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參數(shù)資料
| 型號： | HCD66717A13BP |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | TRANSISTOR,BJT,NPN,700V V(BR)CEO,8A I(C),TO-247VAR |
| 中文描述： | （低功耗點陣液晶顯示控制器/驅(qū)動器） |
| 文件頁數(shù)： | 64/90頁 |
| 文件大?。?/td> | 716K |
| 代理商： | HCD66717A13BP |
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HD66717
516
Vertical Smooth Scroll
The HD66717 can scroll in the vertical direction in units of raster-rows. This function is achieved by
writing character codes into the DDRAM area that is not being used for display. In other words, since the
DDRAM corresponds to a 5-line
×
12-character display, one of the lines can be used to achieve
continuous smooth vertical scroll even in a 4-line display. Here, after the fifth line is displayed, the first
line is displayed again. Specifically, this function is controlled by incrementing or decrementing the
value in the scroll-start line bits (SL2 to SL0) and scroll-start raster-row bits (SN2 to SN0) by 1. For
example, to smoothly scroll up, first set SN2 to SN0 to 000, and increment SL2 to SL0 by 1 from 000 to
111 to scroll seven raster-rows. Then increment SN2 to SN0 to 001, and again increment SL2 to SL0 by 1
from 000 to 111. To start displaying and scrolling from the first raster-row of the second line, update the
first line of DDRAM data as desired during its non-display period.
Figure 38 shows an example of vertical smooth scrolling and Figure 39 shows an example of setting
instructions for vertically scrolling upward in a 4-line display (NL1 and NL0 = 11).
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| HCD66727A03BP | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
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相關(guān)代理商/技術(shù)參數(shù) |
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| HCD66724RA03BP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD CONTROLLER |
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| HCD66727A03 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HCD66727A03BP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HCD66727A04 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
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