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PDF KS0759 Data sheet ( Hoja de datos )

Número de pieza KS0759
Descripción 81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD
Fabricantes Samsung semiconductor 
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KS0759
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81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD
DataShee
August. 1999.
Ver. 0.2
Prepared by Hyun-Oh,Lee
Contents in this document are subject to change without notice. No part of this document may be reproduced
or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express
written permission of LCD Driver IC Team.
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KS0759 pdf
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KS0759
PRELIMINARY SPEC. VER. 0.2
81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD
INTRODUCTION
The KS0759 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 81
common and 128 segment driver circuits. This chip is connected directly to a microprocessor, accepts serial or 8-
bit parallel display data and stores in an on-chip display data RAM of 81 x 128 bits. It provides a highly flexible
display section due to 1-to-1 correspondence between on-chip display data RAM bits and LCD panel pixels. And it
performs display data RAM read/write operation with no externally operating clock to minimize power
consumption. In addition, because it contains power supply circuits necessary to drive liquid crystal, it is possible
to make a display system with the fewest components.
FEATURES
et4U.com
Driver Output Circuits
81 common outputs / 128 segment outputs
Applicable Duty Ratios
Programmable duty ratio
Applicable LCD bias
1/17 to 1/81
Various partial display
Partial window moving & data scrolling
1/4 to 1/11
On-chip Display Data RAM
Capacity: 81 x 128 = 10,368 bits
Bit data "1": a dot of display is illuminated. DataSheet4U.com
Bit data "0": a dot of display is not illuminated.
Microprocessor Interface
8-bit parallel bi-directional interface with 6800-series or 8080-series.
SPI (Serial Peripheral Interface) available. (only write operation)
On-chip Low Power Analog Circuit
On-chip oscillator circuit
Voltage converter (x3, x4, x5 or x6)
Voltage regulator (temperature coefficient: -0.05%/°C or external input)
On-chip electronic contrast control function (64 steps)
Voltage follower (LCD bias: 1/4 to 1/11)
Operating Voltage Range
Supply voltage (VDD): 1.8 to 3.3 V
LCD driving voltage (VLCD = V0 - VSS): 4.0 to 15.0 V
Low power Consumption
TBD µΑ Typ. (Internal power supply on and display OFF)
Package Type
Gold bump chip or TCP
Maximum display area
81 × 128
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KS0759 arduino
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KS0759
PRELIMINARY SPEC. VER. 0.2
81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD
PIN DESCRIPTION
POWER SUPPLY
Table 2. Power Supply Pins
Name
I/O
Description
VDD Supply Power supply
VSS
V0
V1
V2
V3
V4
Supply Ground
LCD driver supplies voltages
The voltage determined by LCD pixel is impedance converted by an operational amplifier
for application.
Voltages should have the following relationship;
V0 V1 V2 V3 V4 VSS
I/O When the internal power circuit is active, these voltages are generated as following table
according to the state of LCD bias.
LCD bias
V1
V2
V3
V4
1/N bias
(N-1) / N x V0
NOTE: N = 4 to 11
(N-2) / N x V0
(2/N) x V0
(1/N) x V0
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LCD DRIVER SUPPLY
Table 3D.aLtaCSDheDerti4vUer.cSoumpply Pins
Name
I/O
Description
C1-
C1+
C2-
C2+
C3+
C4+
C5+
VOUT
VCI
VR
REF
VEXT
O Capacitor 1 negative connection pin for voltage converter
O Capacitor 1 positive connection pin for voltage converter
O Capacitor 2 negative connection pin for voltage converter
O Capacitor 2 positive connection pin for voltage converter
O Capacitor 3 positive connection pin for voltage converter
O Capacitor 4 positive connection pin for voltage converter
O Capacitor 5 positive connection pin for voltage converter
I/O Voltage converter input / output pin
I
Voltage converter input voltage pin
Voltages should have the following relationship: VDD VCI V0
I
V0 voltage adjustment pin
It is valid only when on-chip resistors are not used (INTRS = "L")
Selects the external VREF voltage via VEXT pin
I REF = "L": using the external VREF
REF = "H": using the internal VREF
I
Externally input reference voltage (VREF) for the internal voltage regulator
It is valid only when REF is "L".
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