT → bytes 3 (high nibble) + byte 2 (low 12 bits):

    In this article, we will dive deep into what the eMMC CID is, how to extract it, how to decode it manually, and why you might need a decoder in the first place.

    The eMMC CID Decoder: Unlocking the Secrets of Embedded Memory Cards

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