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LC75878W Schematic ( PDF Datasheet ) - Sanyo Semicon Device

Teilenummer LC75878W
Beschreibung 1/8 to 1/10 Duty General-Purpose LCD Display Drivers
Hersteller Sanyo Semicon Device
Logo Sanyo Semicon Device Logo 




Gesamt 30 Seiten
LC75878W Datasheet, Funktion
Ordering number : ENN*6473
CMOS IC
LC75878E, 75878W
1/8 to 1/10 Duty General-Purpose LCD Display Drivers
Preliminary
Overview
The LC75878E and LC75878W are 1/8 to 1/10 duty
general-purpose LCD display drivers used for character
and graphics display. These products operate under the
control of a microcontroller and can directly drive an LCD
with up to 730 segments. They can also control up to 4
general-purpose output ports.
Features
• 1/8duty–1/4bias, 1/9duty–1/4bias, and 1/10duty–1/4bias
drive schemes can be controlled from serial data.
1/8duty–1/4bias: up to 600 segments
1/9duty–1/4bias: up to 666 segments
1/10duty–1/4bias: up to 730 segments
• 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.
• Direct display of display data without the use of a
decoder provides high generality.
• Built-in display contrast adjustment circuit.
• Up to 4 general-purpose output ports are included.
• Independent LCD driver block power supply VLCD.
• The INH pin is provided. This pin turns off the display
and forces the general-purpose output ports to the low
level.
• RC oscillator circuit
Package Dimensions
unit: mm
3151-QFP100E
[LC75878E]
0.575
80
81
0.65
23.2
20.0
0.3
1.6
0.575
51
50
0.15
100
1
31
30
0.1
2.7
21.6 0.8
SANYO: QFP100E
unit: mm
3181B-SQFP100
[LC75878W]
1.0 0.5
75
16.0
14.0
1.0
51
76
50
0.145
100
1
0.2
26
25 0.1
1.4
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
0.5 0.5
SANYO: SQFP100
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
41000RM (OT) No. 6473 -1/33






LC75878W Datasheet, Funktion
Block Diagram
LC75878E, 75878W
GENERAL PORT
CLOCK
GENERATOR
CONTRAST
ADJUSTER
COMMON
DRIVER
SEGMENT DRIVER & LATCH
CONTROL
REGISTER
SHIFT REGISTER
CCB INTERFACE
No. 6473-6/33

6 Page









LC75878W pdf, datenblatt
3. 1/10 duty
x When CL is stopped at the low level
• When the display data is transferred.
LC75878E, 75878W
CCB
address
8 bits
Display
data
150 bits
CCB
address
8 bits
Display
data
150 bits
CCB
address
8 bits
Display
data
150 bits
CCB
address
8 bits
Display
data
150 bits
CCB
address
8 bits
Display
data
130 bits
• When the control data is transferred.
CCB
address
8 bits
Note: B0 to B3, A0 to A3 ...... CCB address
DD ................................ Direction data
Control
data
13 bits
Fixed
data
27 bits
DD
3 bits
Fixed
data
7 bits
DD
3 bits
Fixed
data
7 bits
DD
3 bits
Fixed
data
7 bits
DD
3 bits
Fixed
data
7 bits
DD
3 bits
DD
3 bits
No. 6473-12/33

12 Page





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