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start bit

The start bit forms a character-discrete synchronization element in asynchronous transmission and in start-stop operation

, which is located before the information bits.

Asynchronous start-stop operation

Asynchronous start-stop operation

The start bit identifies the start of an asynchronous data frame as a single bit or as a bit combination of several bits and is used by the data terminal equipment (DTE) for its synchronization. Such a data frame usually comprises eight information bits to represent one byte. An asynchronous character frame is terminated by the stop bit, which follows the parity bits.

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Englisch: start bit
Updated at: 25.05.2011
#Words: 65