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PDF LC75808W Data sheet ( Hoja de datos )
| Número de pieza | LC75808W | |
| Descripción | 1/8 to 1/10 Duty LCD Display Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LC75808W (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Ordering number : EN6370B
LC75808W
CMOS IC
1/8 to 1/10 Duty
LCD Display Driver
with Key Input Function
http://onsemi.com
Overview
The LC75808W is 1/8 to 1/10 duty LCD display driver that can directly drive up to 600 segments and can control up
to four general-purpose output ports. This product also incorporates a key scan circuit that accepts input from up to 30
keys to reduce printed circuit board wiring.
Features
• Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)
• 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 480 segments
1/9duty–1/4bias: up to 540 segments
1/10duty–1/4bias: up to 600 segments
• Sleep mode and all segments off functions that are controlled from serial data.
• Serial data I/O supports CCB format communication with the system controller.
• 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.
• Provision of an on-chip voltage-detection type reset circuit prevents incorrect displays.
• The INH pin is provided. This pin turns off the display, disables key scanning, and forces the general-purpose
output ports to the low level.
• RC oscillator circuit.
• 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.
Semiconductor Components Industries, LLC, 2013
July, 2013
O2710HKIM B8-7237/31000RM(OT)/128000RM No.6370-1/38
1 page  
Pin Assignment
75
76
KS6
KI1
KI2
KI3
KI4
KI5
P1
P2
P3
P4
VDD
VLCD
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VSS
TEST
OSC
INH
DO
CE
CL
DI
100
1
Block Diagram
LC75808W
LC75808W
(SQFP100)
51
50
S50
S49
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
26
25
A12898
Top view
VLCD
VLCD 0
VLCD 1
VLCD 2
VLCD 3
VLCD 4
VDD
VSS
TEST
GENERAL
PORT
COMMON
DRIVER
CONTRAST
ADJUSTER
VDET
CLOCK
GENERATOR
SEGMENT DRIVER & LATCH
CONTROL
REGISTER
SHIFT REGISTER
CCB INTERFACE
KEY BUFFER
KEY SCAN
A12902
No.6370-5/38
5 Page 
3. 1/10 duty
(1) When CL is stopped at the low level.
• When the display data is transferred.
CE
CL
DI 0 1 0 0 0 0 1 0 D1 D2
B0 B1 B2 B3 A0 A1 A2 A3
DO
LC75808W
D141 D142 D143 D144 D145 D146 D147 D148 D149 D150 0 0 0 0 0 0 0 0 0 0
Display data
Fixed data
DD
0 1 0 0 0 0 1 0 D151 D152
B0 B1 B2 B3 A0 A1 A2 A3
D291 D292 D293 D294 D295 D296 D297 D298 D299 D300 0 0 0 0 0 0 0 0 0 1
Display data
Fixed data
DD
0 1 0 0 0 0 1 0 D301 D302
B0 B1 B2 B3 A0 A1 A2 A3
D441 D442 D443 D444 D445 D446 D447 D448 D449 D450 0 0 0 0 0 0 0 0 1 0
Display data
Fixed data
DD
0 1 0 0 0 0 1 0 D451 D452
B0 B1 B2 B3 A0 A1 A2 A3
D591 D592 D593 D594 D595 D596 D597 D598 D599 D600 0 0 0 0 0 0 0 0 1 1
Display data
Fixed data
DD
• When the control data is transferred.
CE
CL
DI 0 1 0 0 0 0 1 0 KC1 KC2 KC3 KC4 KC5 KC6 PC1 PC2 PC3 PC4 CT0 CT1 CT2 CT3 CTC SC SP DT1 DT2 0 0 1 0 0
B0 B1 B2 B3 A0 A1 A2 A3
Control data
DD
DO
Note: B0 to B3, A0 to A3 ........ CCB address
DD ................................ Direction data
A12907
No.6370-11/38
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LC75808W.PDF ] | |
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