參數(shù)資料
型號(hào)： EHD66764
廠商： Hitachi,Ltd.
英文描述： 176-channel Common Driver for Color Displays
中文描述： 176通道的彩色顯示器通用驅(qū)動(dòng)程序
文件頁(yè)數(shù)： 1/38頁(yè)
文件大小： 257K
代理商： EHD66764
HD66764
176-channel Common Driver for Color Displays
Rev.
1
.
0
September
, 2001
Description
The HD66764 is a common-driver LSI for systems with color-liquid-crystal dot-matrix graphic
displays. It incorporates 176 LCD drive circuits and power-supply circuits. An external capacitor is
also needed for the liquid crystal display.
This LSI, when used with the HD66763 384-channel segment driver with on-chip RAM, is suitable for
color displays of cellular phones to a maximum of 128-by-176 dots.
Features
LCD drive circuits
176 outputs
Internal power-supply circuit
Step-up circuit: twice to 12 times, positive-polarity inversion
Bias setting: 1/2 to 1/13, programmable
Contrast adjustment: 128-level programmable volume
Dividing resistors: built-in (controls the bias)
Setting: serial transfer from the HD66763 segment driver
Low power consumption
Power-supply voltage
Vcc = 1.8 to 3.6 V
LCD drive voltage
VLCD-VEE = 10 to 4
4
V (VM standard:
±
5 to
±
2 2
V)
Package
TCP and chip
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