Datasheet

ManualsBrandsDisplay Elektronik ManualsActive ComponentsLCD Yellow-green (W x H x D) 116 x 37 x 8.6 mm

24/Nov/2008

DISPLAY Elektronik GmbH

DEM 20231 SYH-PY

LCD MODULE

Product Specification

Version: 2

Summary of content (14 pages)

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DISPLAY Elektronik GmbH LCD MODULE DEM 20231 SYH-PY Product Specification Version: 2 24/Nov/2008
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GENERAL SPECIFICATION MODULE NO. : DEM 20231 SYH-PY CUSTOMER P/N VERSION NO. CHANGE DESCRIPTION DATE 0 ORIGINAL VERSION 14.02.2001 1 CHANGE LCD-DRIVER 08.07.2008 2 CHANGE PCB DESCRIPTION 24.11.2008 PREPARED BY: CXG DATE: 24.11.2008 APPROVED BY: MH DATE: 24.11.
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DEM 20231 SYH-PY Product Specification CONTENTS 1. FUNCTIONS & FEATURES ----------------------------------------------------------------- 2 2. MECHANICAL SPECIFICATIONS -------------------------------------------------------- 2 3. BLOCK DIAGRAM --------------------------------------------------------------------------- 3 5. EXTERNAL DIMENSIONS----------------------------------------------------------------- 3 5.
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DEM 20231 SYH-PY Product Specification 1. FUNCTIONS & FEATURES MODULE NAME LCD TYPE DEM 20231 SYH-PY STN Yellow Green Transflective Positive Mode z z z z z z z Viewing Direction Driving Scheme Power Supply Voltage VLCD Adjustable for Best Contrast Backlight Color Display contents Internal Memory z z z z CGROM Interface Operating Temperature Storage Temperature : 6 o'clock : 1/16 Duty Cycle, 1/5 Bias : 5.0 Volt (typ.) : 4.5 Volt (typ.
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DEM 20231 SYH-PY Product Specification 3. BLOCK DIAGRAM V0 VDD VSS COM1~COM16 LCD Controller LSI ST7066U0A-B LCD PANEL 2line* 20characters SEG41~SEG100 DB0~DB7 E R/W RS SEG1~SEG40 SEGMENT DRIVER ST7063 Control signals LED-(K) LED+(A) BACKLIGHT 4.
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DEM 20231 SYH-PY Product Specification 5. PIN ASSIGNMENT Function Pin No.
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DEM 20231 SYH-PY Product Specification 6. PCB DRAWING AND DESCRIPTION Note: The part no. DEM20231 is printed on the PCB. DESCRIPTION: 6-1-1.The polarity of the pin 15 and the pin 16: LED Polarity 15 Pin 16 Pin J3,J5 J2, J4 Each open Each closed Anode Cathode Each closed Each open Cathode Anode Note: In application module, J2=J4= open and J3=J5=closed 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.
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DEM 20231 SYH-PY Product Specification 7. BACKLIGHT & SWITCH (Ta=-20~+70°C) 8.
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DEM 20231 SYH-PY Product Specification 9. MAXIMUM ABSOLUTE POWER RATINGS (Ta=25°C) Item Symbol Standard value Unit Power supply voltage (1) VDD -0.3~+7.0 V Power supply voltage (2) VLCD VDD-15.0~VDD+0.3 V Input voltage VIN -0.3~VDD+0.3 V Operating temperature Topr -20~+70 °C Storage temperature Tstg -25~+75 °C *Voltage greater than above may damage to the Circuit.
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DEM 20231 SYH-PY Product Specification 10. ELECTRICAL CHARACTERISTICS 10-1 DC Characteristics (VDD=4.5V~5.5V, Ta=-20~+70°C) Standard Value Item MIN TYP MAX Test Condition Symbol Unit Operating Voltage VDD 4.5 5 5.5 ------- V Supply Current IDD ---- 0.35 0.6 VDD=5V,fosc=270kHz mA VLCD 3.0 4.5 13.0 VDD-V5 (1/5 Bias) V LCD Driving Voltage 10-2 AC Characteristics (VDD=4.5V~5.
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DEM 20231 SYH-PY Product Specification 10-2-2 Read mode (Reading data from ST7066 to MPU) Characteristic Symbol Min Type 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 (High, Low) tW 140 --- --- ns E R/W and RS Set-up Time tSU 0 --- --- ns R/W,RS R/W and RS Hold Time tH 10 --- --- ns R/W,RS Data Output Delay Time tD --- --- 100 ns DB0~DB7 Data Hold Time tDH 10 --- --
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DEM 20231 SYH-PY 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.
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DEM 20231 SYH-PY Product Specification 12.
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DEM 20231 SYH-PY Product Specification 13. 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.