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(biāo)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): 100/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
100
Vertical Smooth Scroll
The HD66732 can scroll vertically in units of one dot. Vertical smooth scrolling is enabled for the character
display, graphics display, and super-imposed display modes. In vertical scrolling, the display start position
is controlled in one-raster-row units by incrementing or decrementing the display start line (SN1/0) and
display-start raster-row (SL3/2/1/0). However, segment icons (marks) displayed by using the SEGRAM
are not scrolled.
If the response speed of the liquid crystal is slow and cannot keep up with one-raster-row scrolling, scroll
multiple raster-row units together. Moreover, if vertical smooth scrolling is performed with a four-line
display (1/54 duty), the display raster-row that has scrolled out of the display will appear again from the
bottom (or the top) (this function is called lap-around). In this case, confirm the display line position
(NF1/0) and display raster-row position (LF3–0) flags in the status register, and update the display data in
the DDRAM or CGRAM while LCD driving is not performed.
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PDF描述
HD66740TB0 50/MDR/RECP/VERT PRS FIT/M2.6/SCW/30MIN
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