Byteflight is an automotive databus created by BMW and partners

Motorola Motorola, Inc. () was an American multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent public companies, Motorol ...

Elmos Semiconductor Elmos Semiconductor SE is a German manufacturer of semiconductor products headquartered in Dortmund, North Rhine-Westphalia, Germany. Elmos supplies automotive application-specific integrated circuits (ASICs). Processes Elmos has four high v ...

and

Infineon Infineon Technologies AG is a German semiconductor manufacturer founded in 1999, when the semiconductor operations of the former parent company Siemens AG were spun off. Infineon has about 50,280 employees and is one of the ten largest semicond ...

to address the need for a modernized safety-critical, fault tolerant means of electronic communication between automotive components. It is a message-oriented protocol. As a predecessor to FlexRay, byteflight uses a hybrid synchronous/asynchronous TDMA based means of data transfer to circumvent deficiencies associated with pure event-triggered databuses. It was first introduced in 2001 on the BMW 7 Series (E65).

Eclipse 500 The Eclipse 500 (model EA500) is a very light jet (VLJ) originally produced by Eclipse Aviation of Albuquerque, New Mexico, United States. The company was founded in 1998 to develop the 1997 Williams V-Jet II demonstrator. The prototype firs ...

jet aeroplanes use Byteflight to connect the avionics displays.Eclipse 500 Avionics Architecture diagram in

Data frame

In Byteflight terminology, a data frame is called a ''telegraph''. A telegraph starts with a start sequence containing six dominant bits. This start sequence is followed by a one byte message identifier. This is followed by a length field indicating the length in bytes of the transmitted data. The telegraph ends with a 15 bit CRC value encoded in two bytes leaving the LSB unused. All bytes are framed by a recessive start bit at the beginning and a dominant stop bit at the end.

References

External links

byteflight website
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