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SPI串口液晶模块，12232中文字库液晶，汉字库液晶
1.122*32点阵
2.并口通信和串口通信可选
3.黄绿模式和蓝模式可选
4.供电3.3v/5v可选
5.内置控制器ST7920，带中文字库
6.尺寸兼容HC1627字符液晶
| 型号 |
规格 |
模块大小 |
显示尺寸 |
接口 |
控制器 |
背光 |
备注 |
PDF |
| HG122329系列 |
122*32 |
84.0*44.0 |
60.0*18.0 |
SPI |
ST7920 |
LED |
图形液晶模块 |
 |
|
|
+ 产品资料
|
PIN CONNECTIONS
| Pin |
Symbol |
Level |
Function |
| 1/17 |
VSS |
0V |
GND |
| 2/18 |
VDD |
+5V |
Power supply for logic |
| 3/19 |
VO |
- |
No connection |
| 4/22 |
A0 (CS) |
H/L (H) |
"H" Data,
"L" Instruction code
(Chip enable signal for serial mode) |
| 5/21 |
R/W (SID) |
H/L |
"H" Read, "L" Write (Data for serial mode) |
| 6/20 |
E(SCLK) |
H/L |
Enable signal(Serial clock) |
7
|
14 |
DB0
|
DB7 |
H/L |
Data bus line |
| 15/23 |
LEDA |
+5V |
Power supply for LED backlight |
| 16/24 |
LEDK |
0V |
|
|
MECHANICAL DATA
| Item |
Nominal Dimensions |
Unit |
| Module Size(W x H x T) |
84.0X44.0X13.0 |
mm |
| Viewing Area (W x H) |
60.0X18.0 |
mm |
| Dot Pitch (W x H) |
0.40X0.45 |
mm |
| Dot Size (W x H) |
0.35X0.40 |
mm |
ABSOLUTE MAXIMUM RATINGS
| Item |
Symbol |
Min. |
Max. |
Unit |
| Supply Voltage (Logic) |
VDD-VSS |
-0.3 |
5.5 |
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 |
90mA |
| White |
3.1V |
15mA |
|
NOTES:
1. Built-in ST7920 controller
2. Yellow green/blue mode optional
3. 5V/3.3V power supply optional
4. Parallel mode/serial mode optional |
