DISPLAY Elektronik GmbH LCD MODULE DEM 40271 SYH-LY Product Specification Version : 1.1.0 10.09.
GENERAL SPECIFICATION MODULE NO. : DEM 40271 SYH-LY VERSION NO. CHANGE DESCRIPTION DATE 0 ORIGINAL VERSION 13.05.2003 1 CHANGE PCB PIN 27.05.2003 1.1.0 CHANGE IC 23.01.2008 PREPARED BY: OYQ DATE: 23.01.2008 APPROVEDBY: MH DATE: 10.09.
DEM 40271 SYH-LY Product Specification CONTENTS 1. FUNCTIONS & FEATURES--------------------------------------------------------------- 2 2. MECHANICAL SPECIFICATIONS ------------------------------------------------------ 2 3. BLOCK DIAGRAM------------------------------------------------------------------------- 2 4. EXTERNAL DIMENSIONS --------------------------------------------------------------- 3 5. PIN ASSIGNMENT ------------------------------------------------------------------------- 3 6.
DEM 40271 SYH-LY Product Specification 1. FUNCTIONS & FEATURES MODULE DEM 40271 SYH-LY z z z z z z z z LCD TYPE STN Yellow Green Transflective Positive Mode Viewing Direction Driving Scheme Power Supply Voltage VLCD Adjustable For Best Contrast Display contents Operation temperature Storage temperature Internal Memory : 6 O’clock : 1/16 Duty Cycle, 1/5 Bias : 5.0 V (typ.) : 4.6 V (opt.
DEM 40271 SYH-LY Product Specification 4. EXTERNAL DIMENSIONS 5. PIN ASSIGNMENT Pin No. 1 2 3 Symbol VSS VDD V0 4 RS 5 R/W Function Ground terminal of module. Power terminal of module 5.0V. Power Supply for liquid crystal drive. Register select RS = 0…Instruction register RS = 1…Data register Read /Write R/W = 1…Read R/W = 0…Write 6 7 8 9 10 11 12 13 14 15 16 Version: 1.1.
DEM 40271 SYH-LY Product Specification 6. PCB DRAWING AND DESCRIPTION. DESCRIPTION: 6-1-1.The polarity of the pin 15 and the pin 16 : LED Polarity 15 Pin 16 Pin symbol state J3,J5 J2,J4 J2,J4 Each solder-bridge Each open Each closed Anode Cathode J3,J5 Each solder-bridge Each closed Each open Cathode Anode symbol Note : In application, J3, J5 should be closed , and J2 ,J4 should be open. 6-1-2.The metal-bezel is set be on ground when the J1 is closed . .
DEM 40271 SYH-LY Product Specification 7. BACKLIGHT VOLTAGE & CURRENT (Ta=-20~+70°C) 8. MAXIMUM ABSOLUTE POWER RATINGS ( Ta=-20°C ~ +70°C) Item Power supply voltage (1) Power supply voltage (2) Input voltage Symbol VDD V0 Standard value -0.3~+7.0 VDD-15.0~VDD+0.3 Operating temperature VIN Topr -0.3~VDD+0.3 -20~+70 Storage temperature Tstg -30~+80 Unit V V V °C °C *Voltage greater than above may damage to the Circuit. VDD>V1>V2>V3>V4>V5 Version: 1.1.
DEM 40271 SYH-LY Product Specification 9. ELECTRICAL CHARACTERISTICS 9-1 DC Characteristics (VDD=4.5V~5.5V, Ta=-20~+70°C) Standard Value MIN TYP MAX Test Condition VDD 4.5 5 5.5 ------- V Supply Current IDD1 ---- 0.35 0.6 VDD=5V,fosc=270kHz mA LCD Driving Voltage VLCD 3.0 4.6 13.0 VDD-V5 (1/5,1/4 Bias) V Item Symbol Operating Voltage Unit 9-2 AC Characteristics (VDD=4.5V~5.5V, Ta=-20~+70°C) 9-2-1.
DEM 40271 SYH-LY Product Specification 9-2-2.
DEM 40271 SYH-LY Product Specification 10. CONTROL AND DISPLAY COMMAND Command RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Clear Display 0 0 0 0 0 0 0 0 0 1 Execution time (fosc=270KHz) Remark 1.52ms Write”20H” to DDRAM. And set DDRAM address to “00H” from AC Return home 0 0 0 0 0 0 0 0 1 x 1.52ms Set DDRAM address to “00H” from AC and return cursor to its original position if shifted. The contents of DDRAM are not changed.
DEM 40271 SYH-LY Product Specification 11. STANDARD CHARACTER PATTERN (ST7066U-0A) Upper(4bit) 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 10010 1011 1100 1101 1110 1111 Lowerr(4bit) CG RAM 0000 (1) 0001 (2) 0010 (3) 0011 (4) 0100 (5) 0101 (6) 0110 (7) 0111 (8) 1000 (1) 1001 (2) 1010 (3) 1011 1100 1101 1110 1111 (4) (5) (6) (7) (8) Version: 1.1.
DEM 40271 SYH-LY Product Specification 12. LCD MODULES HANDLING PRECAUTIONS Please remove the protection foil of polarizer before using. The display panel is made of glass. Do not subject it to a mechanical shock by dropping it from a high place, etc. If the display panel is damaged and the liquid crystal substance inside it leaks out, do not get any in your mouth. If the substance comes into contact with your skin or clothes promptly wash it off using soap and water.