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Motorola Electronic Components Datasheet

MC141803 Datasheet

LCD Segment / Common Driver

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MC141803 pdf
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
LCD Segment / Common Driver
with Controller
CMOS
MC141803 is a CMOS LCD Driver which consists of 4 annunciator outputs
and 153 high voltage LCD driving signals (33 commons and 120 segments).
MC141803 is split common output design. It has parallel interface capability for
operating with general MCU. Besides the general LCD driver features, it has
an on chip LCD bias Voltage Generator circuit such that fewer external com-
ponents are required during application.
• Single Supply Operation, 2.4 V - 3.5 V
• Operating Temperature Range : -30 to 85°C
• Low Current Stand-by Mode (<500nA)
• On Chip Bias Voltage Generator
• 8 Bit Parallel Interface
• Graphic Mode Operation
• On Chip 120 x 33 Graphic Display Data RAM
• 120 Segment Drivers, 33 Common Drivers
• Selectable 1/16, 1/32, 1/33 Multiplex Ratio
• Selectable on Chip Voltage Doubler and Tripler
• Selectable 1:5 or 1:7 Bias Ratio
• Re-mapping of Row and Column Drivers
• Four Stand Alone Annunciator (Static Icon) Driver Circuits
• Low Power Icon Mode Driven by Com32 in Special Driving Scheme
• Selectable LCD Driving Voltage Temperature Coefficients
• 16 Level Internal Contrast Control
• External Contrast Control Provided
• Master Clear RAM
• Standard TAB Package
MC141803
MC141803T
TAB
ORDERING INFORMATION
MC141803T TAB
REV 4
2/98
MOTOROLA
MC141803
3–313


Motorola Electronic Components Datasheet

MC141803 Datasheet

LCD Segment / Common Driver

No Preview Available !

MC141803 pdf
Block Diagram
Annun0
to
BP Annun3
Com0 to
Com32
Seg0~Seg119
OSC1
OSC2
DVSS
DVDD
Annunciator
Control
Circuit
Display
Timing
Generator
HV Buffer Cell Level Shifter
Level
Selector
33 Bit
Latch
120 Bit Latch
GDDRAM
33 X 120 Bits
LCD Driving
Voltage Generator
Tripler,
Doubler,
Voltage Regulator,
Voltage Divider,
Contrast Control,
Temperature
Compensation
Command Decoder
VLL6
VLL2
VCC
VR
VF
C2P
C2N
C1P
C1N
DUM2
DUM1
C+
C-
AVDD
AVSS
Command Interface
Parallel Interface
RES D/C CS (CLK) CE
R/W D0~D7
MC141803
3–314
MOTOROLA


Part Number MC141803
Description LCD Segment / Common Driver
Maker Motorola
Total Page 24 Pages
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