Datasheet > HT16C21A

HT16C21A

更新时间： 2024-11-20 17:00:59

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
30页	722K
描述
RAM Mapping 20×4 / 16×8 LCD Driver Controller

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中文翻译

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数据手册

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HT16C21A 数据手册

HT16C21A

RAM Mapping 20×4 / 16×8 LCD Driver Controller

Feature

Applications

• Operating voltage: 2.4V~5.5V

• Internal 32kHz RC oscillator

• Bias: 1/3 or 1/4; Duty: 1/4 or 1/8

• Electronic meter

• Water meter

• Gas meter

• Internal LCD bias generation with voltage-follower

buﬀers

• I²C interface

• Heat energy meter

• Household appliance

• Games

• Two selectable LCD frame frequencies: 80Hz or

160Hz

• Telephone

• Consumer electronics

• Up to 16×8 bits RAM for display data storage

• Display patterns:

General Description

♦

20×4 patterns: 20 segments and 4 commons

♦

16×8 patterns: 16 segments and 8 commons

The HT16C21A device is a memory mapping and

multi-function LCD controller/driver. The display

segments of the device are 80 patterns (20 segments

and 4 commons) or 128 patterns (16 segments and 8

commons). The software conﬁguration feature of the

HT16C21A device makes it suitable for multiple LCD

applications including LCD modules and display

subsystems. The HT16C21A device communicates

with most microprocessors/microcontrollers via a

two-line bidirectional I²C interface.

• Versatile blinking modes

• R/W address auto increment

• Internal 16-step voltage adjustment to adjust LCD

operating voltage

• Low power consumption

• Provides the VLCD pin to adjust LCD operating

voltage

• Manufactured in silicon gate CMOS process

• Package types: 20/24/28-pin SOP/SSOP and

16-pin NSOP

Rev. 1.20

November 24, 2022

12 3 4 5 6 7...30

中文翻译

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