144x32 Display Grafico

  • produsts-pic
VG144321

1.Controlador integrado ST7920
   (Modo de matriz de 144x32 puntos, modo chino Big5/GB de 16x16 puntos o modo ASCII de 8x16 puntos)
2. Fuente de alimentación única de +5 V (opción de +3 V)
3. Ciclo de servicio 1/32
4.Contactos LED B/L: A/K o 1/2 y 15/16
5. Retroiluminación: LED B/L

ItemStandard ValueUnit
Module Dimension 84.0 x 44.0 mm
Viewing Area 66.0 x 16.0 mm
Active Area 60.44 x 13.4 mm
Dot Size 0.38 x 0.38 mm
Dot Pitch 0.42 x 0.42 mm
ItemSymbolConditionTypical ValueUnit
Input Voltage VDD 25 ℃ 5.0 V
Supply Current IDD VDD = +5V 1.5 mA
LCD Driving Voltage VDD - VO 25 ℃ 4.7 V
LED Forward Voltage Vf 25 ℃ 4.2 V
LED Forward Current If 25 ℃ 110 mA
PinSymbolFunction
1 VSS GND
2 VDD +5V(+3V option)
3 VO Contrast Adjustment
4 RS Register selection signal
5 R/W H/L read/write signal
6 E H→L Enable signal
7~14 DB0~DB7 H/L data bus line
15 A Power supply for B/L (+)
16 K Power supply for B/L (-)

VG144321