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PDF S6A0090 Data sheet ( Hoja de datos )
| Número de pieza | S6A0090 | |
| Descripción | 64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD | |
| Fabricantes | Samsung semiconductor | |
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S6A0090
64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD
June. 2000.
Ver. 0.2
Prepared by: Weon-seek, Kang
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  
64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD
S6A0090
INTRODUCTION
The S6A0090 is an LCD driver and controller LSI for liquid crystal dot matrix character display systems. It can
display 2 or 3 lines of 12 characters with 5 x 8 dots format. It is capable of interfacing with various
microprocessors, supporting the 4-bit and 8-bit parallel mode and the clock synchronized serial mode. Voltage
converter (2 or 3 times), voltage regulator, divider resistor and voltage follower OP AMP are built in the IC and a
low operation current of 50µA is achieved. The slim shape of the chip makes it suitable for the COG module
application and TCP. The S6A0090 is an ideal solution for display on portable equipment such as cellular phones.
FEATURES
Driver Outputs
- Common outputs: 26 common
- Segment outputs: 64 segment
- Icons: 128 horizontal icons, 24 x 4 vertical icons, 5 static icons
Applicable Panel Size
Display size
Duty
Contents of outputs
2-line x 12 characters 1/18
(12 characters + 4 segments for signal) x 2 + 128 icons + 5 static icons
3-line x 12 characters 1/26
(12 characters + 4 segments for signal) x 3 + 128 icons + 5 static icons
Internal Memory
- Character Generator ROM (CGROM): 10,240 bits (256 characters x 5 x 8 dots)
- Character Generator RAM (CGRAM): 160 bits (4 characters x 5 x 8 dots)
- Display Data RAM (DDRAM): 288 bits (12 characters x 3 lines x 8 bits)
- Segment Icon RAM (ICONRAM): 224 bits (12 x 2 x 5 bits + 2 x 4 bits + 24 x 4 bits)
MPU Interface
- No busy MPU interface (no busy check or no execution waiting time)
- 8-bit parallel interface mode: 68-series and 80-series are available
- 4-bit parallel interface mode: 68-series and 80-series are available
- Serial interface mode: 4 pins clock synchronized serial interface
Function Set
- Various instructions set: display control, power save, power control, function set, etc.
- COM / SEG bi-directional function (4 types of LCD application available)
- Hardware reset (RES pin)
Built-in Analog Circuit
- On-chip oscillator with an internal resistor or external clock input
- Electronic volume for contrast control (32 or 64 steps)
- Voltage converter (2 or 3 times) / voltage regulator / voltage follower and bias circuit
1
5 Page 
64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD
S6A0090
PIN DESCRIPTION
POWER SUPPLY
Name
VDD
VSS
V0
V1
V2
V3
V4
I/O
Power
I/O
Table 3. Pin Description
Description
Power supply
Connect to MPU power supply pin
0V (GND)
Bias voltage level for LCD driving
Voltages should have the following relationship;
V0 ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ VSS
When the built-in power circuit is on, the following voltages are given to pins V1
to V4 by internal 1/5 bias resistors are used.
LCD bias
(1/5) bias
V1 V2 V3 V4
(4/5) x V0 (3/5) x V0 (2/5) x V0 (1/5) x V0
LCD DRIVER SUPPLY
Name
CAP1+
CAP1-
CAP2+
CAP2–
VOUT
VR
I/O
O
O
O
O
I/O
I
Table 3. Pin Description (continued)
Description
Capacitor 1+ connecting pin for the internal voltage converter
This pin connects the capacitor with CAP1-.
Capacitor1- connecting pin for the internal voltage converter
This pin connects the capacitor with CAP1+.
Capacitor 2+ connecting pin for the internal voltage converter
When VOUT is 2 times boosting, this pin connects the capacitor with VDD,
when 3 times boosting, this pin connects the capacitor with CAP2-
Capacitor2- connecting pin for the internal voltage converter
When VOUT is 2 times boosting, this pin is not used, when 3 times boosting,
this pin connects the capacitor with CAP2+
2 or 3 times DC/DC voltage converter output
This pin connects a capacitor with VDD pin.
Voltage adjust pin
This pin gives a voltage between V0 and VSS by resistance-division of voltage.
7
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet S6A0090.PDF ] | |
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