MIL-STD-1553 Bus

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.
Back to the main MIL-STD-1553 page.


MIL-STD-1553 Bus Manchester Encoding Diagram
MIL-STD-1553 Manchester Encoding


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Additional Manchester Encoding Diagrams, or Encoding Terms

Fight of C-17 Aircraft
USAF C-17 Aircraft

Engineering Design Key words: MIL-STD-1553, MlL/STD/1553B, Coupled,
STANAG 3838AVS, STANAG 7155, DEF STAN 00-18, AS15531, Military, DOD,
Department of Defense, Standard, Transformer, Avionics bus,
Interface Standard for Digital Time Division Command/Response Multiplex Data Bus, Aircraft,
C-17, C-5, C-130, Standard, Specification, Spec, Interface, IC,
Physical Interface, Serial Bus Description, USAF, Fighter Aircraft, Transport,
Balanced Differential dual redundant Interface.
Fly-by-wire, Protocol, Fly-by-Optics


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Last Modified 2/15/10
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