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LC75829PW 데이터시트 PDF




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부품번호 LC75829PW 기능
기능 1/4 and 1/3-Duty General-Purpose LCD Display Driver
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LC75829PW 데이터시트, 핀배열, 회로
Ordering number : ENA1462
LC75829PE,
CMOS IC
1/4 and 1/3-Duty General-Purpose
LC75829PW LCD Display Driver
Overview
The LC75829PE and LC75829PW are 1/4 duty and 1/3 duty general-purpose microprocessor-controlled LCD drivers
that can be used in applications such as frequency display in products with electronic tuning.
In addition to being able to drive up to 208 segments directly, the LC75829PE and LC75829PW can also control up to 4
general-purpose output ports. Incorporation of an oscillation circuit helps to reduce the number of external resistors and
capacitors required.
Features
Support for 1/4-duty 1/3-bias or 1/3-duty 1/3-bias drive techniques under serial data control.
When 1/4-duty: Capable of driving up to 208 segments
When 1/3-duty: Capable of driving up to 159 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 clock output function of 1ch.
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.
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)
CCB is a registered trademark of SANYO Semiconductor Co., Ltd.
CCB is SANYO Semiconductor's original bus format. All bus addresses are managed by SANYO
Semiconductor for this format.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
52709HKIM 20090421-S00013,20090421-S00010 No.A1462-1/22
http://www.Datasheet4U.com




LC75829PW pdf, 반도체, 판매, 대치품
LC75829PE, 75829PW
1. When CL is stopped at the low level
VIH1
CE
VIH1
CL 50%
VIL1
VIH1
DI
VIL1
tr
tds
tφH
tdh
tφL
tf
tcp tcs
[Figure 2]
2. When CL is stopped at the high level
CE
tφL tφH
CL
tf tr
DI
tds tdh
VIH1
VIH1
50%
VIL1
VIH1
VIL1
tcp tcs
[Figure 3]
3. OSCI pin clock timing in external clock operating mode
OSCI
VIH2
50%
VIL2
tCKH
tCKL
1
fCK= tCKH+tCKL [kHz]
DCK=
tCKH
tCKH+ tCKL
×100[%]
[Figure 4]
VIL1
tch
VIL1
tch
No.A1462-4/22
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LC75829PW 전자부품, 판매, 대치품
LC75829PE, 75829PW
Pin Functions
Handling
Symbol
Pin No.
Function
Active I/O
when
unused
S1/P1 to S4/P4
S5 to S50
S52
1 to 4
5 to 50
55
Segment outputs for displaying the display data transferred by serial data input.
The S1/P1 to S4/P4 pins can be used as general-purpose output ports under serial
data control.
-
O OPEN
COM1 to COM3
COM4/S51
54 to 52
51
S53/OSCI
CE
CL
DI
60
62
63
64
INH 61
VDD1
VDD2
VDD
VSS
57
58
56
59
Common driver outputs
The frame frequency is fo[Hz].
The COM4/S51 pin can be used as a segment output in 1/3 duty.
Segment output. This pin can also be used as the external clock input pin when the
external clock operating mode is selected by control data.
Serial data transfer inputs. Must be connected to the controller.
CE: Chip enable
CL: Synchronization clock
DI: Transfer data
Display off control input
• INH = low (VSS) ...Display forced off
S1/P1 to S4/P4 = low (VSS)
(These pins are forcibly set to the general-purpose output port
function and held at the VSS level.)
S9 to S50, S52=low (VSS)
COM1 to COM3=low (VSS)
COM4/S51=low (VSS)
S53/OSCI=low (VSS)
(This pin is forcibly set to the segment output port function and
held at the VSS level.)
Stops the internal oscillator.
Inhibits external clock input.
• INH = high (VDD)...Display on
Enables the internal oscillator circuit.
(Internal oscillator operating mode)
Enables external clock input.
(External clock operating mode)
However, serial data transfer is possible when the display is forced off.
Used to apply the LCD drive 2/3 bias voltage externally.
Used to apply the LCD drive 1/3 bias voltage externally.
Power supply pin. A power voltage of 4.5 to 6.0V must be applied to this pin.
Ground pin. Must be connected to ground.
-
-
H
-
L
-
-
-
-
O OPEN
I/O OPEN
I
I GND
I
I GND
I OPEN
I OPEN
--
--
No.A1462-7/22
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관련 데이터시트

부품번호상세설명 및 기능제조사
LC75829PE

1/4 and 1/3-Duty General-Purpose LCD Display Driver

Sanyo
Sanyo
LC75829PE

1/4 and 1/3-Duty General-Purpose LCD Display Driver

ON Semiconductor
ON Semiconductor

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