First-in-first-out device for graphic drawing engine
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United States of America Patent
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-
Mar 30, 1999
Grant Date -
N/A
app pub date -
Feb 14, 1997
filing date -
Feb 17, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A first-in-first-out (FIFO) device for a graphic drawing engine is provided. The (FIFO) device is connected to both a pipeline having a plurality of data processing devices for receiving graphic data from a graphic drawing engine and a drawing engine control portion for controlling the transmission of graphic data of the pipeline. The FIFO device includes a plurality of registers, the number of which is greater than the number of the data processing devices of the pipeline, wherein when the number of vacant registers in the FIFO device is less than that of the data processing devices, a control signal is generated, to thereby stop the operation of the pipeline. Thus, the loss of data stored in the FIFO device can be prevented.
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Cited Art Landscape
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