LC75824E, 75824W Duty General-Purpose Display Driver Overvie
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Ordering number EN5252A
LC75824E, 75824W
Duty General-Purpose Display Driver
Overview
LC75824E LC75824W duty generalpurpose display drivers that used frequency display electronic tuners under control microcontroller. addition being able directly drive segments, LC75824E LC75824W also control general-purpose output ports.
Package Dimensions
unit: 3159-QFP64E
[LC75824E]
Features
Support duty bias duty bias drive segments under serial data control Serial data input supports CCB* format communication with system controller. Serial data control power-saving mode based backup function segments forced function Serial data control switching between segment output port general-purpose output port functions Serial data control normal mode current drain High generality since display data displayed directly without decoder intervention. force display state. oscillator circuit
SANYO: QFP64E
unit: 3190-SQFP64
[LC75824W]
trademark SANYO ELECTRIC CO., LTD. SANYO's original format addresses controlled SANYO. SANYO: SQFP64
SANYO products described contained herein have specifications that handle applications that require extremely high levels reliability, such life-support systems, aircraft's control systems, other applications whose failure reasonably expected result serious physical and/or material damage. Consult with your SANYO representative nearest before using SANYO products described contained herein such applications. SANYO assumes responsibility equipment failures that result from using products values that exceed, even momentarily, rated values (such maximum ratings, operating condition ranges, other parameters) listed products specifications SANYO products described contained herein.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
93098HA (OT)/N3095HA (OT) No.5252-1/17
LC75824E, 75824W Assignment
view
Specifications
Absolute Maximum Ratings 25°C,
Parameter Maximum supply voltage Input voltage Output voltage Symbol VIN1 VIN2 VOUT IOUT1 Output current IOUT2 IOUT3 Allowable power dissipation Operating temperature Storage temperature Topr Tstg OSC, VDD1, VDD2 OSC, S51, COM1 COM4, COM1 COM4 85°C Conditions Ratings -0.3 +7.0 -0.3 +7.0 -0.3 -0.3 +125 Unit
No.5252-2/17
LC75824E, 75824W Allowable Operating Ranges 85°C,
Parameter Supply voltage Input voltage Input high-level voltage Input low-level voltage Recommended external resistance Recommended external capacitance Guaranteed oscillation range Data setup time Data hold time wait time setup time hold time High-level clock pulse width Low-level clock pulse width Rise time Fall time switching time Symbol VDD1 VDD2 ROSC COSC fOSC VDD1 VDD2 Figure Figure Figure Figure Figure Figure Figure Figure Figure INH, Figure Conditions Unit
Electrical Characteristics Allowable Operating Ranges
Parameter Hysteresis Input high-level current Input low-level current Symbol VOH1 Output high-level voltage VOH2 VOH3 VOL1 Output low-level voltage VOL2 VOL3 VMID1 VMID2 Output middle-level voltage* VMID3 VMID4 VMID5 Oscillator frequency fOSC IDD1 IDD2 IDD3 IDD4 IDD5 IDD6 IDD7 IDD8 IDD9 INH: INH: S51: COM1 COM4: -100 P12: S51: COM1 COM4: P12: COM1 COM4: bias, ±100 S51: bias, S51: bias, COM1 COM4: bias, ±100 COM1 COM4: bias, ±100 OSC: ROSC COSC Power-saving mode outputs open, bias, fOSC kHz, control data outputs open, bias, fOSC kHz, control data outputs open, bias, fOSC kHz, control data outputs open, bias, fOSC kHz, control data outputs open, bias, fOSC kHz, control data outputs open, bias, fOSC kHz, control data outputs open, bias, fOSC kHz, control data outputs open, bias, fOSC kHz, control data -5.0 Conditions Unit
Current drain
Note: Excluding bias voltage generation divider resistors built into VDD1 VDD2. (See Figure
No.5252-3/17
LC75824E, 75824W
Figure When stopped level
When stopped high level
Figure
No.5252-4/17
LC75824E, 75824W Block Diagram
Functions
S1/P1 S12/P12, Function Segment outputs displaying display data transferred serial data input. Pins S1/P1 S12/P12 used general-purpose output ports when specified control data. Common driver outputs. frame frequency given (fOSC/512) Oscillator connection. oscillator circuit formed connecting external resistor capacitor this pin. Active Handling when unused Open
COM1 COM4
Open
Display control input (VSS) .Display forced Pins S1/P1 S12/P12 (These pins forced segment output port function held low.) COM1 COM4 high (VDD).Display Note that serial data transfers performed when display forced off. Used apply drive bias voltage. Short this VDD2 1/2-bias drive scheme used. Used apply drive bias voltage. Short this VDD1 1/2-bias drive scheme used. Power supply. Provide voltage between Ground. Connect this system ground. Serial data transfer inputs. These pins connected microcontroller. Chip enable Synchronization clock Transfer data
VDD1
Open
VDD2
Open
No.5252-5/17
LC75824E, 75824W Serial Data Input When stopped level
address bits
Display data bits
Control data bits
address bits
Display data bits
Fixed data bits
address bits
Display data bits
Fixed data bits
address bits
Display data bits
Fixed data bits
Note: direction data.
No.5252-6/17
LC75824E, 75824W When stopped high level
address bits
Display data bits
Control data bits
address bits
Display data bits
Fixed data bits
address bits
Display data bits
Fixed data bits
address bits
Display data bits
Fixed data bits
Note: direction data.
address.41H D204.Display data .Normal mode current drain control data .Segment output port/general-purpose output port switching control data .1/2-bias drive 1/3-bias drive switching control data SC.Segments on/off control data .Normal mode/power-saving mode control data
No.5252-7/17
LC75824E, 75824W Serial Data Transfer Examples When more segments used bits serial data must sent.
When fewer than segments used Either bits, bits, bits serial data must sent, depending number segments actually used. However, serial data shown figure below (the display data control data) must always sent.
No.5252-8/17
LC75824E, 75824W Control Data Functions Normal mode current drain control data This control data controls current drain normal mode.
Current drain mode normal mode Normal current drain mode (IDD2, IDD3, IDD4, IDD5) current drain mode (IDD6, IDD7, IDD8, IDD9)
However, note that common segment output waveforms easily caused distortion when current drain mode selected setting because this mode capacity supply current panel from common segment pins mode less than that normal current drain mode Segment output port/general-purpose output port switching control data These control data bits switch segment output port/general-purpose output port functions S1/P1 S12/P12 output pins.
Control data S1/P1 S2/P2 S3/P3 S4/P4 S5/P5 Output states S6/P6 S7/P7 S8/P8 S9/P9 S10/P10 S11/P11 S12/P12
Note: 12): Segment output port function 12): General-purpose output port function
When general-purpose output port function selected output pins display data have correspondence listed tables below.
Output S1/P1 S2/P2 S3/P3 S4/P4 S5/P5 S6/P6 Corresponding display data Output S7/P7 S8/P8 S9/P9 S10/P10 S11/P11 S12/P12 Corresponding display data
example, when general-purpose output port function selected S4/P4 output pin, that output will output high level when display data will output level when
No.5252-9/17
LC75824E, 75824W bias drive bias drive switching control data This control data selects either bias drive bias drive.
Drive type bias drive bias drive
Segments on/off control data This control data controls on/off state segments.
Display state
However, note that when segments turned setting segments turned outputting segment waveforms from segment output pins. Normal mode/power-saving mode control data This control data selects either normal mode power-saving mode.
Normal mode Power-saving mode. this mode oscillator stopped common segment pins output levels. However, S1/P1 S12/P12 output pins still used general-purpose output ports under control control data bits Mode
No.5252-10/17
LC75824E, 75824W Display Data Output Correspondence
Output S1/P1 S2/P2 S3/P3 S4/P4 S5/P5 S6/P6 S7/P7 S8/P8 S9/P9 S10/P10 S11/P11 S12/P12 COM1 COM2 COM3 COM4 D100 Output COM1 D101 D105 D109 D113 D117 D121 D125 D129 D133 D137 D141 D145 D149 D153 D157 D161 D165 D169 D173 D177 D181 D185 D189 D193 D197 D201 COM2 D102 D106 D110 D114 D118 D122 D126 D130 D134 D138 D142 D146 D150 D154 D158 D162 D166 D170 D174 D178 D182 D186 D190 D194 D198 D202 COM3 D103 D107 D111 D115 D119 D123 D127 D131 D135 D139 D143 D147 D151 D155 D159 D163 D167 D171 D175 D179 D183 D187 D191 D195 D199 D203 COM4 D104 D108 D112 D116 D120 D124 D128 D132 D136 D140 D144 D148 D152 D156 D160 D164 D168 D172 D176 D180 D184 D188 D192 D196 D200 D204
Note: These tables assume that segment output port function selected S1/P1 S12/P12 output pins.
table presents states output example.
Display data Output (S21) state segments corresponding COM1 COM4 off. segment corresponding COM4 (lit). segment corresponding COM3 segments corresponding COM3 COM4 segment corresponding COM2 segments corresponding COM2 COM4 segments corresponding COM2 COM3 segments corresponding COM2, COM3, COM4 segment corresponding COM1 segments corresponding COM1 COM4 segments corresponding COM1 COM3 segments corresponding COM1, COM3, COM4 segments corresponding COM1 COM2 segments corresponding COM1, COM2, COM4 segments corresponding COM1, COM2, COM3 segments corresponding COM1 COM4
No.5252-11/17
LC75824E, 75824W Duty, Bias Drive Scheme
COM1
COM2
COM3
COM4
driver output segments corresponding COM1 COM4 off.
driver output only segment corresponding COM1 (lit).
driver output only segment corresponding COM2
driver output segment corresponding COM1 COM2
driver output only segment corresponding COM3
driver output segment corresponding COM1 COM3
driver output segment corresponding COM2 COM3
driver output segment corresponding COM1, COM2, COM3
driver output only segment corresponding COM4
driver output segment corresponding COM2 COM4
driver output segments corresponding COM1 COM4
Duty, Bias Waveforms
No.5252-12/17
LC75824E, 75824W Duty, Bias Drive Scheme
COM1
COM2
COM3
COM4
driver output segments corresponding COM1 COM4 off.
driver output only segment corresponding COM1 (lit).
driver output only segment corresponding COM2
driver output segment corresponding COM1 COM2
driver output only segment corresponding COM3
driver output segment corresponding COM1 COM3
driver output segment corresponding COM2 COM3
driver output segment corresponding COM1, COM2, COM3
driver output only segment corresponding COM4
driver output segment corresponding COM2 COM4
driver output segments corresponding COM1 COM4
Duty, Bias Waveforms
No.5252-13/17
LC75824E, 75824W Display Control Since internal data (the display data D204 control data) undefined when power first applied, applications should prevent meaningless displays with following procedure. First, same time power applied turn display. This will S1/P1 S12/P12, S51, COM1 COM4 pins low. While held low, microcontroller should send serial data. Finally, application high. (See Figure
Display control data transfer
t1.Determined value
Internal data
Undefined
Defined
tc.10 minimum
Figure Notes Microcontroller Transfer Display Data Since LC75824E LC75824W accept display data divided into four separate transfer operations, recommend that applications make point completing four data transfers within period more than guarantee quality displayed image.
No.5252-14/17
LC75824E, 75824W Sample Application Circuit bias (normal panels)
General-purpose output ports Used example, backlight control.
0.047
From microcontroller
Sample Application Circuit bias (large panels)
General-purpose output ports Used example, backlight control.
0.047
From microcontroller
panel segments)
panel segments)
No.5252-15/17
LC75824E, 75824W Sample Application Circuit bias (normal panels)
General-purpose output ports Used example, backlight control.
0.047
From microcontroller
Sample Application Circuit bias (large panels)
General-purpose output ports Used example, backlight control.
0.047
From microcontroller
panel segments)
panel segments)
No.5252-16/17
LC75824E, 75824W
Specifications SANYO products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer's products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer's products equipment. SANYO Electric Co., Ltd. strives supply high-quality high-reliability products. However, semiconductor products fail with some probability. possible that these probabilistic failures could give rise accidents events that could endanger human lives, that could give rise smoke fire, that could cause damage other property. When designing equipment, adopt safety measures that these kinds accidents events cannot occur. Such measures include limited protective circuits error prevention circuits safe design, redundant design, structural design. event that SANYO products described contained herein fall under strategic products (including services) controlled under Foreign Exchange Foreign Trade Control Japan, such products must exported without obtaining export license from Ministry International Trade Industry accordance with above law. part this publication reproduced transmitted form means, electronic mechanical, including photocopying recording, information storage retrieval system, otherwise, without prior written permission SANYO Electric Co., Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties.
This catalog provides information September, 1998. Specifications information herein subject change without notice. No.5252-17/17
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