VL-FS-MGLS128128-19C VARITRONIX | Alldatasheet
Document overview
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- PDF pages: 10
Technical content
Datasheet sections
- 3.1 ELECTRICAL MAXIMUM RATINGS (Ta=25 °C)
- 3.2 ENVIRONMENTAL CONDITION
- 4.1 INTERFACE SIGNALS
- 4.2 TYPICAL ELECTRICAL CHARACTERISTICS
- 4.3 TIMING SPECIFICATIONS
- 4.4 TIMING DIAGRAM OF VDD
VL-FS-MGLS128128-19C REV . A (MGLS128128-HT-HV-LED04) MAY/2002 PAGE 2 OF 10 DOCUMENT REVISION HISTORY 1: DOCUMENT REVISION F R O M T O DATE DESCRIPTION CHANGED BY CHECKED BY A 2002.05.22 First Release. (The specification was modified based on the test specification : VL-TS-MGLS128128-19C REV . A (2001.08.21)). PHILIP CHENG TOM LEE
VL-FS-MGLS128128-19C REV . A (MGLS128128-HT-HV-LED04) MAY/2002 PAGE 4 OF 10 V ARITRONIX LIMITED Specification of LCD Module Type Item No.: MGLS128128-19C 1. General Description
- 128 x 128 dots STN Positive Yellow Transflective LCD graphic module.
- Driving scheme: 1:128 multiplexed drive, 1/12.4 bias.
- Viewing direction: 6 O’clock.
- ‘TOSHIBA’ T6963C flat pack or equivalent LCD controller.
- ‘TOSHIBA’ T6A39 flat pack or equivalent LCD segment drivers.
- ‘TOSHIBA’ T6A40 flat pack or equivalent LCD common drivers.
- 8K byte display SRAM.
- 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 92.0 (W) x 106.0(H) x 16.5(D) mm Viewing area 73.0(W) x 73.0(H) mm Active area 70.35(W) x 70.35(H) mm Display format 128 x 128 Dots Dot size 0.50(W) x 0.50(H) mm Dot spacing 0.05(W) x 0.05(H) mm Dot pitch 0.55(W) x 0.55(H) mm Weight TBD Grams
VL-FS-MGLS128128-19C REV . A (MGLS128128-HT-HV-LED04) MAY/2002 PAGE 5 OF 10 Figure 1: Outline drawing.
VL-FS-MGLS128128-19C REV . A (MGLS128128-HT-HV-LED04) MAY/2002 PAGE 6 OF 10 3. Absolute Maximum Ratings
3.1 Electrical Maximum Ratings(Ta = 25 ºC)
Parameter Symbol Min. Max. Unit Supply voltage (Logic) VDD - VSS -0.3 +7.0 V Supply voltage (LCD drive) VLCD=VDD – V0 -0.3 +28.0 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
(Topr) Storage Temperature (Tstg) Remark Min. Max. Min. Max. Ambient Temperature -20°C +70 °C -30 °C +80 °C Dry Humidity 95% max. RH for Ta ≤ 40 °C < 95% RH for Ta > 40°C no condensation Vibration (IEC 68-2-6) cells must be mounted on a suitable connector Frequency: 10 ∼ 55 Hz Amplitude: 0.75 mm Duration: 20 cycles in each direction. 3 directions Shock (IEC 68-2-27) Half-sine pulse shape Pulse duration : 11 ms Peak acceleration: 981 m/s2 = 100g Number of shocks : 3 shocks in 3 mutually perpendicular axes. 3 directions
VL-FS-MGLS128128-19C REV . A (MGLS128128-HT-HV-LED04) MAY/2002 PAGE 7 OF 10 4. Electrical Specifications
4.1 Interface signals
Pin No. Symbol Description
1 FGND Frame Ground (see note 1)
2 VSS Ground(0V)
3 VDD Power supply for logic (+5V)
4 V0 Power supply for LCD drive
5 WR Command/Data write to module when “L”
6 RD Command/Data read from module when “L”
7 CE Chip enable of controller when “L”
8 C/D Command/Data read /write. “H” for command read/write and “L” for data read/write.
9 RST Controller reset when “L”
10 DB00 Data input/output (LSB)
11 DB01 Data input/output
12 DB02 Data input/output
13 DB03 Data input/output
14 DB04 Data input/output
15 DB05 Data input/output
16 DB06 Data input/output
17 DB07 Data input/output (MSB)
18 FS Font select. “H” for 6 x 8 font & “L” for 8 x 8 font 19 LED+(A) Anode of LED backlight. 20 LED-(K) Cathode of LED backlight. Note 1: This pin is electrically connected to the metal bezel(frame). User can choose to connect this pin to VSS or leave it open.
VL-FS-MGLS128128-19C REV . A (MGLS128128-HT-HV-LED04) MAY/2002 PAGE 8 OF 10
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 –V0 VDD = 5V ,Note 1 19.7 20.5 21.3 V Input signal voltage VIN “H” level VDD -2.2 - VDD V “L” level 0 - 0.8 V Character mode, VDD = 5V , Note 1 - 9.4 14.1 mA Supply current (Logic & LCD) IDD Checker board mode, VDD = 5V , Note 1 - 9.8 14.7 mA Character mode, VDD = 5V , Note 1 - 5.0 7.5 mA Supply current (LCD) Checker board mode, VDD = 5V , Note 1 - 5.3 8.0 mA Supply voltage of LED04 backlight VLED04 Forward current =500mA. Number of LED chips=100. 3.9 4.1 4.3 V Note 1: There is tolerance in optimum LCD driving voltage during production and it will be within the specified range.
VL-FS-MGLS128128-19C REV . A (MGLS128128-HT-HV-LED04) MAY/2002 PAGE 9 OF 10
4.3 Timing Specifications
At Ta = -20 °C To +70°C, VDD = 5V±5%,VSS=0V Refer to Fig. 2 , the bus timing diagram. Table 6 Parameter Symbol Min. Max. Unit C/D Set-up time tCDS 100 - ns C/D Hold Time tCDH 1 0 - n s /CE,/RD,/WR Pulse Width tCE, tRD, tWR 8 0 - n s Data Set-up Time tDS 8 0 - n s Data Hold Time tDH 4 0 - n s Access Time tACC - 150 ns Output Hold Time tOH 1 0 5 0 n s Figure 2: Bus Timing Diagram
VL-FS-MGLS128128-19C REV . A (MGLS128128-HT-HV-LED04) MAY/2002 PAGE 10 OF 10 4.4 Timing Diagram of VDD Against V0. Power on sequence shall meet the requirement of Figure 3, the timing diagram of VDD against V0. VDD OV 95% 50ms(typical) LOGIC SUPPLY VOLTAGE LCD SUPPLY VOLTAGE Figure 3: Timing Diagram of VDD Against V0. “Varitronix Limited reserves the right to change this specification.” FAX:(852) 2343-9555. - END -