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參數資料
| 型號： | HD66740WTB0 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 112 x 80-dot Graphics LCD Controller/Driver |
| 中文描述： | 112 × 80點圖形LCD控制器/驅動器 |
| 文件頁數： | 1/95頁 |
| 文件大小： | 856K |
| 代理商： | HD66740WTB0 |
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HD66740
1
HD66740
(112 x 80-dot Graphics LCD Controller/Driver)
Rev 1.0
August, 2001
Description
The HD66740, 112-by-80 dot-matrix graphics LCD controller and driver LSI, displays graphics such as
text, kanji and pictograms. It can be configured to drive a dot-matrix liquid crystal under the control of the
microprocessor connected via the clock-synchronized serial or 4/8-bit bus. The HD66740 has a smooth
vertical scroll display and a double-height display for the remaining bit map areas. It fixed-displays a part
of the graphics icons so that the user can easily see a variety of information.
The HD66740 has various functions to reduce the power consumption of an LCD system such as low-
voltage operation of 1.8 V min., a booster to generate maximum five-times LCD drive voltage from the
supplied voltage, and voltage-followers to decrease the direct current flow in the LCD drive bleeder-
resistors. Combining these hardware functions with software functions such as standby and sleep modes
allows fine power control. The HD66740 is suitable for any portable battery-driven product requiring
long-term driving capabilities such as cellular phones, pagers, or electronic wallets.
Features
Control and drive of a graphics LCD
112 x 80-dot display
Fixed display of graphics icons (pictograms)
Low-power operation support:
Vcc = 1.8 to 3.6 V (low voltage)
V
LCD
= 4.5 to 15.0 V (liquid crystal drive voltage)
Triple, quadruple, or five-times booster for liquid crystal drive voltage
64-step contrast adjuster and voltage followers to decrease direct current flow in the LCD drive
bleeder-resistors
Power-save functions such as the standby mode and sleep mode supported
Programmable drive duty ratios and bias values displayed on LCD
High-speed clock-synchronized serial interface (serial transfer rate: 5 MHz max.)
I2C bus interface
High-speed 4-/8-bit bus interface capability
112-segment
×
80-common liquid crystal display driver
1,120-byte (112
×
80 dots) character generator RAM
相關PDF資料 |
PDF描述 |
|---|---|
| HD66751 | 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| HD66750TB0 | 122 x 32 pixel format, Compact LCD size |
| HD66750 | 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| HD66751TB0 | 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| HD66760 | 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HD66741 | 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 |
| HD66750 | 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 |
| HD66750TB0 | 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 |
| HD66751 | 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 |
| HD66751S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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