RAM-incorporated driver, and display unit and electronic...

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

Reexamination Certificate

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Details

C345S100000

Reexamination Certificate

active

07034792

ABSTRACT:
The present invention provides a RAM-incorporated driver that enables the writing of moving-image data to a RAM simultaneously with the writing of still-image data to the RAM. The RAM-incorporated X-driver IC can include first and second bus lines for transferring still-image data and moving-image data from an MPU, a RAM for storing the still-image data and moving-image data, first column and page address control circuits for specifying column and page addresses in RAM for writing still-image data, second column and page address control circuits for specifying column and page addresses in RAM for writing moving-image data, an MPU-related control circuit for controlling each of the address control circuits, based on commands from the MPU, a display address control circuit for controlling the reading of still-image data and moving-image data stored in the RAM, as display data, and a driver-related control circuit for controlling the display address control circuit.

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U.S. Appl. No. 09/911,829, filed Jul. 25, 2001, Tsuyoshi Tamura.

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