Circuit arrangement for serial data transfer
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United States of America Patent
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-
Nov 19, 1991
Issued Date -
N/A
app pub date -
Apr 15, 1991
filing date -
Dec 20, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circut arrangement for serial data transfer has a transmitting device with several bit-parallel input information units, a serial data transfer line and a receiving device via which the transferred data are correspondingly converted into bit-parallel output information units to drive control elements or logic circuits. The data to be transferred forms on the data transfer line a data word composed of a start pulse, several information units corresponding to the number of bit-parallel input information units forming a data block, and a defined data pause. By cascading several transmitting and receiving devices of the same kind, the number of bit-parallel, input and output information units can be altered, whereby the data word on the data transfer line is also altered by sequential joining of a corresponding number of data blocks, each having the same number of information units.
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