METHOD AND CIRCUIT FOR DECIDING NUMBER OF TRANSFERRING WORDS

PURPOSE:To reduce the signal propagation delay time by selecting one of 3 display values with an output signal and using the selected value as the number of words received via a data transfer system. CONSTITUTION:A byte number received via a data transfer system is set in a byte number register 2 an...

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Bibliographic Details
Main Authors OKADA KATSUYUKI, SHIBATA YUJI, OKAZAKI MAKOTO, ISHIKAWA YASUHIRO
Format Patent
LanguageEnglish
Published 26.03.1991
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:PURPOSE:To reduce the signal propagation delay time by selecting one of 3 display values with an output signal and using the selected value as the number of words received via a data transfer system. CONSTITUTION:A byte number received via a data transfer system is set in a byte number register 2 and a head byte address is set to an address register 4. Then the number of transferred words output control discrimination value of the registers 2, 4 is used by a discrimination circuit 8, from which a 1st transferred words output control signal for output control of a word number display value of the byte number register 2 and a 2nd transferred words output control signal for the output control of word number display value +2 are outputted. The deciding circuit 8 outputs a signal selecting any of a word number display value, a word number display value +1 and a word number display value +2. Thus, the number of circuit components is reduced and the signal propagation delay time is reduced.
Bibliography:Application Number: JP19890206406