Model No. WO240128C
►COG LCD
►Type: Graphic
►Structure: COG
►Size: 3.75"
►Display Format: 240x128 dots
►IC: UC1528c
►3V power supply
►1/128 duty cycle
►Interface : 6800,8080,SPI,I2C
WO240128C is a 3.75-inch COG (Chip-On-Glass) monochrome graphic LCD module featuring a resolution of 240x128 dots. Designed for versatility and ease of integration, this display module supports multiple interface options, including 6800, 8080, 4-Wire SPI, and I2C, making it adaptable to various system requirements through hardware connection or software configuration.
This model operates with a single 3.0V power supply for both the module and backlight, simplifying power management and reducing external component count. Equipped with a built-in voltage booster, the WO240128C allows control over the operating voltage (Vop) via software, enabling users to adjust display contrast as needed.
The display uses a UC1528C controller and features a 1/128 duty cycle for efficient performance. It is available in two LCD type options:
These combinations provide flexibility for use in various lighting environments. The WO240128C is well-suited for a wide range of applications, including industrial control panels, handheld instruments, medical equipment, test and measurement devices, and communication systems. Its compact COG construction and multiple interface support make it an excellent choice for space-saving and interface-flexible designs.
For other custom configurations, please feel free to contact us.
Data source ref: WO240128C-TFH#
| Item | Dimension | Unit |
|---|---|---|
| Number of Characters | 240 x 128 dots | － |
| Module dimension | 98.7 x 67.7 x 5.7 | mm |
| View area | 92.0 x 53.0 | mm |
| Active area | 83.975 x 44.775 | mm |
| Dot size | 0.325 x 0.325 | mm |
| Dot pitch | 0.35 x 0.35 | mm |
| Duty | 1/128 , 1/12 Bias | |
| Backlight Type | LED | |
| IC | UC1528c | |
| Interface | 6800/8080/4-Line SPI/I2C | |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Supply Voltage For Logic | VDD | -0.3 | － | +4.0 | V |
| Supply Voltage For LCD Drive | VLCD | -0.3 | － | +18.0 | V |
| Input voltage range | VIN | -0.4 | － | VDD+0.5 | V |
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 2.7 | 3.0 | 3.3 | V |
| Supply Voltage For LCM | VLCD | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 15.0 － |
－ 15.3 － |
－ 15.6 － |
V V V |
| Input High Volt. | VIH | － | 0.8 VDD | － | VDD | V |
| Input Low Volt. | VIL | － | VSS | － | 0.2 VDD | V |
| Output High Volt. | VOH | － | 0.8 VDD | － | VDD | V |
| Output Low Volt. | VOL | － | VSS | － | 0.2 VDD | V |
| Supply Current (No include LED Backlight) |
IDD | VDD=3.0V | － | 1.18 | 2.5 | mA |
| Pin No | Symbol | Function | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ESD | ESD | ||||||||||||||||||||||||||||||||||||
| 2 | VB0+ | LCD Bias Voltages. | ||||||||||||||||||||||||||||||||||||
| 3 | VB1+ | |||||||||||||||||||||||||||||||||||||
| 4 | VB1- | |||||||||||||||||||||||||||||||||||||
| 5 | VB0- | |||||||||||||||||||||||||||||||||||||
| 6 | VLCD | High voltage LCD Power Supply. | ||||||||||||||||||||||||||||||||||||
| 7 | VDD | Power supply | ||||||||||||||||||||||||||||||||||||
| 8 | VDD | |||||||||||||||||||||||||||||||||||||
| 9 | VSS | Ground | ||||||||||||||||||||||||||||||||||||
| 10 | BM1 | Bus mode: The interface bus mode is determined by BM[1:0]:
|
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| 11 | BM0 | |||||||||||||||||||||||||||||||||||||
| 12 | WR1 | WR[1:0] controls the read/write operation of the host interface. See section Host Interface for more detail. | ||||||||||||||||||||||||||||||||||||
| 13 | WR0 | |||||||||||||||||||||||||||||||||||||
| 14 | CD | Select Control data or Display data for read/write operation. ”L”: Control data ”H”: Display data / command |
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| 15 | CS1 | Chip Select. Chip is selected when CS1=”H” and CS0 = “L”. When the chip is not selected, DB[7:0] will be high impedance. | ||||||||||||||||||||||||||||||||||||
| 16 | CS0 | |||||||||||||||||||||||||||||||||||||
| 17 | RST | Hardware reset input pin | ||||||||||||||||||||||||||||||||||||
| 18 | D0 | Bi-directional bus for both serial and parallel host interfaces. In serial modes, connect DB[0] to SCK, DB[3] to SDAI for write and DB[5:4] to SDAO for read. SDAI and SDAO may be connected together if necessary.
Connect unused pins to VSS. |
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| 19 | D1 | |||||||||||||||||||||||||||||||||||||
| 20 | D2 | |||||||||||||||||||||||||||||||||||||
| 21 | D3 | |||||||||||||||||||||||||||||||||||||
| 22 | D4 | |||||||||||||||||||||||||||||||||||||
| 23 | D5 | |||||||||||||||||||||||||||||||||||||
| 24 | D6 | |||||||||||||||||||||||||||||||||||||
| 25 | D7 | |||||||||||||||||||||||||||||||||||||
| 26 | ESD | ESD | ||||||||||||||||||||||||||||||||||||
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