Model No. WO12864T1
►Monochrome Display
►Type: Graphic
►Structure: COG
►Size: 1.15"
►Display Format : 128x64 dots
►IC: ST7567S
►3V power supply
►1/65 duty cycle, 1/9 bias
►Interface : 6800/8080/SPI
WO12864T1 is a 1.15-inch 128x64 Chip on Glass (COG) monochrome graphic LCD module featuring the ST7567S controller IC. The module operates from a 3 V logic supply and is available with 6800 8-bit, 8080 8-bit parallel, or 4-line SPI interface options for embedded display applications.
The module measures 38.0 x 26.42 x 8.8 mm, with a 29.58 x 16.22 mm view area and a 25.58 x 14.06 mm active area. It features an LED backlight and operates with a 1/65 duty cycle and 1/9 bias drive scheme.
WO12864T1 is an alternative model to WO12864T, replacing the ST7565P controller IC with ST7567S while maintaining the same module dimensions, display format, interface options, and mechanical design.
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 128 × 64 | － |
| Module dimension | 38.0 × 26.42 × 8.8(MAX) | mm |
| View area | 29.58 × 16.22 | mm |
| Active area | 25.58 × 14.06 | mm |
| Dot size | 0.18 × 0.20 | mm |
| Dot pitch | 0.20 × 0.22 | mm |
| Duty | 1/65 DUTY;1/9 BIAS | |
| Backlight Type | LED | |
| IC | ST7567S | |
| Interface | 6800/8080/4-Line SPI | |
| 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 |
| Digital Power Supply Voltage | VDD-Vss | -0.3 | － | 4.0 | V |
| LCD Power supply voltage | V0-XV0 | -0.3 | － | 14.0 | V |
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 2.7 | 3.0 | 3.3 | V |
| Supply Voltage For LCD | VOP | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 8.9 － |
－ 9.1 － |
－ 9.3 － |
V V V |
| Input High Volt. | VIH | － | 0.7VDD | － | VDD | V |
| Input Low Volt. | VIL | － | VSS | － | 0.3VDD | V |
| Output High Volt. | VOH | － | 0.8VDD | － | VDD | V |
| Output Low Volt. | VOL | － | VDD | － | 0.2VDD | V |
| Supply Current | IDD | VDD=3.0V | － | － | 1.5 | mA |
| Pin No. | Symbol | Description | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | VDD | Power supply pin for logic. | ||||||||||||
| 2 | VSS | Ground pin, connected to 0V | ||||||||||||
| 3 | CSB | Chip select input pin. | ||||||||||||
| 4 | NC | NC | ||||||||||||
| 5 | RSTB | Hardware reset input pin | ||||||||||||
| 6 | A0 | It determines whether the access is related to data or command. |
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| 7 | RWR |
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| 8 | ERD |
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| 9~16 | D0~D7 | When using 8-bit parallel interface: (6800 or 8080 mode) 8-bit bi-directional data bus. Connect to the data bus of 8-bit microprocessor. When CSB is non-active (CSB=“H”), D[7:0] pins are high impedance |
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| When using serial interface: 4-line SPI D[0]=SCL: Serial clock input. D[1]=SDA_IN: Serial data input. D[2:3]=SDA_OUT: Serial data output. D[1:3] must be connected together as SDA. D[4:7]=(1,1,1,1): ID Pin. D[4:7] should fix to “H” or “L” by VDDH or VSSL. ID[0:3] can be read 4-bit ID only for serial interface from D[4:7]. |
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| 17 | C86 | C86 selects the microprocessor type in parallel interface mode.
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| 18 | PSB | PSB selects the interface type: Serial or Parallel. |
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