Datasheet > HD66753

HD66753

更新时间： 2024-11-16 23:55:23

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Datasheet\|ADE-207-347\|JAN.31.03\|829K

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HD66753 数据手册

HD66753

(168 x 132-dot Graphics LCD Controller/Driver with

Bit-operation Functions)

ADE-207-347(Z)

Rev. 1.0

Jan. 31. 2003

Description

The HD66753, dot-matrix graphics LCD controller and driver LSI, displays 168-by-132-dot graphics for

four monochrome grayscales. When 12-by-13-dot size fonts are used, up to 13 lines x 11 characters (143

characters) can be simultaneously displayed. Since the HD66753 incorporates bit-operation functions and a

16-bit high-speed bus interface, it enables efficient data transfer and high-speed rewriting of data in the

graphics RAM.

The HD66753 has various functions for reducing the power consumption of an LCD system, such as low-

voltage operation of 1.7 V/min., a step-up circuit to generate a maximum of seven-times the LCD drive

voltage from the input-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

HD66753 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.

Features

•

168 × 132-dot graphics display LCD controller/driver for four monochrome grayscales

16-/8-bit high-speed bus interface

Clock-synchronized serial interface (transfer rate: 10 MHz max.)

I2C bus interface (transfer rate: 1.3 MHz max.)

Bit-operation functions for graphics processing:

 Write-data mask function in bit units

 Bit rotation function

 Bit logic-operation function

•

Low-power operation supports:

 Vcc = 1.7 to 3.6 V (low voltage)

 V_LPS= 5 to 19.5 V (liquid crystal drive voltage)

 Internal three-, five-, six-, or seven-times step-up circuit for liquid crystal drive voltage to be

selected by software

 128-step contrast adjuster and voltage followers to decrease direct current flow in the LCD drive

bleeder-resistors

12 3 4 5 6 7...102

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