S6A0071 データシートの表示（PDF） - Samsung

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S6A0071

32COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

Samsung 

S6A0071

32COM/60SEG DRIVER & CONTROLLERFOR DOT MATRIX LCD

PAD DESCRIPTION

PAD

( No.)

Pad No. I/O

VDD

45

VSS

33

V1-V5

36-40

S1-S60 75-118, O

1-16

C1-C8 74-67, O

C9-C16 17-24,

C17-C24 66-59,

C25-C32 25-32,

OSC1

34

I

OSC2

35

O

RS

46

I

R/W

47

I

E

48

I

DB0 - DB3 49 - 52 I/O

DB4 - DB7 53 - 56 I/O

Vci

44

I

C1,C2

42, 43

I

V5OUT

41

O

T1, T2

58, 57

I

NAME

Description

For logical circuit (+3V, 5V)

Supply voltage Ground (0V)

Bias voltage level for LCD driving

Segment output Segment signal output for LCD drive

Common output Common signal output for LCD drive

Interface

Power supply

LCD

LCD

Oscillator

Oscillator

Register select

Read/write

Read/write

Enable

Data bus 0-7

Data bus 0-7

Voltage doubler

output

Capacitor

Voltage doubler

output

Test pin

When using internal oscillator, connect

external Rf resistor.

If external clock is used, connect it to

OSC1

Used as register selection input.

When RS = 1, Data register is selected.

When RS = 0, Instruction register is

selected.

Used as read/write selection input.

When RW = 1, read operation.

When RW = 0, write operation.

Used as read/write enable signal.

In 8-bit bus mode, used as low order

bidirectional data bus.

In 4-bit bus mode, open these pins.

In 8-bit bus mode, used as high order

bidirectional data bus.

In 4-bit bus mode, used as both high and

low order. DB7 used for busy flag output.

Input terminal for voltage doubler.

(normally Vci = VDD)

Capacitor for voltage doubler connecting

terminal (+).

Capacitor for voltage doubler connecting

terminal(-).

Voltage doubler output terminal

connected to LCD supply voltage

Maker testing terminal (normally open)

External resistor

OSC/OSC2

External clock

(OSC1)

MPU

MPU

MPU

MPU

MPU

Power supply

Capacitor

V5

6

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