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)： 118/138頁
文件大?。?/td> 2158K
代理商： HD66728
HD66728
118
Sleep Mode
Setting the sleep mode bit (SLP) to 1 puts the HD66728 in the sleep mode, where the device stops all
internal display operations except for key scan operations, thus reducing current consumption. Specifically,
LCD drive is completely halted. Here, all the SEG (SEG1 to SEG112) and COM (COM1 to COM80) pins
output the GND level, resulting in no display. If the AMP bit is set to 0 in the sleep mode, the LCD drive
power supply can be turned off, reducing the total current consumption of the LCD module.
The key scan circuit operates normally in the sleep mode, thus allowing normal key scan and key scan
interrupt generation. For details, see the Key Scan Control section and Key Scan Interrupt (Wake-up
Function) section.
Table 41 Comparison of Sleep Mode and Standby Mode
Function
Sleep Mode (SLP = 1)
Standby Mode
(STB = 1)
Key Standby Mode
(KSB = 1)
LCD control
Turned off
Turned off
Normally turned on
R-C oscillation circuit
Operates normally
Halted
Normally turned on
Key scan circuit
Can operate normally
Halted but IRQ* can be generated
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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