Datasheet > HT1621B(48LQPF)

HT1621B(48LQPF)

更新时间： 2024-01-18 22:21:45

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
20页	182K
描述
Interface Circuit

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技术参数
数据手册

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HT1621B(48LQPF) 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84
Base Number Matches：	1

HT1621B(48LQPF) 数据手册

HT1621

RAM Mapping 32´4 LCD Controller for I/O MCU

Features

Operating voltage: 2.4V~5.2V

Built-in 32´4 bit display RAM

Built-in 256kHz RC oscillator

3-wire serial interface

External 32.768kHz crystal or 256kHz frequency

Internal LCD driving frequency source

Software configuration feature

source input

Selection of 1/2 or 1/3 bias, and selection of 1/2 or

1/3 or 1/4 duty LCD applications

Data mode and command mode instructions

R/W address auto increment

Internal time base frequency sources

Two selectable buzzer frequencies (2kHz/4kHz)

Power down command reduces power consumption

Built-in time base generator and WDT

Time base or WDT overflow output

8 kinds of time base/WDT clock sources

32´4 LCD driver

Three data accessing modes

VLCD pin for adjusting LCD operating voltage

HT1621: 48-pin SSOP package

HT1621B: 48-pin DIP/SSOP/LQFP package

HT1621D: 28-pin SKDIP package

HT1621G: Gold bumped chip

General Description

systems. Only three or four lines are required for the in-

terface between the host controller and the HT1621.

The HT1621 contains a power down command to re-

duce power consumption.

The HT1621 is a 128 pattern (32´4), memory mapping,

and multi-function LCD driver. The S/W configuration

feature of the HT1621 makes it suitable for multiple LCD

applications including LCD modules and display sub-

Selection Table

HT162X

HT1620

HT1621

HT1622

HT16220

HT1623

HT1625

HT1626

COM

SEG

Built-in Osc.

Crystal Osc.

Rev. 1.60

November 26, 2004

12 3 4 5 6 7...20

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