Model No. WG12232N
►Graphic LCD 122x32
►Type: Graphic
►Structure: COB
►Size: 1.86"
►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
| 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 |
| 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 | |
| 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 |
| 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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