HL14203 データシートの表示（PDF） - Hyundai Micro Electronics

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HL14203

LCD Driver IC

Hyundai Micro Electronics 

HL14203

1/3 bias ( for use with large panels )

+5V

*1)

C ≥ 0.047uF

R

•

R

CC •

R

From the controller

To the controller

To the controller

power supply

*2)

OSC

VDD

VSS

TEST

VCL1

VCL2

COM1

COM2

COM3

P1 / SEG1

P2 / SEG2

P3 / SEG3

P4 / SEG4

SE.....G5

SEG40

SS

EE

GG

CE

44

11

SCK K K K K K

//

SI I I I I I K K K K K K

SO

N N N N NS S S S S S

5 4 3 2 16 5 4 32 1

(p 1)

(p 2)

(p 3)

(p 4)

(general-purpose

output ports)

Used with the

backlight controller

or other circuit.

.....

(SEG41)

(SEG42)

Key matrix

(up to 30 keys)

•

•¡ ¡Æ Æ

Note : *1). Add a capacitor to the power supply line so that the power supply voltage VDD rise time when power is

applied and the power supply voltage VDD fall time when power drops are both at least 1 ms, as the

HL14203 is reset by the SVD.

*2). The SO pin, being an open-drain output, requires a pull-up resistor, Select a resistance (between 1 to 10kΩ)

appropriate for the capacitance of the external wiring so that signal waveforms are not degraded.

26

Preliminary

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