NJU6680 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6680

128-common x 128-segment 4-level Gray Scale BITMAP LCD DRIVER

Japan Radio Corporation  

NJU6680

BLOCK DIAGRAM

VDD

VSS

V0 to V4

Internal

Power

Circuits

V0

VR

VEXT

INTRS

REF

VOUT

C1+/C1-

C2+/C2-

C3+

C4+

C5+

VCI

Voltage

Followers

Voltage

Regulator

Voltage

Converter

COM0 - - - COM63

COM127 - - - COM64

SEG0 - - - - - - - SEG127

Common

Drivers

Shift

Register

Segment Drivers

Common

Drivers

Shift

Register

Display Data Latch

Common

Timing

Generator

Display Data RAM

128 x 128 x 2 = 32,768-bits

Column Address Decoder

Common

Direction

Page

Address

Register

Column Address Counter

Column Address Register

Multiplexer

Display

Timing

Generator

Oscillator

Instruction

Decoder

Status

Internal Bus Line

Busy Flag

Bus Holder

OSC1

Reset

MPU Interface

RES

PS0 PS1 CS RS R/W E

D7

D6

D5 to D0

(SI) (SCL)

Ver.2003-04-08

-7-

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