Frame buffer addressing scheme
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United States of America Patent
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-
Dec 28, 2004
Grant Date -
Sep 18, 2003
app pub date -
Mar 12, 2002
filing date -
Mar 12, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A graphics system includes a frame buffer that includes one or more memory devices and a frame buffer interface coupled to the frame buffer. Each memory device in the frame buffer includes N banks. Each of the N banks includes multiple pages, and each page is configured to store data corresponding to a portion of a screen region. The frame buffer interface is configured to generate address used to store data corresponding to a frame of data in the frame buffer. The frame includes multiple screen regions. The frame buffer interface is configured to generate addresses corresponding to the data and to provide the addresses to the frame buffer. The addresses are generated such that each of the N banks stores data corresponding to a portion of one out of every N screen regions within a horizontal group of screen regions.
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