NJU6434C View Datasheet(PDF) - Japan Radio Corporation

Part Name

Description

Manufacturer

NJU6434C

1/4 DUTY LCD DRIVER

Japan Radio Corporation  

! PIN CONFIGURATION

NJU6434

SEG45

SEG46

SEG47

SEG48

SEG49

SEG50

VLCD

INHb

SCL

DATA

CE

MODE

VSS

OSC1

OSC2

VDD

NJU6434

SEG28

SEG27

SEG26

SEG25

SEG24

SEG23

SEG22

SEG21

SEG20

SEG19

SEG18

SEG17

SEG16

SEG15

SEG14

SEG13

! TERMINAL DESCRIPTION

No.

5~54

1~4

SYMBOL

SEG1~SEG50

COM1~COM4

62

OSC1

63

OSC2

64

VDD

61

VSS

55

VLCD

59

CE

57

SCL

58

DATA

60

MODE

56

INHb

FUNCTION

LCD Segment Output Terminals

LCD Common Output Terminals

Oscillation Terminals :

External resistance is connected to these terminals.

In External clock operation, the external clock input to OSC1

terminal. OSC2 terminal should be opened.

Power Supply (+5V)

Power Supply (0V)

Power Supply for LCD Driving

Chip Enable Signal Input Terminal :

"H" : LCD display data and mode setting data input

"L" : Disable

Fall Edge : LCD display data latch

Serial Data Transmission Clock Input Terminal :

LCD display and Mode setting data are input synchronized

SCL clock signal rise edge.

Serial Data Input Terminal

Data input timing : SCL clock rise edge

Data or Mode Select Terminal

"H" : Data input mode

"L" : LCD display data input mode

(Refer the mode setting table for mode setting contents)

Display-Off Control Terminal :

When display goes to off, the display data in the shift-register is

retained.

"H" : Display-On

"L" : Display-Off

Ver.2009-11-12

-3-

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