參數(shù)資料
型號(hào)： HD66725
廠商： Hitachi,Ltd.
英文描述： Graphics LCD 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： 圖形液晶顯示控制器/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)： 2/117頁
文件大小： 834K
代理商： HD66725
HD66724/HD66725
2
Vcc = 1.8 to 5.5 V (low voltage)
V
LCD
= 3.0 to 6.5 V (liquid crystal drive voltage)
Single, double or triple booster for liquid crystal drive voltage
Contrast adjuster and voltage followers to decrease direct current flow in the LCD drive bleeder-
resistors
Wake-up feature using key scan interrupt
Programmable drive duty ratios and bias values displayed on LCD
Clock-synchronized serial interface
4-/8-bit bus interface capability (except when key scan circuit is used)
80
×
8-bit display data RAM (80 characters max)
20,736-bit (6
×
8 dots : 432 characters) character generator ROM
384
×
8-bit (64 characters) character generator RAM
96
×
2-bit (192 segment-icons and marks max) segment RAM
72- (96-) segment
×
26-common-signal liquid crystal display driver
Programmable display sizes and duty ratios
Vertical and horizontal smooth scrolls
Vertical double-height display
Selectable CGROM memory bank (max. 432 fonts)
Wide range of instruction functions:
Clear display, display on/off control, icon and mark control, character blink, black-white reversed
blinking cursor, return home, cursor on/off, black-white reversed raster-row
No wait time for instruction execution and RAM access (zero instruction)
Internal oscillation (with external or built-in resistor) hardware reset
Shift change of segment and common driver
Slim chip with bumps for chip-on-glass (COG) mounting, and tape carrier package (TCP)
Table 1
Progammable Display Sizes and Duty Ratios
Character Display
Graphics Display
Duty
Ratio
Optimum
Drive Bias
HD66724
HD66725
HD66724
HD66725
Segment
Display
Scanned
Keys
General
Ports
1/2
1/2
Unavailable
Unavailable
Unavailable
Unavailable
32 (4 x 8) 3
1/10
1/4
1 line x 12
characters
1 line x 16
characters
72 x 8 dots
96 x 8 dots
HD66724:
144
1/18
1/5
2 lines x 12
characters
2 lines x 16
characters
72 x 16 dots
96 x 16 dots
HD66725:
192
1/26
1/6
3 lines x 12
characters
3 lines x 16
characters
72 x 24 dots
96 x 24 dots
相關(guān)PDF資料
PDF描述
HD66726 Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
HD66727 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)
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)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66725A03TA0L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD CONTROLLER
HD66726 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
HD66726A03TB0L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC
HD66727 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
HD66727A03 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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