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參數(shù)資料
| 型號(hào)： | HD66717A03TA0 |
| 廠商： | Hitachi,Ltd. |
| 元件分類(lèi)： | 晶體 |
| 英文描述： | (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver) |
| 中文描述： | （低功耗點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 64/90頁(yè) |
| 文件大?。?/td> | 716K |
| 代理商： | HD66717A03TA0 |
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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).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66724 | Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器) |
| HD66725 | Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器) |
| HD66726 | Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器) |
| HD66727 | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器) |
| HD66728 | 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點(diǎn)圖形LCD控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66720 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66720A01TF | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Display Driver |
| HD66724 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| HD66724/HD66725 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述: |
| HD66724RA03TA0L | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD CONTROLLER |
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