Datasheet > HCD66727A04BP

HCD66727A04BP

更新时间： 2024-09-14 21:55:15

品牌	Logo	应用领域
日立 - HITACHI		驱动器显示控制器
页数	文件大小	规格书
97页	506K
描述
Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function

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HCD66727A04BP 数据手册

HD66727

(Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver

with Key Scan Function)

Description

The HD66727, dot-matrix liquid crystal display controller and driver LSI incorporating a key scan

function, displays alphanumerics, katakana, hiragana, and symbols. It can be configured to drive a dot-

matrix liquid crystal display and control key scan functions under the control of an I²C bus or a clock-

synchronized serial microprocessor. A single HD66727 is capable of displaying up to four 12-character

lines, 40 segments, and 12 annunciators, and controlling up to a 4-by-8 key matrix, and driving three LED.

The HD66727 incorporates all the functions required for driving a dot-matrix liquid crystal display such as

display RAM, character generator, and liquid crystal drivers, and it also incorporates a booster for the LCD

power supply and key scan functions.

The HD66727 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 HD66727, with the above functions, is suitable for any portable battery-

driven product requiring long-term driving capabilities and small size.

Features

•

Control and drive of a dot-matrix LCD with built-in key scan functions

Four 12-character lines, 40 segments, and 12 annunciators

Control of up to a 4 × 8-key matrix, 3 LED ports and 3 general ports

Low-power operation support:

2.4 to 5.5V (low voltage)

Double or triple booster for liquid crystal drive voltage

Contrast adjuster and voltage followers for decreasing the direct current flow in the LCD drive

bleeder-resistors

Standby mode and sleep mode

Displays up to 12 static annunciators

•

I²C bus or clock-synchronized serial interface

60 × 8-bit display data RAM (60 characters max)

12 3 4 5 6 7...97

中文翻译

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与HCD66727A04BP相关器件

型号	品牌	获取价格	描述	数据表
HCD66728A05BP	RENESAS	获取价格	80X112 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC261, GOLD BUMP, DIE-261
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HCD66731A00BP	HITACHI	获取价格	Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font
HCD66731A01BP	HITACHI	获取价格	Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font
HCD66740BP	HITACHI	获取价格	112 x 80-dot Graphics LCD Controller/Driver
HCD66740WBP	HITACHI	获取价格	112 x 80-dot Graphics LCD Controller/Driver
HCD66750BP	HITACHI	获取价格	128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
HCD66750SBP	HITACHI	获取价格	暂无描述
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