DISPLAY Elektronik GmbH LCD MODULE DEM 20488 FGH-PW Product specification Version :8 25/Apr/2007
GENERAL SPECIFICATION MODULE NO. : DEM 20488 FGH-PW CUSTOMER P/N VERSION NO. CHANGE DESCRIPTION DATE 0 08/03/2005 4 ORIGINAL VERSION ADD PCB DRAWING AND DESCRIPTION CHANGED SERIES CHANGED PCB DRAWING AND DESCRIPTION CHANGED LCD TYPE 15/10/2005 5 ADD VERSION 22/12/2005 6 ADD VERSION CHANGED BACKLIGHT PARAMETER AND STORAGE TEMPERATURE MODIFY SECTION 6 22/03/2007 1 2 3 7 8 14/03/2005 11/04/2005 20/04/2005 28/03/2007 24/04/2007 PREPARED BY: WJN DATE: 25.04.2007 APPROVED BY: MHO DATE: 22.
DEM 20488 FGH-PW Product Specification CONTENTS 1. FUNCTIONS & FEATURES .................................................................................................................2 2. MECHANICAL SPECIFICATIONS.....................................................................................................2 3. EXTERNAL DIMENSIONS...................................................................................................................3 4. BLOCK DIAGRAM ...................................
DEM 20488 FGH-PW Product Specification 1. FUNCTIONS & FEATURES MODULE DEM 20488 FGH-PW z z z z z z Viewing Direction Driving Scheme Power Supply Voltage VLCD (VDD-V0) Display Format Internal Memory z z z z CGROM Interface Operating Temperature Storage Temperature LCD TYPE FSTN Transflective Positive Mode : 6 o’clock : 1/16 Duty Cycle, 1/5 Bias : +5.0Volt (typ.) : 4.5Volt (typ.
DEM 20488 FGH-PW Product Specification 3. EXTERNAL DIMENSIONS 4.
DEM 20488 FGH-PW Product Specification 5. PIN ASSIGNMENT Pin No. Symbol Function 1 VSS Ground (0V) 2 3 VDD V0 4 RS 5 6 R/W E 7~10 DB0~DB3 Power supply(VDD>VSS) Operating voltage for LCD Select registers. 0: Instruction register (for write) busy flag: address counter (for read); 1: Data register (for write and read) Select read or write. 0: Write mode; 1: Read mode Start enable signal to read or write the data Four low order bi-directional there-state data bus lines.
DEM 20488 FGH-PW Product Specification 6.2 DESCRIPTION: 6-2-1.The polarity of the pin 15 and the pin 16: symbol J3, J5 J4, J6 Each solder-bridge Each open Each closed Each solder-bridge Each closed Each open state 15 Pin Anode Cathode LED Polarity 16 Pin Cathode Anode Note: In application, J3=J5=0 Ohm, J2=J4=J6=open 6-2-2. The metal-bezel is set on ground when the J1 is closed. Note: In application module, J1=0 Ohm 6-2-3.
DEM 20488 FGH-PW Product Specification 7. BACKLIGHT ELECTRICAL/OPTICAL SPECIFICATIONS 7.1 Backlight Characteristics Description Electrical-Optical Characteristics ITEM Forward Current Reverse Current Peak Wave length Spectral Line Half Width Luminance SYMBOL If Ir λP Δλ Lv MIN. ----------- TYP. 15 30 ----150 MAX 20 --------- UNIT mA uA nm nm cd/m2 CONDITION Vf=3.0V Vr=0.8V Vf=3.0V 8. MAXIMUM ABSOLUTE POWER RATINGS (Ta = 25°C) Item Symbol Standard value Unit Power supply voltage VDD -0.3~+7.
DEM 20488 FGH-PW Product Specification 10. ELECTRICAL CHARACTERISTICS 10-1. DC Characteristics (VDD=4.5V~5.5V) Item Standard Value Symbol MIN TYP MAX Test Condition Unit Operating Voltage VDD 4.5 5.0 5.5 ------- V LCD Voltage VLCD 3.0 4.5 10.0 VDD – V5 V IDD --- 0.2 0.5 VDD=5V,fosc=270kHz mA Supply Current 10-2.
DEM 20488 FGH-PW Product Specification 10-2-2 Read Mode (Reading Data from module to MPU) Characteristic Symbol Min Typ Max Unit Test PIN E Cycle Time tC 1200 --- --- ns E E Rise Time tR --- --- 25 ns E E Fall Time tF --- --- 25 ns E E Pulse width tpW 140 --- --- ns E Address Setup Time tAS 0 --- --- ns R/W,RS,E Address Hold Time tAH 10 --- --- ns R/W,RS,E Data Setup Time tDDR --- --- 100 ns DB0~DB7 Data Hold Time tH 10 --- --- ns DB0~DB7 VIH1
DEM 20488 FGH-PW Product Specification 11. CONTROL AND DISPLAY COMMAND DB2 DB1 DB0 Execution time (fosc=270KHz) Remark 0 0 0 1 1.52ms Write”20H” to DDRAM. And set DDRAM address to “00H” from AC 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. 0 0 0 1 I/D S 37us Sets cursor move direction and specifies display shift. These operations are performed during data write and read.
DEM 20488 FGH-PW Product Specification 12.
DEM 20488 FGH-PW Product Specification 13. LCM INITIALIZING BY INSTRUCTION 13.1. 8-bit Interface Mode Power on Wait time > 40ms Condition: fosc=270khz after VCC > 4.
DEM 20488 FGH-PW Product Specification 13-2. 4-bit Interface Mode Power on Condition: fosc=270khz Wait time > 40ms after VCC > 4.
DEM 20488 FGH-PW Product Specification 14. 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 come into contact with your skin or clothes promptly wash it off using soap and water.