HD66760 Datasheet

IC型號：
HD66760
PDF描述：
104 X 80-dot Graphics LCD Controller/Driver for 256 Colors
文件大小：
642.68KB
PDF頁數(shù)：
105頁
芯片廠家：
HITACHI

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HD66760

104

脳

80-dot Graphics LCD Controller/Driver for 256 Colors

ADE-207-335A(Z)

Rev.2.0

September 2001

Description

The HD66760, color-graphics LCD controller and driver LSI, displays 104-by-80-dot graphics for 256 STN

colors. The HD66760's bit-operation functions and a 16-bit high-speed bus interface enable efficient data

transfer and high-speed rewriting of data to the graphics RAM.

The HD66760 has various functions for reducing the power consumption of an LCD system, such as low-

voltage operation of 2.2 V/min., a step-up circuit to generate a maximum of six-times the 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 a partial display with low-

duty drive and standby and sleep modes, allows precise power control. The HD66760 is suitable for any mid-

sized or small portable battery-driven product requiring long-term driving capabilities, such as digital cellular

phones supporting a WWW browser, bidirectional pagers, and small PDAs.

Features

104

脳

80-dot graphics display LCD controller/driver for 256 STN colors

Display mode change between 256 colors (8 bits per pixel) and four colors (2-bit per pixel)

16/8-bit high-speed bus interface

I2C bus interface

Clock synchronized serial interface

Bit-operation functions for graphics processing:

錚?/div>

Write-data mask function in bit units

錚?/div>

Swap function of upper and lower bytes

錚?/div>

Logical operation in pixel unit and conditional write function

鈥?/div>

Various color-display control functions:

錚?/div>

256 of the 4,096 possible colors can be displayed at the same time (grayscale palette incorporated)

錚?/div>

Vertical scroll display function in raster-row units

錚?/div>

Color window cursor display supported by hardware

鈥?/div>

Low-power operation supports:

Preliminary: The specifications of this device are subject to change without notice. Please contact your

nearest Hitachi鈥檚 Sales Dept. regarding specification.

鈥?/div>

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