DISPLAY Elektronik GmbH LCD MODULE DEM 20232 SYH-LY Product Specification Version : 3.1.0 16.09.
GENERAL SPECIFICATION MODULE NO. : DEM 20232 SYH-LY 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 PREPARED BY: OYQ DATE: 03.01.2008 APPROVED BY: MH DATE: 16.09.
DEM 20232 SYH-LY Product Specification CONTENTS 1. FUNCTIONS & FEATURES ----------------------------------------------------------------- 2 2. MECHANICAL SPECIFICATIONS -------------------------------------------------------- 2 3. BLOCK DIAGRAM --------------------------------------------------------------------------- 3 4. EXTERNAL DIMENSIONS----------------------------------------------------------------- 3 5.
DEM 20232 SYH-LY Product Specification 1. FUNCTIONS & FEATURES MODULE DEM 20232 SYH-LY z z z z z z z z z 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 z CGROM z 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 COM1~COM16 LCD Controller SEG1~SEG40 2 Line x 20 Characters SEG41~SEG100 LSI ST7066 Control Signals A K LCD PANEL SEGMENT DRIVER ST7063 BACKLIGHT 4. EXTERNAL DIMENSIONS Version: 3.1.
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 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. 6.
DEM 20232 SYH-LY Product Specification 7. BACKLIGHT & SWITCH(Ta=-20~+70°C) For war d Vol t age For war d Cur r ent Rever se Vol t age Rever se Cur r ent f f Pd VR R V 3. 7 100 P 4. 1 270 1. 11 10. 0 0. 20 150 572 35 4. 5 V mA W V mA cd/ m nm nm CONDI TI ONS 2 I f =270 mA I f =270 mA I f =270 mA Ta=25° C I f =10mA Each chi p El ect r i cal Ci r cui t A K 33 x 2 = 66 PCS Version: 3.1.
DEM 20232 SYH-LY Product Specification 8. DISPLAY DATA RAM (DDRAM) 9. MAXIMUM ABSOLUTE LIMIT Item Power supply voltage(1) Power supply voltage(2) Input voltage Operating temperature Storage temperature 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 Tstg Unit V V V °C °C *Voltage greater than above may damage to the Circuit. VDD＞V1＞V2＞V3＞V4＞V5 Version: 3.1.
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 13.0 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 Hol
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. STANDARD CHARACTER PATTERN (ST7066U-0A) U p p e r(4 b it) 0000 L o w e rr(4 b it) 0001 0010 0011 0100 0101 0110 0111 1000 1001 10010 1011 1100 1101 1110 1111 CG RAM 0000 (1 ) 0001 (2 ) 0010 (3 ) 0011 (4 ) 0100 (5 ) 0101 (6 ) 0110 (7 ) 0111 (8 ) 1000 (1 ) 1001 (2 ) 1010 (3 ) 1011 1100 1101 1110 1111 (4 ) (5 ) (6 ) (7 ) (8 ) Version: 3.1.
DEM 20232 SYH-LY 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 comes into contact with your skin or clothes promptly wash it off using soap and water.
