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參數(shù)資料
| 型號： | 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） |
| 文件頁數(shù)： | 38/138頁 |
| 文件大?。?/td> | 2158K |
| 代理商： | HD66728 |
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HD66728
38
Power Control
AMP:
When AMP = 1, each voltage follower for V1 to V5 pins and the booster are turned on. When AMP
= 0, current consumption can be reduced while the display is not being used.
SLP:
When SLP = 1, the HD66728 enters the sleep mode, where the internal operations are halted except
for the key scan function and the R-C oscillator, thus reducing current consumption. For details, see the
Sleep Mode section. Only the following instructions can be executed during the sleep mode.
a. Key scan data read
b. Key scan control (IRE, KF1/0, KSB bits)
c. Power control (AMP, SLP, and STB bits)
d. Port control (PT2-0 bits)
During the sleep mode, the other RAM data and instructions cannot be updated although they are retained.
STB:
When STB = 1, the HD66728 enters the standby mode, where display operation and key scan
completely stops, halting all the internal operations including the internal R-C oscillator. Further, no
external clock pulses are supplied. This setting can be used as the system wake-up, because an interrupt is
generated when a specific key is pressed. For details, see the Standby Mode section.
Only the following instructions can be executed during the standby mode.
a. Standby mode cancel (STB = 0)
b. Voltage follower circuit on/off (AMP = 1/0)
c. Start oscillation
d. Key scan interrupt generation enabled/disabled (IRE = 1/0)
e. Port control (PT2-0 bits)
During the standby mode, the other RAM data and instructions may be lost. To prevent this, they must be
set again after the standby mode is canceled.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
0
0
0
1
AMP SLP STB
Figure 11 Power Control Instruction
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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) |
參數(shù)描述 |
|---|---|
| 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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