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HG144321系列
 

9x2中文液晶模块

  HG144321系列
 

1.144*32点阵

2.内置ST7920控制器,带中文字库

3.尺寸兼容市场主流HC1624字符液晶

4.可显示2行汉字,每行12个

5.3.3v/5v供电可选

   

型号 规格 模块大小 显示尺寸 控制器 点大小 背光 备注 PDF
HG144321系列 144*32 80.0*36.0 66.0*16.0 ST7920 0.38*0.38 LED 5/3.3V, 并口/串口可选
+ 产品资料

PIN CONNECTIONS
Pin Symbol Level Function
1 VSS 0V GND
2 VDD +5V Power supply for logic
3 VO - Operating voltage for LCD
4 A0 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 LEDA +5V Power supply for LED backlight
16 LEDK 0V

NOTES:
1. Built-in ST7920 controller
2. Yellow green/blue mode optional
  MECHANICAL DATA
Item Nominal Dimensions Unit
Module Size(W x H x T) 80.0X36.0X13.2 mm
Viewing Area (W x H ) 66.0X16.0 mm
Dot Pitch (W x H) 0.42X0.42 mm
Dot Size (W x H) 0.38X0.38 mm
ABSOLUTE MAXIMUM RATINGS
Item Symbol Min. Max. Unit
Supply Voltage (Logic) VDD-VSS -0.3 7.0 V
Supply Voltage (LCD) V0-VSS -0.3 7.0 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 2.0 - VDD V
Input Low Voltage VIL -0.3 - 0.6 V
Output High Voltage VOH 2.4 - VDD V
Output Low Voltage VOL 0 - 0.4 V
Supply Current IDD - 1.4 1.8 mA
LCD Driving Voltage VO-VSS - 4.7 - V
LED BACKLIGHT SPECIFICATIONS (Ta=25℃)
Item Forward Voltage Forward Current
YELLOW-GREEN 4.1V 100mA
White 3.1V 30mA
+ Products Keywords
embedded system lcd display, spi lcd module, stn display