Display data write control device

Details Display data write control device Display data write control device

1994-02-18

1995-08-22

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345119, G09G 336, G09G 514

Patent

active

054444586

ABSTRACT:
A system memory in the electronic device has a display data memory area, and when a CPU accesses directly to the system memory, the liquid crystal display control section (LCDC) monitors whether or not address data is directed to the display data memory area. In the case where the address data associated with display data is directed to the display memory area, the LCDC also sends the display data and the address data to the display driving circuit. The display driving circuit comprises a VRAM, in which the display data is stored in a predetermined memory location in accordance with the received address data, and the stored data is displayed on the LCD.

REFERENCES:
patent: 5241304 (1993-08-01), Munetsugu et al.

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