NJU6533 Datasheet, PDF (1/4 Pages) New Japan Radio – 1/3, 1/4 Duty LCD Driver

1/3, 1/4 Duty LCD Driver
NJU6533
PRELIMINARY
! GENERAL DESCRIPTION
NJU6533 is a 1/3 or 1/4 duty segment type LCD driver.
It incorporates 4 common driver circuits and 32 segment driver
circuits. NJU6533 can drive maximum 96 segments in 1/3 duty
ratio and maximum 128 segments in 1/4 duty ratio.
Controlled by MPU, NJU6533 can be used in many LCD
applications
! PACKAGE OUTLINE
NJU6533KQ1
! FEATURES
# LCD driving circuit
:Max. 32outputs (4 outputs as for general purpose ports)
# Programmable Duty Ratio
1/3 duty ratio
:Driving max. 96 segments
1/4 duty ratio
:Driving max. 128 segments
# Programmable Bias Ratio :1/2, 1/3 bias ratio
# Serial Data Transfer
:Shift clock max. 2MHz
# Built-in Oscillator
:CR oscillation with external resistor, or external oscillation signal input.
# Display OFF
:INHb pin
# Operating Voltage
:3V / 5.0V
# C-MOS Technology
:P-Sub
# Package Outline
:QFN48
! BLOCK DIAGRAM
COM1 COM4 SEG1 SEG8 SEG9 SEG16 SEG17 SEG24 SEG25
SEG32/P4
VDD
VLCD
V1
V2
VSS
INHb
COM
Drivers
Segment Drivers /General Purpose Output Ports
Data Latch Circuit
OSC1
OSC2
CSb
SCK
SI
RSTb
Oscillator
Decoder
Display Data Register
Command Register
Power ON Reset Circuit
Ver.2004-03-05
-1-