Digital video disk ROM interfacing apparatus and method thereof
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United States of America Patent
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Sep 12, 2000
Grant Date -
N/A
app pub date -
Dec 30, 1997
filing date -
Dec 30, 1996
priority date (Note) -
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Abstract
In an ATAPI device and method for interfacing a digital video disk signal processor with a data processor, a digital video disk ROM interfacing apparatus controls data transmission from the digital video disk signal processor to the ATAPI interfacing apparatus such that a plurality of bytes of data are transmitted for each data transmission request. In the digital video disk ROM interfacing apparatus, a byte designator stores a number of designated units which is the number of data units which are to be transmitted once. A counter up-counts when a data unit is transmitted and outputs a number of transmitted units. A comparator compares the number of designated units output by the byte designation means with the number of transmission units output by the counter. A data request signal generator requests data transmission to the digital video disk signal processor according to a comparison result from the comparator.
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