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KS0078

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

Samsung 

KS0078

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

PAD DESCRIPTION

PAD (NO)

VDD (60)

VSS1,VSS2

(66,81)

V1-V5

(88-84)

Vci (78)

INPUT/

OUTPUT

-

Input

SEG1-SEG120

(106-183,

1-42)

COM0-COM33

(105-89,

43-59)

OSC1,OSC2

(61,62)

C1,C2 (80,79)

Output

Output

Input

(OSC1),

Output

(OSC2)

Input

RESET (63)

IE (65)

Input

Input

V5OUT2(82)

Output

V5OUT3(83)

NAME

DESCRIPTION

INTERFACE

for logical circuit(+3V,+5V)

0V(GND)

Power supply Bias voltage level for LCD driving.

Input voltage to the voltage converter to

generate LCD drive voltage(Vci = 1.0 -4.5V).

Segment output Segment signal output for LCD drive.

Power supply

LCD

Common output Common signal output for LCD drive.

LCD

Oscillator

When use internal oscillator, connect external

Rf resistor.

If external clock is used, connect it to OSC1.

External

resistor/oscillator

(OSC1)

External

To use the voltage converter(2 times /3 times),

capacitance input these pins must be connected to the external

capacitance.

Reset pin Initialized to Low

Select pin When IE = "High", Instruction set is

of

selected as Table 6.

instruction When IE = "Low", Instruction set is selected as

set

Table 10.

Two times The value of Vci is converted two times. To

converter use three times converter, the same

output

capacitance as that of C1-C2 should be

connected here.

Three times The value of Vci is converted three times.

converter

output

External

capacitance

-

-

V5

capacitance

V5



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