Data transfer device and method

Details Data transfer device and method Data transfer device and method

2005-08-09

2005-08-09

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Plural storage devices

Reexamination Certificate

active

06927776

ABSTRACT:
The data transfer device for transferring data between a system bus and a local memory having a frame buffer region and a general region includes an interface section and a data processor. The interface section generates a transfer parameter for accessing one of the frame buffer region and the general region based on control data for controlling data transfer sent from the system bus and outputs the generated transfer parameter, in addition to transferring data to/from the system bus. The data processor generates an address of data to be transferred in the local memory according to the transfer parameter, and transfers data to/from the local memory using the generated address, in addition to transferring data to/from the interface section.

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