S6A0031 데이터 시트보기 (PDF) - Samsung

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S6A0031

8 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD

Samsung 

S6A0031 PRELIMINARY SPEC. VER. 0.5

BLOCK DIAGRAM

8 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD

Power On

Reset (POR)

RESETB

ECKON CK

Oscillator

DIRC

Timing Generator

MI

CSB

RS

RW_WR

E_RD

DB7 to

DB4

DB3 to

DB0

8

Input Buffer

Instruction

Register

(IR)

Instruction

Decoder

Parallel

Interface

4 bit/8 bit

(6800/8080

-series)

Address

Counter

Display

Data RAM

8

Data

Register

(DR)

(DDRAM)

256 bits

5

8 Data Output

Register

(OR)

8

8

8

8 bits

Shift

Register

COM1 to

Common COM8

Driver

80 bits

Shift

Register

80 bits

Latch

Circuit

SEG1 to

Segment SEG80

Driver

VDD

GND

Busy

Flag

5

5

Character

Generator

RAM

(CGRAM)

80 bits

Character

Generator

ROM

(CGROM)

10,160 bits

Cursor

and

Blink

Controller

5

5

Segment Data Conversion

DIRS

LCD Driving

Voltage Selector

Voltage Follower

& Bias Resistor

V0 V1 V2 V3 V4

Figure 1. Block Diagram

2

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