參數(shù)資料
型號: HD66732
廠商: Hitachi,Ltd.
英文描述: Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動器)
中文描述: 圖形液晶顯示控制器/驅(qū)動器支持日標級- 1和第2級漢字光盤(圖形液晶顯示控制器/驅(qū)動器)
文件頁數(shù): 96/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
96
Character Display Functions and Graphics Display Functions
The HD66732 has a character display mode (GR = 0) where the CGRAM or CGROM is used to display
font patterns, a graphics display mode (GR = 1) where the bit pattern data is set to the CGRAM to display
given patterns, and a super-imposed display mode (SPR = 1) which displays both display modes combined.
In the character display mode, kanji characters can easily be provided by sending two-byte-per-character
character codes to the DDRAM. For example, when an LCD panel which displays 4-line 10-character
kanji is rewritten, the LCD display can be easily provided simply by transferring 80-byte character codes.
This reduces the microcomputer software processing needed to develop kanji fonts. In addition, since the
30 user fonts can be registered by using the CGRAM, kanji characters other than JIS Level-1 or Level-2,
symbols, or marks which are not included in the CGROM can be displayed.
In the graphics display mode, all bit pattern data to be displayed need to be sent. However, up to a 120 x
52-dot display is possible using the CGRAM. The GR bit can switch these modes not only when characters
such as kanji are displayed but also when graphics such as maps or games are used.
Kanji
Figure 52 Example of Kanji Display in the Character Display Mode (GR = 0)
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