122 x 32 Liquid Crystal Display
Model No. WG12232N
►Graphic LCD 122x32
►IC: ST7920
►1/32 duty cycle
►Internal boost optional for +3.0V power supply
►Chinese version
►Same size as WG12232D
►White LED backlight not available
►Interface: 6800/SPI
Description
WG12232N is a monochrome 122x32 graphic LCD display module which is having the same mechanical size as WG12232D. This 122x32 graphic LCD display is built in with ST7920 controller IC which supports Traditional Chinese and Simplified Chinese Font. WG12232N supports 6800 8-bit parallel and SPI interface. This module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
DRAWING
Data source ref:WG12232N-YYH-VGB#
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | VLED | 0V | B/L Selected |
| 2 | VSS | 0V | Ground |
| 3 | VDD | 5.0V | Power supply for logic |
| 4 | Vo | (Variable) | Operating voltage for LCD |
| 5 | RS | H/L | H: Data , L : Instruction |
| 6 | E | H/L | ENABLE SIGNAL |
| 7 | VOUT | Positive Voltage Output | |
| 8 | DB0 | H/L | Data bus line |
| 9 | DB1 | H/L | Data bus line |
| 10 | DB2 | H/L | Data bus line |
| 11 | DB3 | H/L | Data bus line |
| 12 | DB4 | H/L | Data bus line |
| 13 | DB5 | H/L | Data bus line |
| 14 | DB6 | H/L | Data bus line |
| 15 | DB7 | H/L | Data bus line |
| 16 | R/W | H/L | H : Read ; L : Write |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 122 x 32 | － |
| Module dimension | 59.0 x 29.3 x 5.5(Max) | mm |
| View area | 52.0 x 15.0 | mm |
| Active area | 45.72 x 11.97 | mm |
| Dot size | 0.345 x 0.345 | mm |
| Dot pitch | 0.375 x 0.375 | mm |
| Duty | 1/32 | |
| Backlight Type | LED | |
| IC | ST7920 | |
| Interface | 6800 | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Input voltage | VI | -0.3 | － | VDD+0.3 | V |
| Supply voltage for Logic | VDD-VSS | -0.3 | － | 5.5 | V |
| LCD Driver Voltage | VLCD | -0.3 | － | 7.0 | V |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 4.5 | 5.0 | 5.5 | V |
| Supply Voltage For LCD | V0-VSS | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 4.2 － |
－ 4.35 － |
－ 4.5 － |
V V V |
| Input High Volt. | VIH | － | 0.7VDD | － | VDD | V |
| Input Low Volt. | VIL | － | -0.3 | － | 0.6 | V |
| Output High Volt. | VOH | － | 0.8VDD | － | VDD | V |
| Output Low Volt. | VOL | － | － | － | 0.4 | V |
| Supply Current | IDD | VDD=5.0V | 0.8 | 1.0 | 1.5 | mA |
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