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HG1286412串口液晶,汉字库液晶模块,中文液晶模组
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1.128*64点阵
2.3.3V/5V供电可选
3.黄绿模式和蓝模式可选
4.并口通信和串口通信可选
5.内置控制器ST7920,带中文字库
6.尺寸兼容市场主流HG128642液晶
7.可显示4行汉字,每行8个
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型号 |
规格 |
模块大小 |
显示尺寸 |
接口 |
控制器 |
背光 |
备注 |
PDF |
HG1286412系列 |
128*64 |
93.0*70.0 |
72.0*40.0 |
SPI |
ST7920 |
LED |
图形液晶模块 |
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+ 产品资料
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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 |
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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 |
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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
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