VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 2 OF 11 DOCUMENT REVISION HISTORY 1: DOCUMENT DATE DESCRIPTION CHANGED CHECKED REVISION BY BY FROM TO A 2001.12.21 First Release PHILIP TOM LEE (Based on the document CHENG VL-TS-MDLS40466D-XX REV. B, 2001.12.04) VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 3 OF 11 CONTENTS Page No. 1. GENERAL DESCRIPTION 4 2. MECHANICAL SPECIFICATIONS 4 3. ABSOLUTE MAXIMUM RATINGS 6 3.1 ELECTRICAL MAXIMUM RATINGS (Ta=25°C) 6 3.2 ENVIRONMENTAL CONDITION 6 4. ELECTRICAL SPECIFICATIONS 7 4.1 INTERFACE SIGNALS 7 4.2 TYPICAL ELECTRICAL CHARACTERISTICS 8 4.3 TIMING SPECIFICATIONS 9 4.4 TIMING DIAGRAM OF VDD AGAINST V0 11 VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 4 OF 11 VARITRONIX LIMITED Specification of LCD Module Type Item No.: MDLS40466D-07 1. General Description • 40 characters(5 x 8 dots)x 2 lines STN Positive Yellow Transflective Dot Matrix LCD module. • Viewing Angle: 6 O’clock direction. • Driving duty: 1/16 Duty, 1/5 bias. • ‘SAMSUNG’ KS0066UP-10BCC(die form) LCD Controller & Driver or equivalent. • ’SAMSUNG’ KS0065B-PCC (die form) or equivalent 40-Channel Segment/Common Drivers for Dot Matrix LCD. • Yellow-green LED04 backlight. 2. Mechanical Specifications The mechanical detail is shown in Fig. 1 and summarized in Table 1 below. Table 1 Parameter Specifications Unit Outline dimensions 196.0(W) x 56.0(H) x 14.0 MAX.(D) mm Effective viewing area 154.4(W) x 27.6(H) mm Display format 40 characters x 4 lines - Character size 3.15(W) x 5.50(H) (5 x 8 dots) mm Character spacing 0.60(W) x 0.40(H) mm Character pitch 3.75(W) x 5.90(H) mm Dot size 0.55(W) x 0.60(H) mm Dot spacing 0.10(W) x 0.10(H) mm Dot pitch 0.65(W) x 0.70(H) mm Weight TBD grams VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 5 OF 11 Figure 1: Outline Drawing VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 6 OF 11 3. Absolute Maximum Ratings 3.1 Electrical Maximum Ratings(Ta = 25 ºC) Table 2 Parameter Symbol Min. Max. Unit Power Supply voltage (Logic) VDD - VSS -0.3 +7.0 V Power Supply voltage (LCD drive) VLCD=VDD – V0 -0.3 +15.0 V Input voltage Vin -0.3 VDD +0.3 V Note: The modules may be destroyed if they are used beyond the absolute maximum ratings. All voltage values are referenced to VSS = 0V. 3.2 Environmental Condition Table 3 Operating Storage Item Temperature Temperature Remark (Topr) (Tstg) Min. Max. Min. Max. Ambient Temperature Dry 0°C +50°C -10°C +60°C Humidity no condensation 95% max. RH for Ta ≤ 40°C < 95% RH for Ta > 40°C Vibration (IEC 68-2-6) 3 directions Frequency: 10 ∼ 55 Hz cells must be mounted Amplitude: 0.75 mm on a suitable connector Duration: 20 cycles in each direction. Shock (IEC 68-2-27) Pulse duration : 11 ms 3 directions 2 Half-sine pulse shape Peak acceleration: 981 m/s = 100g Number of shocks : 3 shocks in 3 mutually perpendicular axes. VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 7 OF 11 4. Electrical Specifications 4.1 Interface signals Table 4 Pin No. Symbol Description 1 VSS Ground(0V). 2 VDD Power supply for logic (+5V) 3 V0 Power supply for LCD driver 4 RS Register Select Input: “High” for Data register (for read and write) ”Low” for Instruction register (for write), Busy flag, address counter (for read) 5 R/W Read/Write signal: ” High” for Read mode. “Low” for Write mode. 6 NC No connection. 7 DB0 Data input/output (LSB) 8 DB1 Data input/output 9 DB2 Data input/output 10 DB3 Data input/output 11 DB4 Data input/output 12 DB5 Data input/output 13 DB6 Data input/output 14 DB7 Data input/output (MSB) 15 E1 Enable 1. Start signal for data read /write. 16 E2 Enable 2. Start signal for data read /write. A LED(+) Anode of LED backlight K LED(-) Cathode of LED backlight VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 8 OF 11 4.2 Typical Electrical Characteristics At Ta = 25 ° ° ° °C, VDD = 5V± ± ± ±5%, VSS=0V. Table 5 Parameter Symbol Conditions Min. Typ. Max. Unit Supply voltage (Logic) VDD-VSS 4.75 5.00 5.25 V Supply voltage (LCD) VLCD VDD =5.0V, 4.2 4.6 5.0 V (External input) =VDD-V0 Note1. Input signal voltage 1 V ”H” level 2.2 - VCC V IH1 for E,DB0-DB7,R/W,RS. V ” L” level -0.3 - 0.6 V IL1 Input signal voltage 2 V ” H” level VCC –1 - VCC V IH2 for OSC1. V ” L” level -0.2 - 1.0 V IL2 Supply Current IDD Character - 2.0 3.0 mA (Logic & LCD) mode, Note 1 Checker board - 2.2 3.3 mA mode, Note 1 Supply Current (LCD) I0 Character - 0.4 0.6 mA mode, Note 1 Checker board - 0.4 0.6 mA mode, Note 1 Supply Voltage of V Supply Current 3.9 4.1 4.3 V LED04 yellow-green LED04 =360mA Backlight No. of LED chips = 72 Note (1) : There is tolerance in optimum LCD driving voltage during production and it will be within the specified range. VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 9 OF 11 4.3 Timing Specifications At Ta = 0 °C To +50 °C , VDD = +5V±5%, VSS = 0V. Refer to Fig. 2, the bus timing diagram for write mode. Table 6 Parameter Symbol Min. Max. Unit E Cycle Time tc 500 - ns E Rise/Fall Time t ,t - 20 ns R F E Pulse Width(high, low) t 230 - ns W R/W and RS Setup Time t 40 - ns SU1 R/W and RS Hold Time t 10 - ns H1 Data Set-up Time t 80 - ns SU2 Data Hold Time t 10 - ns H2 Refer to Fig. 3, the bus timing diagram for read mode. Table 7 Parameter Symbol Min. Max. Unit E Cycle Time tc 500 - ns E Rise/Fall Time t ,t - 20 ns R F E Pulse Width(high, low) t 230 - ns W R/W and RS Setup Time t 40 - ns SU R/W and RS Hold Time t 10 - ns H Data Output Delay Time t - 120 ns D Data Hold Time t 5 - ns DH VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 10 OF 11 Figure 2: Write Mode Timing Diagram Figure 3: Read Mode Timing Diagram VL-FS-MDLS40466D-07 REV. A (MDLS40466D-LV-LED04 YG) DEC./2001 PAGE 11 OF 11 4.4 Timing Diagram of VDD against V0. Power on sequence shall meet the requirement of Figure 4, the timing diagram of VDD against V0. VDD 95% LOGIC SUPPLY VOLTAGE V0 0V 50ms(typical) 0V LCD SUPPLY VOLTAGE Figure 4: Timing diagram of VDD against V0. “Varitronix Limited reserves the right to change this specification.” FAX:(852) 2343-9555. - END -