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Product Specification Model: TWW12864A -A0 LCD Display (128*64)
Product Specification Model: TWW12864A -A0 LCD Display (128*64)
The TTW12864A-A0 is a 128x64 COB module with dimensions of 93.0x70.0x14.5 mm and an effective display area of 71.7x39.0 mm. It features a dot size of 0.48x0.48 mm and a dot pitch of 0.52x0.52 mm. The module uses an STN/Negative (Blue)/Transmissive LCD type with a duty cycle of 1/64 and a bias of 1/9. It operates within a temperature range of -20 to +70°C and can be stored between -30 to +80°C. The backlight is a side LED with a white color, and the module weighs approximately 60 grams. It complies with RoHS standards.
Detailed mechanical dimensions are provided to ensure proper integration into systems.
The block diagram includes segment drivers (SBN0064G), a common driver (SBN6400G), and a power circuit, outlining the connections and components involved in the module's operation.
The module has 20 pins with specific functions, including power supply, data bus, and control signals. Key pins include VSS (ground), VDD (input voltage), and RS (register selection input).
The module's maximum ratings include a supply voltage for logic (VDD) of -0.3 to 7.0 V and an operating temperature range of -20 to +70°C.
DC characteristics specify a supply voltage for logic (VDD) of 4.8 to 5.2 V and a supply current for logic (IDD) of 2.0 to 2.8 mA. AC characteristics detail timing requirements for read and write operations.
The backlight is an LED type with a forward voltage of 5.0 to 5.2 V and a forward current of 100 to 120 mA. It has a life expectancy of 80,000 hours at a forward current of 120 mA.
The module operates at a voltage of 8.8 to 9.2 V with a response time of up to 400 ms. The contrast ratio is 24, and the viewing angle is specified for different orientations.
Control and display commands are detailed, including display ON/OFF, address setting, and data read/write operations. The function of various registers and the reset process are explained.
The address map outlines the organization of display data within the RAM, specifying page and line addresses.
This section outlines the power supply requirements for the LCM module, indicating a 50K ohm resistor and a +5V power supply.
An example circuit is provided, detailing connections and components such as a 50K adjustable resistor and various pins (P1.0 to P3.7) for interfacing with the LCM.
The document includes a program module for the SD12864A, controlled by SBN0064+SBN6400, with initialization and command sequences for operating the LCD module.
Various environmental and mechanical tests are described to ensure the module's reliability under different conditions, such as high/low temperature storage and operation, humidity tests, vibration, shock, and atmospheric pressure tests. Standards like MIL-202E and JIS-C5023 are referenced.
Inspection criteria are referenced to IS-QC-001, focusing on appearance and optical characteristics.
Handling precautions include avoiding mechanical shock, careful cleaning, and avoiding exposure to harmful solvents. Specific guidelines are provided for handling, installing, and operating LCD modules to prevent damage.
Guidelines are provided to prevent electrostatic discharge damage, emphasizing grounding and humidity control.
Instructions for soldering include temperature and time limits to prevent damage, with recommendations for protecting the LCD surface during soldering.
Operational precautions include adjusting the liquid crystal driving voltage for optimal viewing angle, avoiding excessive voltage, and managing condensation to prevent circuit disruption.
Ensure that all signals are input only after the positive/negative voltage has stabilized.
- Store LCDs in a sealed polyethylene bag; no desiccant needed if sealed properly.
- Keep in a dark place, away from sunlight or fluorescent light, at temperatures between 0°C and 35°C.
- Avoid contact of the polarizer surface with other objects; use the original shipping container for storage.
- Do not expose to temperatures above 80°C for more than 168 hours or below -30°C for more than 48 hours.
- Crush and wash damaged or unnecessary LCDs with solvents like acetone and ethanol, then burn them.
- If liquid from a damaged glass cell contacts skin, wash thoroughly with soap and water.
- TPS will replace or repair defective LCD modules within one year of shipment, based on TPS LCD acceptance standards.
- Cosmetic/visual defects must be reported within 90 days of shipment, confirmed by freight documents.
- Warranty covers repair/replacement only; TPS is not liable for consequential events.
- No warranty if storage and handling precautions are violated, such as broken LCD glass or modified circuits.
- Repairs will be charged to the customer upon agreement.
- Modules must be returned with a detailed description of failures or defects, and any customer-installed connectors or cables must be removed without damaging the PCB.
Catalog excerpts
Manufacturer Certificated Product Specification Model: TTW12864A-A0 128X64 COB Module This module uses RoHS material Tailor Pixels Technology Co., Ltd. www.tailorpixels.com [email protected] Ph: 86-755-8821 2653 Contents in this document are subject to change without notice. No part of this document can be reproduced or transmitted by any means for any purpose without the written permission of Tailor Pixels Technology Co., Ltd.
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TAILOR PIXELS TECHNOLOGY CO., LTD. Specification Revision History Version First Issue
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TAILOR PIXELS TECHNOLOGY CO., LTD. CONTENTS GENERAL SPECIFICATIONS MECHANICAL DIMENSIONS BLOCK DIAGRAM INTERFACE PIN CONNECTIONS ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS BACKLIGHT OPTICAL CHARACTERISTICS OPERATING PRINCIPLES METHODS DISPLAY DATA RAM ADDRESS MAP POWER SUPPLY FOR LCM MODULE EXAMPLE RELIABILITY INSPECTION CRITERIA PRECAUTIONS FOR USING LCD MODULES
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TAILOR PIXELS TECHNOLOGY CO., LTD. GENERAL SPECIFICATIONS ITEM NUMBER OF GRAPHIC MODULE DIMENSION EFFECTIVE DISPLAY AREA DOT SIZE DOT PITCH LCD TYPE DUTY VIEWING DIRECTION OPERATING TEMPERATURE STORAGE TEMPERATURE BACK LIGHT TYPE BACK LIGHT COLOR APPROX. WEIGHT ROHS STANDARD
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TAILOR PIXELS TECHNOLOGY CO., LTD. POWER CIRCUIT
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TAILOR PIXELS TECHNOLOGY CO., LTD. FUNCTION Ground Input voltage for LCD Supply voltage for logic Register selection input H : Data signal, L : Instruction signal Read/write selection input H : Read mode, L : Write mode Read/write enable signal. H: Read data/instruction H L: Write data/instruction Chip select signal, CS1=H chip is active Chip select signal, CS2=H chip is active Chip reset signal Negative voltage for LCD driver Back light anode Back light cathode
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TAILOR PIXELS TECHNOLOGY CO., LTD. ABSOLUTE MAXIMUM RATINGS PARAMETER Supply voltage for logic Supply voltage for LCD Input voltage Operating temperature Storage temperature ELECTRICAL CHARACTERISTICS DC Characteristics PARAMETER Supply voltage for logic Supply current for logic Operating voltage for LCD Input voltage ' H ' level Input voltage ' L ' level output voltage ' H ' level output voltage ' L ' level Write mode (refer to Figure-3) : VDD=+5.0V±10%, VSS=0V, Ta=-30 to +85℃ PARAMETER E cycle time E high level width E low level width E rise time E fall time Address set-up time Address...
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TAILOR PIXELS TECHNOLOGY CO., LTD.
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TAILOR PIXELS TECHNOLOGY CO., LTD. Backlight Type Backlight Type: LED(white) Power Supply For Backlight LED Chip 2*4=8 dies Absolute Maximum Rating PARAMETER Absolute maximum current Peak forward current Reverse voltage Life 1 MSEC plus 10% Duty Cycle If(forward current) =120mA Electrical-Optical Characteristics PARAMETER Forward voltage Forward current Reverse current SYMBOL (LED(+)-LED(-)) Chromaticity Luminance Note:The Master Screen’s luminance is the average value of 5 points,and The Lvmin./Lvmax. is not less than 70%. The measurement instrument is BM-7 luminance Colorimeter. The...
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TAILOR PIXELS TECHNOLOGY CO., LTD. Test instrument is LCD-5000,made in Japan Item Operating voltage Response time Contrast ratio Viewing angle range Definition Of Viewing Angle Note1: Definition of response time Note2: Definition of contrast ratio ‘Cr’ Note3: Definition of viewing angle range ‘
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TAILOR PIXELS TECHNOLOGY CO., LTD. Note4:Measuring Instruments For Electro-optical Characteristics NORMAL LIGHT SOURCE θ0 –θ=30 *1.Light source position for measuring the reflective type of LCD panel *2.Light source position for measuring the transflective / transmissive types of LCD panel
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TAILOR PIXELS TECHNOLOGY CO., LTD. OPERATING PRINCIPLES METHODS Control And Display Command Command Display ON/OFF Display Start Line Status Read Y address (063) Page (07) Display start line (063) Function Controls the display on or off. Internal status and display RAM data are not affected. 0:OFF, 1:ON Sets the Y address in the Y address counter. Sets the X address at the X address register. Indicates the display data RAM displayed at the top of the screen. Read status 0 : Ready BUSY 1 : In operation Display 0 : ON ON/OFF 1 :Display OFF 0 : Normal RESET 1 : Reset Write Display Data...
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TAILOR PIXELS TECHNOLOGY CO., LTD. read. RS 0 1 Function Instruction Status read(busy cheek) Data write(from input register to display data RAM Data read(from display data RAM to output register) System reset can be initialized by setting RSTB terminal at low level when turning power on, receiving instruction from MPU. When RSTB becomes low, following procedure is occurred. - Display off - Display start line register become set by 0.(Z-address 0) While RSTB is low level, no instruction except status read can be accepted. Reset status appears at DB4. After DB4 is low, any instruction can be accepted....
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TAILOR PIXELS TECHNOLOGY CO., LTD. (logical high).non selective voltage appears on segment output terminals regardless of display RAM data. The display on/off flip-flop can change status by instruction. The display data at all segment disappear while RSTB is low. The status of the flip-flop is output to DB5 by read instruction. X page register designates page of the internal display data RAM. It has not count function. An address is set by instruction. Y address counter designates address of the internal display data RAM. An address is set by instruction and is increased by 1 automatically by...
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TAILOR PIXELS TECHNOLOGY CO., LTD. ON/OFF When ON/OFF is 1, the display is OFF. When ON/OFF is 0, the display is ON. RESET When RESET is 1, the system is being initialized. In this condition, no instructions except status read can be accepted. When RESET is 0, initializing has finished and the system is in the usual operation condition. (6) Write Display Data RS R/W D7 D6 D5 D4 D3 D2 D1 D0 1 0 D7 D6 D5 D4 D3 D2 D1 D0 Writes data (D0 - D7) into the display data RAM. After writing instruction, Y address is increased by 1 automatically. (7) Read Display Data RS R/W D7 D6 D5 D4 D3 D2 D1 D0 1 1 D7...
Open the catalog to page 15All TAILOR PIXELS TECHNOLOGY CO., LTD. catalogs and technical brochures
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