KS0078 Просмотр технического описания (PDF) - Samsung

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KS0078

34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

Samsung 

KS0078

34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

BLOCK DIAGRAM

IE OSC1 OSC2

RES E T

IM

RS/

CS

E/

SCLK

RW/

SID

DB4 -

DB7

DB3 -

DB1

DB0/

SOD

Vci

Power On Reset

(POR)

O s cillator

Timing Generator

S ys tem

Interface

Serial

4 bit

8 bit

8

Ins truc ti on

/

Register

(IR)

7

/

/7

Ins truc ti on

Decoder

Address

Counter

Display Data

RAM (DDRAM)

96 x 8 bits

7

/

/8

8 Data

8

Register

/

/

Input/

O utput

Buffer

(DR)

/8

Busy

Flag

/3 /7 /8

/8

34 bit

Shift

Register

Common

Driver

COM0 -

COM33

120 bit

Shift

Register

120 bit

Latch

Ci rc ui t

Segment

Driver

SEG1 -

SEG 1 20

SegmentRAM

(SEGRAM)

16 bytes

Ch aracter

Gen erator

RAM(CGRAM)

64 b ytes

Ch aracter

Gen erator

ROM(CGROM)

960 0 b its

Cursor and

Blink

Controller

LCD Driver

Voltage

Selector

C1

C2

V5OUT2

V5OUT3

Voltage Converter

/5

/ 5/6

Parallel / Serial Converter

and Smooth Scroll Circuit

V1 - V5

VDD

GND

( VS S )



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