CD-ROM decoder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 4, 2001
app pub date -
Mar 27, 2001
filing date -
Mar 28, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A CD-ROM decoder that reduces the load on a microcomputer temporarily stores in a buffer memory in sector units digital data having a predetermined number of bytes and a predetermined format. The CD-ROM also processes the digital data by correcting and detecting code errors included in the digital data. Further, the CD-ROM decoder transfers the processed digital data. The CD-ROM decoder includes a command register for storing a data transfer request command that includes format information of transfer request data and a data transfer circuit connected to the command register. The data transfer circuit decides the format information of the data transfer request command and determines the byte number of the processed digital data that is to be transferred. Further, the data transfer circuit reads the processed digital data from the buffer memory based on the determined byte number and transfers the read processed digital data.
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