Datasheet

ManualsBrandsDisplay Elektronik ManualsActive ComponentsLCD White 20 x 4 Pixel (W x H x D) 98 x 60 x 11.6 mm

12/June/2009

DISPLAY Elektronik GmbH

DEM 20486 FGH-PW

LCD MODULE

Product Specification

Version:2

Summary of content (14 pages)

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DISPLAY Elektronik GmbH LCD MODULE DEM 20486 FGH-PW Product Specification Version:2 12/June/2009
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GENERAL SPECIFICATION MODULE NO. : DEM 20486 FGH-PW CUSTOMER P/N: Version No. Change Description Date 0 ORIGINAL VERSION 14.11.2007 1 ADDING VERSION 17.03.2009 2 CHANGE LED-RESISTOR 12.06.2009 PREPARED BY: APPROVED BY: XYP DATE: 17.03.2009 MH DATE: 17.03.
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DEM 20486 FGH-PW Product Specification CONTENTS 1. FUNCTIONS & FEATURES ..........................................................................................................................2 2. MECHANICAL SPECIFICATIONS .............................................................................................................2 3. BLOCK DIAGRAM ........................................................................................................................................3 4.
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DEM 20486 FGH-PW Product Specification 1. FUNCTIONS & FEATURES MODULE NAME LCD Type DEM 20486 FGH-PW FSTN Transflective Positive Mode z Viewing Direction : 6 o’clock z Driving Scheme : 1/16 Duty Cycle, 1/5 Bias z Power Supply Voltage : 5.0 Volt (typ.) z VLCD (VDD-V0) : 4.5 Volt (typ.
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DEM 20486 FGH-PW Product Specification 3. BLOCK DIAGRAM LCD PANEL R/W RS LCD Controller V0 VDD VSS SEG1~SEG40 LSI SEGMENT DRIVER ST7063 SEGMENT DRIVER ST7063 ST7066U-0AB Control signals A K SEG121~SEG200 E 4 Line x 20 Characters SEG41~SEG120 COM1~COM16 DB0~DB7 BACKLIGHT 4.
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DEM 20486 FGH-PW Product Specification 5. PIN ASSIGNMENT Function Pin No. Symbol 1 VSS Ground terminal of module 2 VDD Power supply of module +5V 3 V0 4 RS 5 R/W 6 E 7 DB0 8 DB1 9 DB2 10 DB3 11 DB4 12 DB5 13 DB6 14 DB7 15 LED-(K) Place also refer to 6.1 PCB Drawing and description 16 LED-(A) Place also refer to 6.
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DEM 20486 FGH-PW Product Specification 6. PCB DRAWING AND DESCRIPTION PCB Drawing Note: The part no. DEM20486 is printed on the PCB. DESCRIPTION: 6-1-1.The polarity of the pin 15 and the pin 16 LED Polarity(1) 15 Pin 16Pin Anode Cathode J3=J5=open J2=J4=closed Note: In application module, J2=J4= open and J3=J5=closed LED Polarity(2) 15 Pin 16 Pin Cathode Anode J3=J5= closed J2=J4= open 6-1-2. The metal-bezel is set be on ground when the J1 is closed. Note: In application module, J1=closed 6-1-3.
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DEM 20486 FGH-PW Product Specification 7. BACKLIGHT & SWITCH Item Forward Voltage Forward Current Power Dissipation Reverse Voltage Reverse Current Luminous Intensity Luminous Uniformity Emission Wavelength Version: 2 Symbol Vf If Pd VR IR Lv ΔLv X Y MIN. 60 70 0.27 0.75 TYP. 4.0 60 0.28 4.0 0.8 80 MAX. 4.2 0.3 0.315 Unit V mA W V mA cd/m2 % nm Conditions If=60mA If=60mA If=4.0V If=4.
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DEM 20486 FGH-PW Product Specification 8. DISPLAY DATA RAM (DDRAM) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 FIRST 00 LINE 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 SECOND LINE 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 THIRDD LINE 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27 FOURTH LINE 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F 60 61 62 63 64 65 66 67 1 9.
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DEM 20486 FGH-PW Product Specification 10. ELECTRICAL CHARACTERISTICS 10-1 DC Characteristics Item Operating Voltage Supply Current LCD Driving Voltage Standard Value MIN TYP MAX 4.5 5 5.5 ---0.35 0.6 3.0 4.5 13.
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DEM 20486 FGH-PW Product Specification 10-2-2 Read mode Characteristic E Cycle Time E Rise Time E Fall Time E Pulse width Address Setup Time Address Hold Time Data Setup Time Data Hold Time Symbol tC tR tF tpW tAS tAH tDDR tH Min 1200 ----140 0 10 --10 Type ----------------- Max --25 25 ------100 --- Unit ns ns ns ns ns ns ns ns Test PIN E E E E R/W,RS,E R/W,RS,E DB0~DB7 DB0~DB7 VIH1 RS V IL1 tAH tAS R/W tAH tr tPW E tr DB0~DB7 tH tDDR Valid Data tC Version: 2 PAGE:9
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DEM 20486 FGH-PW Product Specification 11. CONTROL AND DISPLAY COMMAND Command RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Execution time (fosc=270KHz) Remark Write”20H” to DDRAM. And set DDRAM address to “00H” from AC Set DDRAM address to “00H” from AC and return cursor to its original position if shifted. The contents of DDRAM are not changed. Sets cursor move direction and specifies display shift. These operations are performed during data write and read. Clear Display 0 0 0 0 0 0 0 0 0 1 1.
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DEM 20486 FGH-PW Product Specification 12.
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DEM 20486 FGH-PW Product Specification 13. LCD MODULES HANDLING PRECAUTIONS Please remove the protective 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 come into contact with your skin or clothes promptly wash it off using soap and water.