DISPLAY Elektronik GmbH LCD MODULE DEM 20232 SYH-LY Product Specification Version: 5 10.05.
GENERAL SPECIFICATION MODULE NO. : DEM 20232 SYH-LY CUSTOMER P/N VERSION NO. CHANGE DESCRIPTION DATE 0 ORIGINAL VERSION 09.11.2000 1 CONTENTS CHANGE 16.11.2000 2 ADD CHARACTER TABLE 07.03.2001 3 ADD TWO BACKLIGHT HOLES 08.08.2001 3.1.0 CHANGE IC 03.01.2008 4 Change the VDD from -0.3~+7.0 V to -0.3~+6V;VLCD from 3.0~13V to 3.0~ 7V in Page6 12.01.2018 5 CORRECT PCB DESCRIPTION 10.05.2018 PREPARED BY: PS DATE: 10.05.2018 APPROVED BY: MH DATE: 10.05.
DEM 20232 SYH-LY Product Specification CONTENTS 1. FUNCTIONS & FEATURES ----------------------------------------------------------------- 2 2. MECHANICAL SPECIFICATIONS ------------------------------------------------------- 2 3. BLOCK DIAGRAM --------------------------------------------------------------------------- 3 4. EXTERNAL DIMENSIONS ---------------------------------------------------------------- 3 5. PIN ASSIGNMENT -------------------------------------------------------------------------- 4 6.
DEM 20232 SYH-LY Product Specification 1.FUNCTIONS & FEATURES MODULE DEM 20232 SYH-LY l l l l l l l l l LCD TYPE STN Yellow Green Transflective Positive Mode Viewing Direction Driving Scheme Power Supply Voltage Backlight Color VLCD Adjustable For Best Contrast Display contents Operating Temperature Storage Temperature Internal Memory l CGROM l Interface : 6 O’clock : 1/16 Duty Cycle, 1/5 Bias : 5V (typ.) : Yellow Green : 4.5 (opt.
DEM 20232 SYH-LY Product Specification 3. BLOCK DIAGRAM DB0~DB7 E R/W RS V0 VDD VSS LCD Controller LSI ST7066U-0 A-B COM1~COM16 SEG1~SEG40 Control Signals A K LCD PANEL 2 Line x 20 Characters SEG41~SEG10 0 SEGMENT DRIVER ST7063 BACKLIGHT 4.
DEM 20232 SYH-LY Product Specification 5. PIN ASSIGNMENT Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Version: 5 Symbol VSS VDD V0 RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LED – (K) LED + (A) Function Ground Power supply Power Supply for LCD Select Display Data("H") or Instructions("L") Read or Write Select Signal Read/Write Enable Signal Display Data Signal Please also refer to 6. PCB drawing and description. Please also refer to 6. PCB drawing and description.
DEM 20232 SYH-LY Product Specification 6. PCB DRAWING AND DESCRIPTION DESCRIPTION: 6-1-1.The polarity of the pin 15 and the pin 16 symbol symbol state J3,J5 J2,J4 LED Polarity 15 Pin 16 Pin J2,J4 Each solder-bridge Each open Each Closed Cathode Anode J3,J5 Each solder-bridge Each Closed Each open Anode Cathode Note: in application module, J2=J4=closed, J3=J5=open 6-1-2.The metal-bezel should be on ground when the J1 is solder-Bridge. Note: in application module, J1=closed 6-1-3.
DEM 20232 SYH-LY Product Specification 7. BACKLIGHT & SWITCH (Ta=-20~+70°C) CONDITIONS Forward Voltage Forward Current Reverse Voltage Reverse Current 3.7 f f Pd VR R V 100 P 4.1 270 1.11 10.0 0.20 150 572 35 4.5 V mA W V mA cd/m 2 nm nm If= 270 mA If= 270 mA If= 270 mA Ta=25°C If =10mA Each chip Electrical Circuit A K 33 x 2 = 66 PCS 8. DISPLAY DATA RAM (DDRAM) 9.
DEM 20232 SYH-LY Product Specification 10. ELECTRICAL CHARACTERISTICS 10-1 DC Characteristics(VDD=4.5V~5.5V,Ta=-20~+70°C) Standard Value MIN TYP MAX Test Condition Unit 5.5 ------- V 0.35 0.6 VDD=5V,fosc=270kHz mA 4.5 7.0 VDD-V5(1/5,1/4 Bias) V Item Symbol Operating Voltage VDD 4.5 5 Supply Current IDD ---- LCD Driving Voltage VLCD 3.0 10-2 AC Characteristics (VDD=4.5V~5.
DEM 20232 SYH-LY Product Specification 10-2-2 Read mode (reading data from MPU to module) Characteristic E Cycle Time Symbol tC Min 1200 Type --- Max --- Unit ns Test PIN E E Rise Time tR tF --- --- 25 ns E --- --- 25 ns E E Fall Time E Pulse width (High, Low) R/W and RS Set-up Time tW 140 --- --- ns E tSU 0 --- --- ns R/W,RS R/W and RS Hold Time tH 10 --- --- ns R/W,RS Data Output Delay Time tD --- --- ns DB0~DB7 tDH2 10 --- 100 --- ns DB0~DB7 Data Hold
DEM 20232 SYH-LY Product Specification 11. CONTROL AND DISPLAY COMMAND Command RS Clear Display 0 R/W DB7 DB6 DB5 DB4 DB3 0 0 0 0 0 0 DB2 DB1 DB0 Execution time (fosc=270KHz) Remark 0 0 1 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 20232 SYH-LY Product Specification 12.
DEM 20232 SYH-LY Product Specification 13. QUALITY DESCRIPTION DEFECT SPECIFICATION: Specific type-related items are covered in this sheet. a: Table for Cosmetic defects (Note: nc = not counted). Sizes and number of defects (Max. Qty) Segment Deformation (Notched segments L W W Line shape nc 100< d £ 200 5 Black or White Lines W Pinhole d £ 100 Black or White Spots L L L L W W L L Max. Max. defect size [mm] d or L Quantity.
DEM 20232 SYH-LY Product Specification 14. MODULE ACCEPT QUALITY LEVEL (AQL) 14.1 AQL Standard Value: Fatal Defect =0.1, Major Defect=0.65; Minor Defect =2.5. 14.2 Curtailed Inspection Scheme Type module product Module sample Batch Qty 350PCS＜ 1000PCS inspection Qty 125pcs 200PCS＜ 350PCS 80pcs ＜200PCS 32pcs ＜200PCS All inspected 125pcs ＞200PCS Notes: AQL value 0.1 0.65 2.5 0.1 0.65 2.5 0.1 0.65 2.
DEM 20232 SYH-LY Product Specification 16. LCD MODULES HANDLING PRECAUTIONS n n 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. n 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 come into contact with your skin or clothes promptly wash it off using soap and water.
