System and method for DMA data transferring apparatus and...

Details System and method for DMA data transferring apparatus and... System and method for DMA data transferring apparatus and...

2007-01-23

2007-01-23

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S035000, C347S001000, C375S240190, C382S113000, C382S232000, C382S239000, C358S001160

Reexamination Certificate

active

10649296

ABSTRACT:
Compressed recording data is DMA-transferred to a receiving buffer unit via a system bus one word each. It is DMA-transferred from the receiving buffer unit to a DECU via the system bus. It is developed based on hardware by a decode circuit in the DECU, and stored in a line buffer. It is DMA-transferred to a local memory via a local bus when it reaches predetermined bytes. The recording data stored in the local memory is DMA-transferred to the DECU via the local bus, DMA-transferred to a head controlling unit and DMA-transferred to a recording head.

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