NJU6635CH 데이터 시트보기 (PDF) - Japan Radio Corporation

부품명

상세내역

일치하는 목록

NJU6635CH

16-CHARACTER 2-LINE DOT MATRIX LCD CONTROLLER DRIVER

Japan Radio Corporation  

NJU6635

s TERMINAL DESCRIPTION

PAD No.

SYMBOL I/O

A mode B mode

4–9

4–9

VDD, VSS

–

10 – 14 10 – 14 V2, V3, V5 –

2

2

OSC1

I

3

3

OSC2

O

16

16

RS

I

17

17

R/W

I

18

18

E

I

26 – 23 26 – 23 DB7 – DB4 I/O

19 – 22 19 – 22 DB3 – DB0 I/O

32 – 39, 133 – 126, COM1 – O

126 – 133 39 – 32

COM16

43 – 122 122 – 43 SEG1 – O

SEG80

15

15

RESET

I

1,

27 – 31,

40 – 42,

1,

DUMMY1 O

27 – 31,

–

40 – 42, DUMMY15

123 – 125, 123 – 125,

134 – 137 134 – 137

FUNCTION

Power Source : VDD = +5V, GND : VSS = 0V

LCD driving Power Source

Oscillation Frequency Adjustment Terminals. Normally Open.

(Oscillation C and R are Incorporated, Osc Freq.=540kHZ)

Oscillation Frequency Adjustment Terminals. Normally Open.

This terminal also operates as the clock frequency monitor.

Resister selection signal Input

"0":Instruction Resister (Writing)

Busy Flag

(Reading)

"1":Data Register (Writing / Reading)

Read/Write selection signal Input

"0":Write "1":Read

Read/write activation Signal Input

3-state Data Bus(Upper) to transfer the data between MPU and

NJU6635.

DB7 is also used for the Busy Flag reading.

3-state Data Bus(Lower) to transfer the data between MPU and

NJU6635.

In serial and 4bit parallel mode, these terminals are not used

and should be open.

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=540kHz)

Dummy Terminal

These terminals are electrically open.

Share Link: