HD66731A00TA0L datasheet(3/131 Pages) HITACHI

Part #	HD66731A00TA0L

Description	Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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3 / 131 page

HD66730/HD66731

3

Block Diagram (HD66730)

System

interface

• Serial

• 8 bit

RAM

data

register

(RDR: R9)

Busy

flag (BF)

Index

register

(I DR)

RAM address

counter

(RAR: R8)

Timing generator

Display data RAM

(DDRAM)

80

× 8 bits

Character

generator

RAM

(CGRAM)

208 bytes

Character

generator

ROM for

full-size

character font

(FCGROM)

506,880 bits

(704 b

× 720 w)

Display attribute control circuit

71-bit

latch

circuit

71-bit

shift

register

Common

driver

LCD drive

voltage

selector

Oscillation

circuit (CPG)

Control

register

(R0 to R7)

V1

RS/CS*

RW/SID

E/SCLK

VCC

GND

COM1 to

COM24

OSC1 OSC2

8

7

8

11

8

4

Segment

RAM

(SEGRAM)

16 bytes

CL1

CL2

M

SEGD

RESET*

Segment

driver

SEG1 to

SEG71

DB0/SOD

Cursol

control

circuit

Vci

C1

C2

V5OUT2

V5OUT3

Character

generator

ROM for

half-size

character font

(HCGROM)

9,216 bits

(768 b

× 12 w)

Parallel/serial

converter and scroll

control circuit

12

25-bit

shift

register

Booster

12

COMS

COM25/

COMD

8

4

IM

Address generator

12

7

3

DB1 to DB7

I/O buffer

12

V2

V3

V4

V5

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HD66731A00TA0L Datasheet(PDF) 3 Page - Hitachi Semiconductor

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