BU29504KV Serial ATA Bridge Chip Description of Functions

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BU29504KV Serial ATA Bridge Chip Description of Functions

BU29504 is the Serial ATA to Parallel ATA Bridge LSI, in which the Physical
layer, Link layer, Transport layer, Application layer of Serial ATA, and the Parallel ATA interface are all
integrated in one chip. By adapting a complete hard wired structure without a operational processor
mounted, we have actualized high processing capacity and low power consumption.
As the Serial ATA interface used in this LSI complies with the Serial ATA Standard, and the Application
layer corresponds to the ATA/PACKET commands, it is possible to establish a storage system consisting of
HDD, CD or DVD, etc.
Since this LSI has a bridge function for both modes of the Host/Device (ref. Figure 1-1), it is possible to
connect the old Parallel ATA device to the latest Serial ATA Host Bus adaptor, or connect the latest Serial
ATA device to the old Parallel ATA Host Bus adapter.



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