DISPLAY Elektronik GmbH LCD MODULE DEM 40491 SBH-PW-N Product Specification Version: 3 18/Jun/2009
GENERAL SPECIFICATION MODULE NO. : DEM 40491 SBH-PW-N CUSTOMER P/N Version No. Change Description Date 0 Original Version Update Backlight Description And PCB Description Update Backlight Drawing Update Module Drawing and Change LED Resistor 08.04.2009 1 2 3 15.04.2009 20.04.2009 18.06.2009 PREPARED BY: HCL DATE: 18.06.2009 APPROVED BY: MH DATE: 18.06.
DEM 40491 SBH-PW-N Product Specification CONTENTS 1. FUNCTIONS & FEATURES .........................................................................................................................2 2. MECHANICAL SPECIFICATIONS.............................................................................................................2 3. EXTERNAL DIMENSIONS...........................................................................................................................3 4. BLOCK DIAGRAM ..........
DEM 40491 SBH-PW-N Product Specification 1. FUNCTIONS & FEATURES z z z z z z z MODULE NAME LCD Type DEM 40491 SBH-PW-N STN Blue Transmissive Negative mode Viewing Direction Driving Scheme Power Supply Voltage Backlight Color VLCD Adjustable for Best Contrast Display Content Internal Memory z Interface z Operating Temperature z Storage Temperature : 6 o’clock : 1/16 Duty Cycle, 1/5 Bias : 5.0 Volt (typ.) : LED, White, Lightguide : 4.5 Volt (typ.
DEM 40491 SBH-PW-N Product Specification 3.
DEM 40491 SBH-PW-N Product Specification 4. BLOCK DIAGRAM LCD Controller LSI ST7066-0A-B <1> Bare Chip DB0~DB7 E1 R/W Control signal Segment Driver ST7063X2 Bare Chip SEG40 SEG160 COM16 RS LCD PANEL 4lineX40characters COM16 LCD Controller LSI ST7066-0A-B <2> Bare Chip E2 V0 VDD SEG40 SEG160 Segment Driver ST7063X2 Bare Chip Control signal VSS 5. PIN ASSIGNMENT Pin No.
DEM 40491 SBH-PW-N Product Specification 6. PCB DRAWING AND DESCRIPTION DESCRIPTION: 6-1-1.The polarity of the pin 17 and the pin 18: LED Polarity 17 Pin 18 Pin J3,J5 J2, J4 open Each closed Anode Cathode Each closed open Cathode Anode Note: In application module, J2=J4= open and J3=J5=closed 6-1-2. The metal-bezel is set on ground when the J1 is closed Note: In application module, J1=closed 6-1-3. The mounting-holes should be on ground when the J7 is close.
DEM 40491 SBH-PW-N Product Specification 7.
DEM 40491 SBH-PW-N Product Specification 8. DISPLAY DATA RAM (DDRAM) 9. MAXIMUM ABSOLUTE LIMIT Item Power supply voltage(1) Power supply voltage(2) Input voltage Symbol VDD VLCD Standard value -0.3~+7.0 VDD-15.0~VDD+0.3 VIN Topr -0.3~VDD+0.3 -20~+70 -30~+80 Operating temperature Storage temperature Tstg *Voltage greater than above may damage to the circuit, Unit V V V °C °C VDD≥ V1≥ V2≥ V3≥ V4≥ V5 .
DEM 40491 SBH-PW-N Product Specification 10. ELECTRICAL CHARACTERISTICS 10-1 DC Characteristics Operating Voltage VDD Standard Value Min Typ Max 4.5 5.0 5.5 LCD Driving Voltage VLCD 3.0 4.5 IDD ---- 0.35 Item Symbol Supply Current (VDD=4.5V~5.5V,Ta=25°C) Test Unit Condition ------- V 13.0 VDD-V5 V 0.6 VDD=5V,fosc=270kHz mA 10-2 AC Characteristics 10-2-1 Write mode (writing data from MPU to ST7066) Characteristic E Cycle Time (VDD=4.5V~5.
DEM 40491 SBH-PW-N Product Specification 10-2-2 Read Mode (Reading Data From ST7066 to MPU) Characteristic E Cycle Time (VDD=4.5V~5.
DEM 40491 SBH-PW-N 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 40491 SBH-PW-N Product Specification 12.
DEM 40491 SBH-PW-N 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.
