Patent ID: 6119177
Filing Date: 2000-09-12
Classification: G06F

Abstract:
In an ATAPI device for interfacing a digital video disk signal processor with a data processor, a digital video disk ROM interfacing apparatus for controlling data transmission from said digital video disk signal processor to an ATAPI interfacing apparatus, comprising:a byte designator for storing a number of designated units which is the number of data units which are to be transmitted together;a counter for up-counting when a data unit is transmitted to output a number of transmitted data units;a comparator for comparing the number of designated units stored in said byte designator with the number of transmission units output by said counter; anda data request signal generator for requesting data transmission from said digital video disk signal processor according to a comparison result of said comparator, wherein the data request signal generator activates a data request signal to begin an N-byte data transmission and maintains the data request signal in an active state until the N-byte data transmission is complete.