Digital video disk ROM interfacing apparatus and method thereof

Details Digital video disk ROM interfacing apparatus and method thereof Digital video disk ROM interfacing apparatus and method thereof

1997-12-30

2000-09-12

Sheikh, Ayaz R.

Electrical computers and digital data processing systems: input/

Input/output data processing

Data transfer specifying

710 29, G06F 1300

Patent

active

061191779

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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