Embedded Protocol – One Wire



  • Above image link
  • One wire protocol is serial communication protocol
  • Its developed by Dallas Semiconductor.

Data Frame

Reset    | Presense pulse    | Read ROM | Device/Family ID    | Serial Number| CRC

CRC Explanation

The most commonly used polynomial lengths are:

  • 9 bits (CRC-8)
  • 17 bits (CRC-16)
  • 33 bits (CRC-32)
  • 65 bits (CRC-64)

Reference :


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