© Semiconductor Components Industries, LLC, 2017 1 Publication Order Number :
July 2017 - Rev. 1 LC75844M/D
www.onsemi.com
ORDERING INFORMATION
See detailed ordering and shipping information on page 16 of this data sheet.
* Computer Control Bus (CCB) is an ON Semiconductor’s original bus format and
the bus addresses are controlled by ON Semiconductor.
LC75844M
1/4-Duty General-Purpose
LCD Driver
Overview
The LC75844M is a 1/4 duty general-purpose LCD driver that can be
used for frequency display in electronic tuners under the control of a
microcontroller. The LC75844M can drive an LCD with up to 88
segments directly. The LC75844M can also control up to 4 general-
purpose output ports. Since the LC75844M uses separate power supply
systems for the LCD drive block and the logic block, the LCD driver
block power-supply voltage can be set to any voltage in the range 2.7 to
6.0 volts, regardless of the logic block power-supply voltage.
Application
Car, Home frequency display
Features
Support for 1/4 duty 1/2 bias or 1/4 duty 1/3 bias drive of up to 88
segments under serial data control.
Serial data input supports CCB format communication with the system
controller.
Serial data control of the power-saving mode based backup function
and all the segments forced off function
Serial data control of switching between the segment output port and
the general-purpose output port functions
High generality, since display data is displayed directly without decoder
intervention.
Independent V
LCD
for the LCD driver block (V
LCD
can be set to any
voltage in the range 2.7 to 6.0 volts, regardless of the logic block
power-supply voltage.)
The INH
pin can force the display to the off state.
RC oscillator circuit
SOIC36 W / MFP36SDJ (375 mil)