Overview: The document provides technical specifications and details for the Full Graphics Type LCD Module LM12864L series. It includes information on terminal functions,
display characteristics, mechanical data, electrical characteristics, and backlight characteristics.
Terminal Functions: The module has 20 pins with specific functions:
- VSS: Ground power supply.
- VDD: Positive power supply.
- V0: LCD contrast reference supply.
- RS: Register select for data transfer.
- R/W: Read/Write mode selection.
- E: Enable signal for data transfer.
- DB0-DB7: 8-bit data bus for display or instruction data.
- CS1/CS2: Chip selection for accessing different sides of the LCD.
- /RST: Reset signal for the module.
- VOUT: Power booster output for V0.
- BLA/BLK: Power supply for LED backlight.
Display Characteristics: The module features an STN-Gray, positive, transflective display mode with a viewing angle of 6:00. It uses a 1/64 duty and 1/9 bias driving method and includes a white LED backlight.
Mechanical Data: The module's dimensions are 93.0 x 70.0 x 13.8 mm, with a viewing area of 71.7 x 39.0 mm and an active area of 66.525 x 33.245 mm. The dot pitch is 0.52 x 0.52 mm, and the dot size is 0.485 x 0.485 mm.
Absolute Maximum Ratings: The operating voltage ranges from 0 to 7.0 V, with an operating temperature between -20°C and +70°C, and a storage temperature between -30°C and +80°C.
Electrical Characteristics: The operating voltage is typically 5.0 V, with an input high voltage of 3.5 V to VDD and an input low voltage of 0 to 0.4 V. The operating current ranges from 6.5 mA to 15.0 mA.
Backlight Characteristics: The forward voltage is typically 4.9 V, with a forward current ranging from 80 mA to 120 mA.
Block Diagram: The document includes a block diagram illustrating the LCD panel, LED backlight circuit, and power booster circuit, with components like S6B0108 or equivalent.
Model Variants: The LM12864L series includes several models with different LCD modes and backlight options, such as LM12864LBY, LM12864LCC, LM12864LDW, LM12864LDY, and LM12864LFW.