Chip-on-Glass LCD Module 128x64 with ST7567S IC
Model No. WO12864P
►COG LCD 128x64
►Graphic LCD
►IC: ST7567S
►3V power supply
►1/65 duty cycle
►Interface : 6800/8080/SPI
Description
WO12864P is a monochrome COG LCD display, made of resolution 128x64 dot matrix. This model is built-in with ST7567S IC, it supports It supports 6800 8-bit, 8080 8-bit parallel and 4-line SPI interface, 1/9 Bias, driving duty 1/65. This LCD module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃. WO12864P module is the alternative model for WO12864C2 corresponding IC shortage or longer lead-time.
DRAWING
Data source ref: WO12864P-TFH#
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | NC | No connection |
| 2 | NC | No connection |
| 3 | PSB | Interface selection |
| 4 | C86 | C86 selects the microprocessor type in parallel interface mode |
| 5~9 | NC | No connection |
| 10 | VG | VG is the LCD driving voltage for segment circuits. |
| 11 | NC | No connection |
| 12 | NC | No connection |
| 13 | XV0 | XV0 is the LCD driving voltage for common circuits at positive frame. |
| 14 | V0 | V0 is the LCD driving voltage for common circuits at negative frame |
| 15~19 | NC | No connection |
| 20 | VSS | Ground |
| 21 | VDD | Power supply |
| 22~29 | D7~D0 | 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. |
| 30 | ERD |  |
| 31 | RWR |  |
| 32 | A0 | It determines whether the access is related to data or command |
| 33 | RSTB | Hardware reset input pin |
| 34 | CSB | Chip select input pin. |
General Specification
| Item | Dimension | Unit |
|---|---|---|
| Number of Dots | 128 x 64 dots | － |
| Module dimension | 55.2 x 39.8 x 6.0 | mm |
| View area | 45.2 x 27.0 | mm |
| Active area | 40.92 x 24.28 | mm |
| Dot size | 0.28 x 0.34 | mm |
| Dot pitch | 0.32 x 0.38 | mm |
| Duty | 1/65 , 1/9 Bias | |
| Backlight Type | LED | |
| IC | ST7567S | |
| Interface | 6800/8080/4-Line SPI | |
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 |
| Digital Power Supply Voltage | VDD-Vss | -0.3 | － | 4.0 | V |
| LCD Power supply voltage | V0-XV0 | -0.3 | － | 14.0 | V |
Electrical Characteristics
| 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℃ |
－ 9.4 － |
－ 9.6 － |
－ 9.8 － |
V V V |
| Input High Volt. | VIH | － | 0.7 VDD | － | VDD | V |
| Input Low Volt. | VIL | － | Vss | － | 0.3VDD | V |
| Output High Volt. | VOH | － | 0.8 VDD | － | VDD | V |
| Output Low Volt. | VOL | － | Vss | － | 0.2 VDD | V |
| Supply Current | IDD | VDD=3.0V | － | － | 1.5 | mA |
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