Datasheet > KK472

KK472

更新时间： 2024-11-09 03:48:07

品牌	Logo	应用领域
可天士 - KODENSHI		显示控制器
页数	文件大小	规格书
4页	202K
描述
Liquid Crystal Display Controller

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数据手册

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KK472 数据手册

TECHNICAL DATA

Liquid Crystal Display Controller

KK472

The KK472 Liquid Crystal Display (LDC) Controller is a perpheral

member of the COPS^TMfamily, fabricated using CMOS technology. The

KK472 drives a multiplexed liquid crystal directly. Data is loaded serially

and is held in internal latches. The KK472 contains an on-chip oscillator and

generates all the multi-level waveforms for back-planes and segment

outputs on a triplex display. One KK472 can drive 36 segments multiplexed

as 3 x 12 (4¹/₂digit display). Two KK472 devices can be used together to

drive 72 segments (3 x 24) which could be an 8¹/₂digit display.

•

Direct interface to TRIPLEX LCD

Low power dissipation (100 µW typ.)

Low cost

Compatible with all COP400 processors

Needs no refresh from processor

On-chip oscillator and latches

ORDERING INFORMATION

KK472N Plastic

KK472DW SOIC

T_A= 0° to 70° C for all packages

Expandable to longer displays

Software compatible with COP470 V.F.Display Driver Chip

Operates from display voltage

MICROWIRE^TMcompatible serial I/O

20-pin Dual-In-Line package

PIN ASSIGNMENT

Pin Description

Description

Chip select

V_DD

Power supply (display voltage)

Ground

GND

Serial data input

Serial clock input

BP_A

Display backplane A (or oscillator in)

Display backplane B

BP_B

BP_C

Display backplane C (or oscillator out)

12 multiplexed outputs

SA1∼SA4

12 3 4

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