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LCD Component Data Sheet Model Number: 12864-12

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LCD Component Data Sheet Model Number: 12864-12 PACIFIC DISPLAY DEVICES LCD Component Data Sheet Model Number: 12864-12 128 x 64 Dot STN Graphic LCD Assembly With T-6963C Graphics Controller LED / EL Panel Backlight CONTENTS 1. GENERAL INFORMATION 1.1 Product Overview 2 1.2 Part Options and Numbering System 2 1.3 Absolute Maximum Ratings 3 1.4 Circuit Block Diagram 3 1.5 Mechanical Characteristics 3 1.6 Input Signal Function 4 1.7 LCM Power, Contrast Control and Bias 4 1.8 LCD Dimensions 5 2. ELECTRICAL / OPTICAL CHARACTERISTICS 2.1 DC Electrical Characteristics 6 2.2 AC Electrical Characteristics 7 2.3 Optical Characteristics 9 2.4 LED Backlight Characteristics 11 2.5 EL Panel Backlight Characteristics 11 3. LCD CONTROLLER CHARACTERISTICS 3.1 LCD Controller Display and Control Functions (T6963) 12 3.2 LCD Controller Command List 25 3.3 LCD Controller Character Code map 26 3.4 Application Circuits 27 4. RELIABILITY 28 5. PRECAUTIONS FOR USING LCD MODULES 29 139 Avenida Victoria – Suite 100 – San Clemente, CA – 92672 Tel: 949-361-8957 – Fax: 949-361-9158 – Web: www.pacificdisplay.com SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 1. GENERAL INFORMATION 1.1 Product Overview • 128 x 64 dot matrix LCD • STN (Super Twisted Nematic) or FSTN (Film compensated Super Twisted Nematic) Technology • T-6963 (or equivalent) Graphics Controller IC w/ 8K SRAM. • Multiplex drive : 1/64 duty, 1/9 bias • LCD Module Service Life: 100,000 hours minimum 1.2 Part Options and Numbering System 12864 -12 -SL -F -ST -ELED -GY -6 ¾ Custom Option Designator: • (-12) T6963 Graphic Controller ¾ Operating Mode: • (-SL) STN Silver / Gray • (-GR) STN Green • (-BN) STN Blue Negative Image • (-FC) FSTN Black & White Image ¾ Rear Polarizer Options: • (-F) Transflective • (-M) Transmissive • (-R) Reflective (No Backlight) ¾ Operating Temperature: • (-ST) Standard (0 to +50 ºC) • (-ET) Extended (-20 to +70 ºC) ¾ Backlight Options: • (-ELED) Array Edge Lit LED Backlight • (-ELP) EL Panel Backlight ¾ Backlight Coloration Options: • (-WH) ELP – White • (-GY) LED - Green/Yellow • (-AM) LED - Amber • (-BG) ELP – Blue Green ¾ Viewing Angle: • (-6) 6 o’clock • (-12) 12 0’clock PACIFIC DISPLAY DEVICES 07.21.2006 2 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 1.3 Absolute Maximum Ratings Parameter Symbol Min Max Unit Supply voltage for logic VDD -0.3 7.0 V Supply voltage for LCD VDD – Vo -0.3 10.0 V Input voltage VI -0.3 VDD +0.3 V Standard Operating temperature TOP (-ST) 0 50 ºC Standard Storage temperature TST (-ST) -10 60 ºC Extended Operating temperature TOP (-ET) -20 70 ºC Extended Storage temperature TST (-ET) -30 80 ºC Soldering Temp Tsolder 260 ºC 1.4 Circuit Block Diagram D0 – D7 8K /WR Controller SRAM LSI /RD /CE T-6963C T6A39 x 2 C/D SEG Driver /RST (6MHz) FS S128 VDD Bias T6A40 x 1 LCD Panel VSS Circuitry To LSI COM. Driver 128 x 64 Dots VO C64 Anode ELED / ELP Cathode Backlight FG Display Frame Ground 1.5 Mechanical Characteristics Item Contents Unit Module size (W×H×T) 78.0 x 70.0 x 13.0 Max (LED Backlight) mm 78.0 x 70.0 x 10.5 Max (No LED Backlight) mm Viewing area (W×H) 62.0 x 44.0 mm Active area (W×H) 56.28 x 38.36 mm Number of dots 128 x 64 dots Dot size (W×H) 0.40 x 0.56 mm Dot pitch (W×H) 0.44 x 0.60 mm PACIFIC DISPLAY DEVICES 07.21.2006 3 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 1.6 Input Signal Function Pin No. Symbol Level Description 1 FG -- Frame Ground 2 VSS 0V Ground 3 VDD 5.0V Supply voltage for logic 4 Vo -- Supply voltage for LCD 5 /WR H/L /Data Write 6 /RD H/L /Data Read 7 /CE H/L /Chip Enable 8 C/D H/L Code / Data 9 /RST L /Reset 10-17 DB0-DB7 H/L Bidirectional Data Bus Lines 18 FS H/L Font Select: H=6x8. L=8x8 19 LED K or BL1 --- LED Backlight Cathode Connection or EL Backlight power 20 LED A or BL2 --- LED Backlight Anode Connection or EL Backlight power 1.7 LCM Power, Contrast Control and Bias VDD VDD VDD VDD LCM -8V LCM -8V VR: VR: VO 20Kohm VO 20Kohm VSS VSS A BL1 ELED Backlight EL Backlight Backlight Power Backlight Power K BL2 PACIFIC DISPLAY DEVICES 07.21.2006 4 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 1.8 LCM Dimensions ■ Module Dimensions PACIFIC DISPLAY DEVICES 07.21.2006 5 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 2. ELECTRICAL / OPTICAL CHARACTERISTICS 2.1 DC Electrical Characteristics (VDD = +5V±10% , VSS = 0V, Ta = 25°C ) Parameter Symbol Condition Min Typ Max Unit Supply voltage for logic VDD --- 4.5 --- 5.5 V Supply current for logic IDD VDD = 5V --- 8 15 mA 0°C -- 9.3 -- V Operating voltage for LCD VDD- Vo 25°C -- 8.9 -- V 50°C -- 8.7 -- V Input voltage ' H ' level VIH --- 0.8 VDD --- VDD V Input voltage ' L ' level VIL --- 0 --- 0.2 VDD V ■ TIMING OF POWER SUPPLY 4.75V VDD GND 0~50ms 0~50ms SIGNAL GND ≥ 0ms ≥ 0ms GND VEE POWER ON POWER OFF Note : The missing pixels may occur when the LCM is driven except above power supply timing sequence. PACIFIC DISPLAY DEVICES 07.21.2006 6 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 2.2 AC Electrical Characteristics Toshiba T-6963C Graphic Controller IC AC Waveform Interface AC Characteristics (1) Parameter Symbol Min Max Unit Operating Frequency fSCP --- 2.75 MHz SCP Pulse Width tCWH, tCWL 150 --- ns SCP Rise/Fall Time tr, tf --- 30 ns LP Set Up Time tLSU 150 290 ns LP Hold Time tLHD 5 40 ns Data Set Up Time tDSU 170 --- ns Data Hold Time tDHD 80 --- ns FR Delay Time td 0 90 ns CDATA Set Up Time tCSU 450 850 ns CDATA Hold Time tCHD 450 950 ns PACIFIC DISPLAY DEVICES 07.21.2006 7 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 AC Characteristics (2) Parameter Symbol Min Max Unit C/D Set Up Time tCDS 100 --- ns C/D Hold Time tCDH 10 --- ns CE, RD, WR Pulse Width tCE, tRD, tWR 80 --- ns Data Set Up Time tDS 80 --- ns Data Hold Time tDH 40 --- ns Access Time tACC --- 150 ns Output Hold Time tOH 10 50 ns PACIFIC DISPLAY DEVICES 07.21.2006 8 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 2.3 Optical Characteristics (VOP = 4.7V, Ta = 25°C ) Item Symbol Condition Min Typ Max Unit θ=0° Contrast ratio Cr --- 3.0 --- --- φ=0° Frame Frequency fFRM --- 32 64 150 Hz θ -30 --- 30 deg Viewing angle range 1 25°C θ2 30 --- -30 deg Ton 186 ms Response time 25°C Toff 91 ms Definition of angles ∅ and θ: PACIFIC DISPLAY DEVICES 07.21.2006 9 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 PACIFIC DISPLAY DEVICES 07.21.2006 10 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 2.4 LED Backlight Characteristics ■ Yellow-Green LED Operating Characteristics (Edge Lit) Standard Item Symbol Conditions Unit Min. Typ. Max. Forward voltage Vf --- 3.9 4.1 4.4 VDC Forward Current IF --- --- 100 160 mA Reverse Voltage VR --- --- --- 8 V Peak Emission If=100mA λP --- 570 --- nm Wavelength Yel/Grn ■ Life (Array or Edge Lit) Standard Item Conditions Unit Min. Max. Life Ta= 25 °C 100,000 --- hrs 2.5 EL Panel Backlight Characteristics (Blue-Green) ■ Blue-Green EL Panel Operating Characteristics: Standard Item Conditions Unit Min. Typ. Max. 100VAC RMS, 400Hz Current Consumption --- 3.6 5.0 mA Ta: 25°C EL Drive Voltage --- --- 100 150 VAC RMS EL Drive Frequency --- --- 400 1000 Hz Operating Temperature --- -35°C --- +50°C °C Storage Temperature --- -40°C --- +60°C °C Luminance 100VAC RMS, 400Hz 48 60 --- cd/m2 Luminance Half-Life Ta: 25°C 3500 --- --- Hrs *Note: half life is defined as Luminance being reduced by 50% PACIFIC DISPLAY DEVICES 07.21.2006 11 SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE MODEL NO: 12864-12 3. OPERATING PRINCIPALS AND METHODS 3.1 LCD Controller Display and Control Functions (T-6963C Controller) ■ Flowchart of Communications with MPU ● Status Read Before sending data (Read/Write) command, it is necessary to check the status. Status check Status of T6963C can be read from data lines. RD L WR H CE L C/D H D0-D7 Status word T6963C status word format is following. MSB LSB STA7 STA6 STA5 STA4 STA3 STA2 STA1 STA0 D7 D6 D5 D4 D3 D2 D1 D0 STA0 Check capability of command execution 0 : Disable 1 : Enable STA1 Check capability of data read/write 0 : Disable 1 : Enable STA2 Check capability of auto mode data read 0 : Disable 1 : Enable STA3 Check capability of auto mode data write 0 : Disable 1 : Enable STA4 Not use STA5 Check capability of controller operation 0 : Disable 1 : Enable STA6 Error flag. Using screen peek/copy command 0 : No error 1 : Error STA7 Check the condition blink 0 : Display off 1 : Normal display Note 1 : It is necessary to check STA0 and STA1 at the same time. The error is happened by sending data at executing command. Note 2 : The status check will be enough to check STA0/STA1. Note 3 : STA2/STA3 are valid in auto mode STA0/STA1 are invalid. Status checking flow AUTO MODE STATUS STATUS STA0=1 STA2=1 STA1=1 NO (STA3=1) NO YES YES RETURN RETURN Note 4 : It is impossible to save status check in the case of command of MSB0.
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