NJU6637 Ver la hoja de datos (PDF) - Japan Radio Corporation

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componentes Descripción

Fabricante

NJU6637

16-CHARACTER 3-LINE DOT MATRIX LCD CONTROLLER DRIVER

Japan Radio Corporation  

Preliminary

NJU6637

s TERMINAL DESCRIPTION

PAD No.

SYMBOL

I/O

19-21

VDD

–

16-18

VSS

13-15

V5

–

11

OSC1

I

12

OSC2

O

25

RS

I

26

SCL

I

28

CS

I

27

SI

I

23

SEL

I

52-59

COM1 – COM24

O

159-174

60-67

SEG1 – SEG80

O

77-148

24

RESET

I

22

TEST

I

1-9

DUMMY1 –

–

22-51

DUMMY53

68-76

149-158

175

FUNCTION

Power Source : VDD = +3V,

GND : VSS = 0V

LCD driving Power Source

Oscillation Frequency Adjustment Terminals. Normally Open.

(Oscillation C and R are Incorporated, Osc Freq.=145kHZ)

Oscillation Frequency Adjustment Terminals. Normally Open.

This terminal also operates as the clock frequency monitor.

Resister selection signal Input

"0":Instruction Resister

"1":Data Register

Shift clock input

Chip select signal input

Data input terminal

Segment driver location order select terminal

"0": Mode A

"1": Mode B

LCD Common driving signal Terminals

LCD segment driving signal Terminals

Reset Terminal

When the “L” level Input over than 1.2ms to this terminal,

the system will be reset.(fOSC=145kHz)

Maker Test Terminal

This terminal should be connected to Vss or open.

Dummy Terminal

These terminals are electrically open.

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