Graphic processing apparatus utilizing improved data transfer to

Details Graphic processing apparatus utilizing improved data transfer to Graphic processing apparatus utilizing improved data transfer to

1989-01-27

1990-12-04

Shaw, Dale M.

Boots, shoes, and leggings

340798, 364521, G06F 1520

Patent

active

049758578

ABSTRACT:
A Memory Interface and Video Attribute Controller (MIVAC) is inserted between a dynamic RAM (DRAM) capable of a consecutive data read operation, such as the operation associated with the static column mode, page mode, or nibble mode, and a graphic processor to provide a parallel data processing. A serial data transfer is executed on each data bus between the MIVAC and the DRAM, whereas parallel data transfer is conducted between the MIVAC and the graphic processor. As a result, the graphic processor can be configured with a reduced number of DRAMs so that the graphic processor operates without paying attention to the consecutive data read mode of the DRAM.

REFERENCES:
patent: 4563676 (1986-01-01), Leininger
patent: 4755810 (1988-07-01), Knierim
patent: 4757310 (1988-07-01), Katsura et al.
patent: 4796231 (1989-01-01), Pinkham
patent: 4817054 (1989-03-01), Banergee et al.
patent: 4847809 (1989-07-01), Suzuki

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