HD66740 Datasheet, PDF (59/95 Pages) Hitachi Semiconductor – 112 x 80-dot Graphics LCD Controller/Driver

HD66740
Graphics Display Function
In the graphics display mode, kanji characters, special symbols, and graphics icons can be displayed.
Up to 112 x 80-dot display is allowed using the CGRAM. Thus, for a 12 x 13-dot kanji font, up to a
6-line x 9-character kanji display, and for a 14 x 15-dot kanji font, up to a 6-line x 8-character kanji
display, and for a 16 x 16-dot kanji font, up to a 5-line x 6-character kanji display are allowed.
i) 12 x 13-dot kanji display
example
(6-line x 9-character display)
ii) 112 x 80-dot game display
example
Figure 31 Display Example in Graphics Display Mode
Vertical Smooth Scroll Display
The HD66740 can scroll character and graphics display vertically in units of raster-rows. This is
achieved by writing display data into a one-line area that is not being used for display. In other words,
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