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PDF S6B0717X01-B0CY Data sheet ( Hoja de datos )
| Número de pieza | S6B0717X01-B0CY | |
| Descripción | 55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD | |
| Fabricantes | Samsung semiconductor | |
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S6B0717
55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD
January.2000
Ver. 1.0
Prepared by:
Yong-Jin, Jeon
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.
1 page  
S6B0717
55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD
INTRODUCTION
The S6B0717 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 55 common
and 100 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 65 x 100 bits. It provides a high-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 external 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
Driver Output Circuits
− 55 common outputs / 100 segment outputs
On-chip Display Data RAM
− Capacity: 65 x 100 = 6,500 bits
− Bit data "1": a dot of display is illuminated.
− Bit data "0": a dot of display is not illuminated.
Multi-chip Operation (Master, Slave) Available
Applicable Duty Ratios
Duty ratio
1/55
1/34
Applicable LCD bias
1/8 or 1/6
1/6 or 1/5
Microprocessor Interface
− 8-bit parallel bi-directional interface with 6800-series or 8080-series
− Serial interface (only write operation) available
On-Chip Low Power Analog Circuit
− On-chip oscillator circuit
− Voltage converter (x2, x3, x4, x5)
− Voltage regulator (temperature coefficient: -0.05%/°C or external input)
− Voltage follower (LCD bias: 1/5, 1/6 or 1/8)
− Electronic contrast control function (64 steps)
Operating Voltage Range
− Supply voltage (VDD): 2.4 to 3.6 V
− LCD driving voltage (VLCD = V0 - VSS): 4.0 to 15.0 V
Wide Operating Temperature Range
− Ta = -40°C to 85 °C
Low Power Consumption
− 100 µΑ Max. (VDD = 3V, x4 boosting, V0 = 11V, internal power supply ON)
− 10 µΑ Max. (during power save [standby] mode)
Package Type
− Gold bumped chip or TCP
Maximum display area
55 × 100
34 × 100
1
5 Page 
S6B0717
55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD
PIN DESCRIPTION
POWER SUPPLY
Table 3. Power Supply Pins Description
Name
I/O
Description
VDD Supply Power supply
VSS
V0
V1
V2
V3
V4
Supply Ground
LCD driver supply 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
When the internal power circuit is active, these voltages are generated as following table
I/O according to the state of LCD bias.
LCD bias
V1
V2
V3
V4
1/8 bias
(7/8) x V0
(6/8) x V0
(2/8) x V0
(1/8) x V0
1/6 bias
(5/6) x V0
(4/6) x V0
(2/6) x V0
(1/6) x V0
1/5 bias
(4/5) x V0
(3/5) x V0
(2/5) x V0
(1/5) x V0
LCD DRIVER SUPPLY
Table 4. LCD Driver Supply Pins Description
Name
I/O
Description
C1-
C1+
C2-
C2+
C3-
C3+
VOUT
DCDC5B
VR
VEXT
REF
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 negative connection pin for voltage converter
O Capacitor 3 positive connection pin for voltage converter
I/O Voltage converter input / output pin
I
5 times boosting circuit enable input pin. When this pin is low in 4 times boosting circuit,
the 5 times boosting voltage appears at VOUT
I
V0 voltage adjustment pin
It is valid only when on-chip resistors are not used (INTRS = “L”)
I External VREF input pin for the LCD power supply voltage regulator
Selects the external VREF voltage via the VEXT pin
I − REF = "H": using the internal VREF
− REF = "L": using the external VREF
7
11 Page | ||
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