Master-slave data transmission system employing a flexible singl

Details Master-slave data transmission system employing a flexible singl Master-slave data transmission system employing a flexible singl

1993-05-13

1996-02-27

Peng, John K.

Communications: electrical

Continuously variable indicating

Plural transmitters

34082552, 370101, 370107, G08C 1508

Patent

active

054952409

ABSTRACT:
A master-slave data transmission system employs a flexible single-wire bus and where any master unit can send data to or read data from any slave at a single time. Data transfer is accomplished by means of a flexible message format having a variable-length address section and a variable-length data section, with the beginning and end of the individual message sections being defined by labels, and a fixed bit clock being transmitted for a given interval before and/or after the message. During multiple master operation, a priority control arrangement prevents two or more masters from accessing the single-wire bus at the same time.

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