LC75890W Datasheet, PDF (1/29 Pages) Sanyo Semicon Device – 1/4duty and Static Drive General-Purpose LCD Display Drivers

Ordering number : ENA1971B
LC75890W
CMOS LSI
1/4 duty and Static Drive
General-Purpose
LCD Display Driver
http://onsemi.com
Overview
The LC75890W is the 1/4 duty and static drive general-purpose LCD display driver that can be used for displaying
segments for household appliances, home audio visual products, portable devices and other such products under the
control of a microcontroller.The LC75890W can drive up to 148 segments directly. In addition the LC75890W can
control up to 12 general-purpose output ports. They can control the brightness of the LED backlight of RGB, because
they have the PWM output of greatest 3CH built-in. Incorporation of the oscillation circuit helps to reduce the
number of external resistors and capacitors required. Incorporation of the LCD drive bias voltage stabilization circuit
helps to reduce the capacitors for the LCD drive bias voltage stabilization.
Features
 Support for 1/4-duty 1/3-bias or static drive techniques under serial data control.
When 1/4-duty drive : Capable of driving up to 148 segments
When Static drive : Capable of driving up to 37 segments
 Support for display segment on, off, or blinking for each segment output pin under serial data control.
 Serial data control of the power-saving mode based backup function and the all segments forced off function.
 Serial data control of switching between the segment output port and general-purpose output port function.
 Support for up to 12 general-purpose output ports
 Support for the PWM output function of a maximum of 3ch. (It can output from the general-purpose output port ).
 Serial data control of the frame frequency of the common and segment output waveforms.
 Serial data control of the segment blinking frequency.
 Serial data control of switching between the internal oscillator operating mode and external clock operating mode.
 Serial data input supports CCB format communication with the system controller.
 Independent VLCD for the LCD driver block.
 Built-in LCD drive bias voltage stabilization circuit.
 The INH pin allows the display to be forced to the off state.
 Incorporation of an oscillator circuit. (Incorporation of resistor and capacitor for an oscillation)
 CCB is ON Semiconductor® ’s original format.
All addresses are managed by ON Semiconductor®
for this format.
 CCB is a registered trademark of Semiconductor Components Industries, LLC.
SQFP48(7X7)
ORDERING INFORMATION
See detailed ordering and shipping information on page 29 of this data sheet.
Semiconductor Components Industries, LLC, 2013
November, 2013
N1313HK 20120216-S00001/30712HKPC/O2611HKPC No.A1971-1/29