HG1286412串口液晶，汉字库液晶模块，中文液晶模组

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

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

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