Manufacturer Certificated Product Specification Model: TWW12864N-A1 128X64 COG 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.

TAILOR PIXELS TECHNOLOGY CO., LTD. Specification Revision History Version First Issue Modify the Luminance of LCM in page 4

CONTENTS  GENERAL SPECIFICATIONS  BLOCK DIAGRAM  MECHANICAL DIMENSIONS  INTERFACE PIN CONNECTIONS  ABSOLUTE MAXIMUM RATINGS  ELECTRICAL CHARACTERISTICS  DISPLAY DATA RAM ADDRESS MAP  OPTICAL CHARACTERISTICS  INTERFACE TYPE SELECTION  OPERATING PRINCIPLES  METHODS BACKLIGHT  EXAMPLE  RELIABILITY  INSPECTION CRITERIA  PRECAUTIONS FOR USING LCD MODULES  USING LCD M

TAILOR PIXELS TECHNOLOGY CO., LTD.  GENERAL SPECIFICATIONS ITEM STANDARD VALUE 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

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD. FUNCTION Connect ground. Chip select input pin. Reset input signal. Register selection input: H: Indicate that SID is display data. L: Indicate that SID is control data. Data bus 0 Data bus 1 Data bus 2 Data bus 3 Data bus 4 Data bus 5 Data bus 6/ The serial clock input. Data bus 7/ The serial data input. Logic power supply. Ground. V0 is the LCD driving voltage for common circuits at negative frame. XV0 is the LCD driving voltage for common circuits at positive frame. VG is the LCD driving voltage for segment circuits. Ground. Logic power supply. Connect ground....

TAILOR PIXELS TECHNOLOGY CO., LTD. Back light anode. Back light cathode.  ABSOLUTE MAXIMUM RATINGS PARAMETER Supply voltage for logic Supply voltage for LCD Driving voltage for LCD Supply voltage for Backlight Luminance of LCM 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

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD. The ST7567 may be reset by an external active low TTL signal from a MPU or other logic device be reset using the following circuit The Conditions of power supply at initial power up are shown in table 1. Table 1. Power Supply Initial Conditions  DISPLAY DATA RAM ADDRESS MAP0 (if initial display line is 1DH)

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

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 ‘’ Note4:Measuring Instruments For Electro-optical Characteristics

TAILOR PIXELS TECHNOLOGY CO., LTD. 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

TAILOR PIXELS TECHNOLOGY CO., LTD.  INTERFACE TYPE SELECTION Serial Interface

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.  OPERATING PRINCIPLES  METHODS  Control And Display Command

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.

TAILOR PIXELS TECHNOLOGY CO., LTD.  BACKLIGHT ●BACKLIGHT TYPE ●POWER SUPPLY FOR BACKLIGHT ●ABSOLUTE MAXIMUM RATING PARAMETER Absolute maximum forward current Peak forward current Reverse voltage Operating temperature Storage temperature Life 1 msec plus 10% Duty cycle ●ELECTRICAL-OPTICAL CHARACTERISTICS PARAMETER Forward voltage Forward current Reverse current Chromaticity Coordinates ranks 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 aperture is Φ5 mm.

TAILOR PIXELS TECHNOLOGY CO., LTD.  Programme ;************************************************* ;LCM: GT12864N ;CONTROLLER: ST7567 ;VDD=3.3V VOP=9.2V ;************************************************* CS1 bit p3.7 RESETB bit P3.6 RS bit P3.5 SCLK BIT P3.4 SDI BIT P1.0 ;-------------------------INIT: ;初始化

TAILOR PIXELS TECHNOLOGY CO., LTD. MOV A,#0e2H ;11100010 Software Reset LCALL WCOM ;initialize the internal status LCALL DELAY ;----------------------MOV A,#02CH ;Set Power Control Register (A=00101111) ;internal voltage follower circuit is ON LCALL WCOM ;X0,X1,X2=1,1,1 LCALL DELAY ;----------------------MOV A,#02EH ;Set Power Control Register (A=00101111) ;internal voltage follower circuit is ON LCALL WCOM ;X0,X1,X2=1,1,1 LCALL DELAY ;----------------------MOV A,#02FH ;Set Power Control Register (A=00101111) ;internal voltage follower circuit is ON LCALL WCOM ;X0,X1,X2=1,1,1 LCALL DELAY ;----------------------MOV...

TAILOR PIXELS TECHNOLOGY CO., LTD. R2,#0B0H A,R2 ;set WCOM A,#010H ;set WCOM A,#00H ;set WCOM R1,#22 ;132/6=22 DPTR,#CHAR R0,#06H MOV MOVC LCALL INC DJNZ DJNZ INC CJNE RET MOV MOV LCALL MOV LCALL MOV LCALL MOV MOV MOV page address column address MSB column address LSB set (6*8)*(22-5)characters MOV DISPLAY0: MOV LCALL DISPLAY1: MOV LCALL MOV LCALL MOV DISPLAY2: MOV MOVC LCALL INC DJNZ INC CJNE RET R6,#0B0H A,R6 WCOM A,#10H ;set column address MSB; set column low bit address WCOM A,#00H ;set column address LSB; set column hige bit address WCOM R0,#128 ;SEG=106 A,#0 A,@A+DPTR WDATA ;write data...