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PDF LC75884W Data sheet ( Hoja de datos )

Número de pieza LC75884W
Descripción 1/4 Duty LCD Display Drivers with Key Input Function
Fabricantes Sanyo Semicon Device 
Logotipo Sanyo Semicon Device Logotipo



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No Preview Available ! LC75884W Hoja de datos, Descripción, Manual

Ordering number : EN6086
CMOS IC
LC75884E, LC75884W
1/4 Duty LCD Display Drivers with Key Input Function
Overview
The LC75884E and LC75884W are 1/4 duty LCD display
drivers that can directly drive up to 220 segments and can
control up to four general-purpose output ports. These
products also incorporate 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.)
• 1/4duty - 1/2bias and 1/4duty - 1/3bias drive schemes
can be controlled from serial data (up to 220 segments).
• Sleep mode and all segments off functions that are
controlled from serial data.
• Segment output port/general-purpose output port
function switching that is 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.
• Independent VLCD for the LCD driver block (VLCD can
be set to in the range VDD-0.5 to 6.0 volts.)
• Provision of an on-chip voltage-detection type reset
circuit prevents incorrect displays.
• RES pin provided for forcibly initializing the IC internal
circuits.
• RC oscillator circuit.
• 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.
Package Dimensions
unit: mm
QFP80E
0.8 0.8
64
65
[LC75884E]
23.2
20.0
0.35
1.6
41
40
0.15
80
1
25
24
2.7
unit: mm
SQFP80
21.6 0.8
SANYO: QFP80E(QIP80E)
[LC75884W]
1.25
60
14.0
12.0
0.5
1.25
41
0.135
61 40
80
1
21
0.2 20
0.5 0.5
SANYO: SQFP80
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 Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
22299RM (OT) No. 6086-1/27

1 page




LC75884W pdf
Pin Assignment
LC75884E, LC75884W
No. 6086-5/27

5 Page





LC75884W arduino
LC75884E, LC75884W
4. SC : Segment on/off control data
This control data bit controls the on/off state of the segments.
SC Display state
0 on
1 off
However, note that when the segments are turned off by setting SC to 1, the segments are turned off by outputting segment off waveforms from the segment
output pins.
5. DR : 1/2 bias or 1/3 bias drive selection data
This control data bit switches between LCD 1/2 bias or 1/3 bias drive.
DR Drive scheme
0 1/3 bias drive
1 1/2 bias drive
Display Data and Output Pin Correspondence
Output pin
COM1 COM2 COM3 COM4
Output pin
COM1 COM2 COM3 COM4
S1/P1
D1 D2 D3 D4
S29 D113 D114 D115 D116
S2/P2
D5 D6 D7 D8
S30 D117 D118 D119 D120
S3/P3
D9 D10 D11 D12
S31 D121 D122 D123 D124
S4/P4
D13 D14 D15 D16
S32 D125 D126 D127 D128
S5 D17 D18 D19 D20
S33 D129 D130 D131 D132
S6 D21 D22 D23 D24
S34 D133 D134 D135 D136
S7 D25 D26 D27 D28
S35 D137 D138 D139 D140
S8 D29 D30 D31 D32
S36 D141 D142 D143 D144
S9 D33 D34 D35 D36
S37 D145 D146 D147 D148
S10 D37 D38 D39 D40
S38 D149 D150 D151 D152
S11 D41 D42 D43 D44
S39 D153 D154 D155 D156
S12 D45 D46 D47 D48
S40 D157 D158 D159 D160
S13 D49 D50 D51 D52
S41 D161 D162 D163 D164
S14 D53 D54 D55 D56
S42 D165 D166 D167 D168
S15 D57 D58 D59 D60
S43 D169 D170 D171 D172
S16 D61 D62 D63 D64
S44 D173 D174 D175 D176
S17 D65 D66 D67 D68
S45 D177 D178 D179 D180
S18 D69 D70 D71 D72
S46 D181 D182 D183 D184
S19 D73 D74 D75 D76
S47 D185 D186 D187 D188
S20 D77 D78 D79 D80
S48 D189 D190 D191 D192
S21 D81 D82 D83 D84
S49 D193 D194 D195 D196
S22 D85 D86 D87 D88
S50 D197 D198 D199 D200
S23 D89 D90 D91 D92
S51 D201 D202 D203 D204
S24 D93 D94 D95 D96
S52 D205 D206 D207 D208
S25 D97 D98 D99 D100
S53 D209 D210 D211 D212
S26 D101 D102 D103 D104
KS1/S54
D213 D214 D215 D216
S27 D105 D106 D107 D108
KS2/S55
D217 D218 D219 D220
S28 D109 D110 D111 D112
Note: This is for the case where the output pins S1/P1 to S4/P4, KS1/S54 and KS2/S55 are selected for use as segment outputs.
No. 6086-11/27

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