KS0076B 데이터 시트보기 (PDF) - Samsung

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KS0076B

16COM/40SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

Samsung 

KS0076B 16COM/40SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

BLOCK DIAGRAM

Power V1

supply V2

for

V3

LCD

V4

Drive

V5

Parallel/serial

Data conversion

Circuit

5

5

DB0 ~ DB3

DB4 ~ DB7

R/W

RS

E

Busy

Flag

Charater

Generator

ROM

( CG ROM )

8320 bits

Character

Generator

RAM

( CG RAM )

512 bits

Cursor

Blink

Control

Circuit

Data

8

8 Register

Input

( DR )

Output

Buffer

7

8

8

Instruction

Register

( IR )

8

7

Display

Data RAM

( DD RAM )

80¡¿8 bits

Instruction

Decoder

( ID )

7

Address

Counter

( AC )

40 - bit 40

Shift

Register

40 - bit

Latch

Circuit

segment

signal

40

Segment

Signal

40 ( S1 - S40 )

Driver

D

7

OSC1

OSC2

Timing

Generation

Circuit

VDD

GND

common

16 - bit

16 Common

16

signal

Shift

Signal

( C1 - C16 )

Register

Driver

CLK1

CLK2

M

Fig. 1. KS0076B functional block diagram.

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