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參數(shù)資料
| 型號(hào)： | HD66727 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 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) |
| 中文描述： | 低功耗點(diǎn)陣液晶顯示控制器/鍵掃描功能（帶鍵掃描功能的圖形液晶顯示控制器/驅(qū)動(dòng)器驅(qū)動(dòng)程序） |
| 文件頁數(shù)： | 73/98頁 |
| 文件大?。?/td> | 1576K |
| 代理商： | HD66727 |
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HD66727
73
i) Normal mode and sleep mode
ii) Standby mode (without oscillation)
V
CC
level
V
CC
level
V
CC
level
AGND level
AGND level
AGND level
AGND level
AGND level
V
CC
level
V
CC
level
V
CC
level
V
CC
level
Display off
Display on
1 frame
ACOM
ASEG1
ASEG2
EXM
(Input)
V
CC
level
V
CC
level
V
CC
level
AGND level
AGND level
AGND level
V
CC
level
V
CC
level
V
CC
level
ACOM
ASEG1
ASEG2
Display off
Display on
1 frame
Note: If annunciator display is unnecessary during standby mode, make sure to fix the EXM pin to the V
CC
or GND level
and set the annunciator display ON bit (DA) to 0. This will prevent dark display and liquid-cell deterioration due to
DC bias application on liquid crystal cells.
Figure 40 Annunciator Drive Output Waveforms
Vertical Smooth Scroll
The HD66727 can scroll in the vertical direction in units of raster-rows. This function is achieved by
writing character codes into DDRAM area that is not being used for display. In other words, since 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 display-start line
bits (SL2 to SL0) and display-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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66728 | 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點(diǎn)圖形LCD控制器) |
| HD66730 | Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器) |
| HD66731 | Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器) |
| HD66731A00TB0L | 122 x 32 pixel format, Compact LCD size |
| HD66731A00TA0L | Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66727A03 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03BP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03TA0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03TA0L | 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 |
| HD66727A04 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
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