激情人妻在线,又长又硬又粗一区二区三区,国产爽爽爽网,最新中文字幕久久二区

  1. <bdo id="cbt7u"><span id="cbt7u"><meter id="cbt7u"></meter></span></bdo>

    <bdo id="cbt7u"><span id="cbt7u"><meter id="cbt7u"></meter></span></bdo>
  2. <track id="cbt7u"><input id="cbt7u"></input></track>
  3. 新聞詳情

    HG1286412字庫(kù)液晶顯示模塊應(yīng)用2

    日期:2025-07-05 07:02
    瀏覽次數(shù):1661
    摘要:
    HG1286412字庫(kù)液晶顯示模塊應(yīng)用2

    接上一篇

    三,HG1286412液晶i顯示模塊尺寸圖
         
        
    PIN CONNECTIONS
    Pin Symbol Level Function
    1 VSS 0V GND
    2 VDD +5V Power supply for logic
    3 VO - No connection
    4 RS H/L "H" Data,
    "L" Instruction code
    5 R/W H/L "H" Read, "L" Write
    6 E H/L Enable signal
    7
    |
    14
    DB0
    |
    DB7
    H/L Data bus line
    15 PSB H/L "H" Parallel mode
    "L" Serial mode
    16 NC - No Connection
    17 /REST L Reset signal ,active "L"
    18 VOUT - No connection
    19 LEDK 0V Power supply for LED backlight
    20 LEDA +5V

    NOTES:
    1. Built-in ST7920(with Chinese char ROM)
    2. Yellow green/blue mode optional
    3. 5V/3.3V power supply optional
    4. Parallel mode/serial mode optional
      MECHANICAL DATA
    Item Nominal Dimensions Unit
    Module Size(W x H x T) 93.0X70.0X12.5 mm
    Viewing Area (Wx H) 72.0X40.0 mm
    Dot Pitch (W xH) 0.52X0.52 mm
    Dot Size (W x H) 0.48X0.48 mm
    ABSOLUTE MAXIMUM RATINGS
    Item Symbol Min. Max. Unit
    Supply Voltage (Logic) VDD-VSS -0.3 5.5 V
    Supply Voltage (LCD) VO-VSS -0.3 7 V
    Input Voltage VI -0.3 VDD+0.3 V
    Operating Temp. TOPR -20 70
    Storage Temp. TSTG -30 80
    ELECTRICAL CHARACTERISTICS (VDD=5.0V, Ta=25℃)
    Item Symbol Min. Typ. Max. Unit
    Input High Voltage VIH 0.7VDD - VDD V
    Input Low Voltage VIL -0.3 - 0.6 V
    Output High Voltage VOH 0.8VDD - VDD V
    Output Low Voltage VOL 0 - 0.4 V
    Supply Current IDD - 3 5 mA
    LCD Driving Voltage VO-VSS - 5 - V
    LED BACKLIGHT SPECIFICATIONS (Ta=25℃)
    Item Forward Voltage Forward Current
    YELLOW-GREEN 4.1V 360mA
    White 3.1V 60mA