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參數(shù)資料
| 型號(hào)： | HD66728 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點(diǎn)圖形LCD控制器) |
| 中文描述： | 112 × 80點(diǎn)圖形LCD控制器/驅(qū)動(dòng)器（112 × 80點(diǎn)圖形液晶顯示控制器） |
| 文件頁(yè)數(shù)： | 51/138頁(yè) |
| 文件大?。?/td> | 2158K |
| 代理商： | HD66728 |
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HD66728
51
Port Control
PT2-0:
Control the output level of a port output pin (PORT2-PORT0). When PT0 = 0, the PORT0 pin
outputs the GND level, and when PT0 = 1, it outputs the VCC level. Similarly, PT1 and PT2 bits control
PORT1 and PORT2 output levels respectively.
B/C:
When SW = 1 and B/C = 0, a B-pattern waveform is generated and alternates in every frame for LCD
driving. When B/C = 1, a C-pattern waveform is generated and alternates (n-raster-row reversed AC drive)
in each raster-row specified by bits EOR and NW4–NW0 in the LCD-driving-waveform control register.
For details, see the n-raster-row Reversed AC Drive section.
DCC:
When SW = 1 and DCC = 0, a booster operates with the 64-divided clock of the operating
frequency. When DCC = 1, the booster operates with the 32-divided clock. When the booster operates
with the 64-divided clock, current consumption in the booster is low, but boosting ability is weak.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
1
1
1
0
PT1 PT0
DCC B/C
PT2
<0>
(SW = 0)
(SW = 1)
Figure 23 Port Control Instruction
LCD-Driving-Waveform Control
EOR:
When the C-pattern waveform is set (B/C = 1) and SW = 1 and EOR = 1, the odd/even frame-select
signals and the n-raster-row reversed signals are EORed for alternating drive. EOR is used when the LCD
is not alternated by combining the set values of the LCD drive duty ratio and n raster-row. For details, see
the n-raster-row Reversed AC Drive section.
NW4–0:
Specify the number of raster-rows n that will alternate at the C-pattern waveform setting (B/C =
1). NW4–NW0 alternate in every set value + 1 raster-row, and the first to the 32nd raster-rows can be
selected. When SW = 0, bits NW2, NW1, and NW0 can be set. When SW = 1, bits NW4 and NW3 can be
set.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
1
1
1
1
NW4 NW3
EOR
NW1 NW0
NW2
(SW = 0)
(SW = 1)
Figure 24 LCD-Driving-Waveform Control Instruction
相關(guān)PDF資料 |
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|---|---|
| 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 |
| HD66731A01TA0L | 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) |
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|---|---|
| HD66729 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| HD66730 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66730A00FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66730A01FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66731 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
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