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Número de pieza | S6B0716 | |
Descripción | 33 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD | |
Fabricantes | Samsung semiconductor | |
Logotipo | ||
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No Preview Available ! S6B0716
33 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD
January.2000
Ver. 3.0
Prepared by:
Jae-Su, Ko
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 S6B0716
33COM/100SEG DRIVER & CONTROLLER FOR STN LCD
INTRODUCTION
The S6B0716 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 33 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 132 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 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
− 33 common outputs / 100 segment outputs
On-chip Display Data RAM
− Capacity: 65 x 132 = 8,580 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
1/33
Applicable LCD bias
1/5 or 1/6
Maximum display area
33 × 100
Microprocessor Interface
− 8-bit parallel bi-directional interface with 6800-series or 8080-series
− Serial interface (only write operation) available
Various Instruction Setting
On-chip Oscillator Circuit
On-chip Low Power Supply for LCD Driving Voltage Generation
− Voltage converter (x2, x3, x4)
− Voltage regulator (Temperature coefficient: -0.05%/°C, -0.2%/°C)
− Voltage follower (LCD Bias: 1/5 or 1/6)
On-chip Electronic Contrast Control Function (32 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
Low Power Consumption
− 100 µΑ Typ. (VDD = 3V, x4 boosting, V0 = 8V, Internal power supply ON and display OFF)
− 10 µΑ Max. (standby mode)
Wide Operating Temperature Range
− Ta = -40°C to +85°C
CMOS Process
Package Type
− Bare die for COB
1
5 Page S6B0716
33COM/100SEG DRIVER & CONTROLLER FOR STN LCD
PIN DESCRIPTION
POWER SUPPLY
Table 3. Power Supply Pin 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
1/6 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 Pin Description
Name
C1-
C1+
C2-
C2+
C3-
C3+
VOUT
VR
I/O Description
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 V0 voltage adjustment pin
7
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet S6B0716.PDF ] |
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