參數(shù)資料
型號(hào): HD66705U
廠商: Hitachi,Ltd.
英文描述: Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver(圖形LCD控制器/驅(qū)動(dòng)器)
中文描述: 低功耗點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器(圖形液晶顯示控制器/驅(qū)動(dòng)器)
文件頁(yè)數(shù): 1/81頁(yè)
文件大?。?/td> 426K
代理商: HD66705U
1
HD66705U
(Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver)
ADE-207-305(Z)
'99.9
Rev. 0.0
Description
The HD66705U dot-matrix liquid crystal display controller and driver LSI displays alphanumerics,
katakana, hiragana, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the
control of a clock-synchronized serial, or a 4- or 8-bit microprocessor. A single HD66705U is capable of
displaying a maximum of two 12-character lines, 40 segments, and 10 annunciators. The HD66705U
incorporates all the functions required for driving a dot-matrix liquid crystal display such as display RAM,
character generator, and liquid crystal drivers, and a booster for LCD power supply.
The HD66705U provides various functions to reduce the power consumption of an LCD system such as
low-voltage operation of 2.4V or less, a booster for generating a maximum of triple LCD drive voltage
from the supplied voltage, and voltage-followers for decreasing the direct current flow in the LCD drive
bleeder-resistors. Combining these hardware functions with software functions such as standby and sleep
modes allows a fine power control. The HD66705U, with the above functions, is suitable for any portable
battery-driven product requiring long-term driving capabilities and small size.
Features
5
×
8-dot matrix LCD drive
Two 12-character lines, 40 segments, and 10 annunciators
Low-power operation support:
2.4 to 5.5V (low voltage)
Double or triple booster for liquid crystal drive voltage
Electron volume function and voltage-followers for decreasing the direct current flow in the LCD
drive bleeder-resistors
Standby mode and sleep mode
Displays up to 10 static annunciators without LCD power supply
Clock-synchronized serial interface; 4- or 8-bit parallel bus interface
60
×
8-bit display data RAM (60 characters max)
9,600-bit character generator ROM
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