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PDF LC75843UGA Data sheet ( Hoja de datos )
| Número de pieza | LC75843UGA | |
| Descripción | 1/1 to 1/4 Duty General-Purpose LCD Display Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA2226B
LC75843UGA
CMOS IC
1/1 to 1/4 Duty General-Purpose
LCD Display Driver
http://onsemi.com
Overview
The LC75843UGA is the 1/1 to 1/4 duty general-purpose microprocessor-controlled LCD driver that can be used in
applications such as Automotive display. In addition to being able to drive up to 100 segments directly, the
LC75843UGA can also control up to 4 general-purpose output ports. Because it has the PWM output of a maximum
of 3ch, the brightness control of the LED backlight of RGB can be done. Incorporation of an oscillation circuit helps
to reduce the number of external resistors and capacitors required.
Features
Support for static(1/1duty) or 1/2-duty 1/2-bias or 1/3-duty 1/3-bias or 1/4-duty 1/3-bias drive techniques under
serial data control.
When 1/1-duty : Capable of driving up to 28 segments
When 1/2-duty : Capable of driving up to 54 segments
When 1/3-duty : Capable of driving up to 78 segments
When 1/4-duty : Capable of driving up to 100 segments
Serial data input supports CCB format communication with the system controller.
(Support 3.3V and 5V operation)
Serial data control of the power-saving mode based backup function and the all segments forced off function.
Serial data control of switching between the segment output port and general-purpose output port function.
(Support for up to 4 general-purpose output ports)
Support for the PWM output function of a maximum of 3ch. ( It can output from the general-purpose output port ).
Support for clock output function of 1ch.( It can output from the general-purpose output port ).
Serial data control of the frame frequency of the common and segment output waveforms.
Serial data control of switching between the internal oscillator operating mode and external clock operating mode.
High generality, since display data is displayed directly without the intervention of a decoder circuit.
Built-in LCD drive bias voltage stabilization circuit.
The INH pin allows the display to be forced to the off state.
Incorporation of an oscillator circuit. (Incorporation of resistor and capacitor for an oscillation)
AEC-Q100 qualified and PPAP capable.
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.
TSSOP36(275mil)
ORDERING INFORMATION
See detailed ordering and shipping information on page 35 of this data sheet.
Semiconductor Components Industries, LLC, 2014
January, 2014
12314HK 20131220-S00002/D2013HK/D1113HKPC No.A2226-1/35
1 page  
Pin Assignment
LC75843UGA
36 19
LC75843UGA
(TSSOP36)
1
Package Dimensions
TSSOP36(275mil)
unit : mm
18
Top view
No.A2226-5/35
5 Page 
(2) When CL is stopped at the high level
LC75843UGA
CE
CL
DI 0 0 1 0 0 0 1 0 D1 D2
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
8 bits
D69 D70 D71 D72 D73 D74 D75 D76 D77 D78 0 0 0 0 0 0 0 0 0 0 0 0 0 0 DT0 DT1 0 1
Display data
78 bits
Control data
16 bits
DD
2 bits
0 0 1 0 0 0 1 0 W10 W11 W12 W13 W14 W15 W20 W21 W22 W23 W24 W25 W30 W31 W32 W33 W34 W35 0 0 0 0
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
8 bits
Control data
18 bits
Fixed data
4 bits
PF0 PF1 PF2 PF3 PS10 PS11 PS20 PS21 PS30 PS31 PS40 PS41 P0 P1 P2 FC0 FC1 FC2 FC3 DN EXF OC SC BU 1 0
Control data
24 bits
DD
2 bits
Note: DD is the direction data
• CCB address ................................................ “44H”
• D1 to D78 .................................................... Display data
• DT0, DT1 .................................................... 1/1-duty to 1/4-duty drive switching control data
• W 10 to W15, W20 to W25, W30 to W35 ... PWM data of the PWM output
• PF0 to PF3 ................................................... PWM output waveform frame frequency setting control data
• PS10, PS11 to PS40, PS41 .......................... General-purpose output port (P1 to P4) function setting control data
• P0 to P2 ....................................................... Segment output port/general-purpose output port switching control data
• FC0 to FC3 .................................................. Common/segment output waveform frame frequency setting control data
• DN ............................................................... S28 pin state setting control data
• EXF ............................................................. External clock operating frequency setting control data
• OC ............................................................... Internal oscillator operating mode/external clock operating mode
switching control data
• SC ................................................................ Segment on/off control data
• BU ............................................................... Normal mode/power-saving mode control data
No.A2226-11/35
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LC75843UGA.PDF ] | |
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