Interface Standard for Digital Time Division Command/Response Multiplex Data Bus


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MIL-STD-1553 Manchester Encoding

MIL-STD-1553 is a DOD Military (MIL) Standard (STD), which defines both the Mechanical, Electrical, and Functional characteristics.
MIL-STD-1553 uses Manchester II Bi-Phase L bit encoding. Manchester Encoding translates a '1' into a low to high transition [01], and a '0' is translated into a high to low transition [10].
Also called Biphase Code.

Manchester code: A code in which the data and clock signals are combined to form a single self synchronizing data stream, each encoded bit contains a transition at the midpoint of a bit period.
The direction of transition determines whether the bit is a “0” or a “1,” and the first half is the true bit true bit value. This contrasts with non-return-to zero.
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MIL-STD-1553 Manchester Encoding

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Additional Manchester Encoding Diagrams, or Encoding Terms

USAF C-17 Aircraft

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