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LM3123 Series

LM3123 Series

Product catalog summary

Outline Drawing: The document provides a detailed outline drawing of the LM3123 series LCD module, including dimensions and layout.

Terminal Functions: The module has 20 pins with specific functions:

Pin 1 (VSS): Ground power supply.
Pin 2 (VDD): Positive power supply.
Pin 3 (V0): LCD contrast reference.
Pin 4 (VOUT): Power booster output for V0.
Pin 5 (/RES): Reset signal, with specific conditions for resetting and normal operation.
Pins 6-13 (DB7-DB0): 8-bit data bus for display or instruction data.
Pin 14 (R/W): Read/Write control signal.
Pin 15 (A0): Determines data type (display RAM or instruction).
Pins 16-18 (E1, E2, E3): Enable access to different sections of the LCD module.
Pins 19-20 (BLA, BLK): LED backlight power supply.

Display Characteristics: The LCD module features:

STN-YG, positive, transflective display mode.
Viewing angle at 6:00.
1/32 duty, 1/5 bias driving method.
Green LED backlight.

Mechanical Data: The module's dimensions are:

Outline: 99.7 x 31.5 x 10.7 mm (max).
Viewing area: 72.8 x 16.0 mm.
Active area: 63.95 x 11.15 mm.
Dot pitch: 0.40 x 0.35 mm.
Dot size: 0.35 x 0.30 mm.

Absolute Maximum Ratings: The module can operate within:

Operating voltage: 0 to 7.0 V.
Operating temperature: 0 to +50°C.
Storage temperature: -10 to +60°C.

Electrical Characteristics: The typical operating voltage is 5.0 V, with a current range of 1.2 to 4.5 mA.

Backlight Characteristics: The backlight operates at a forward voltage of 5.0 V and a current range of 51 to 75 mA.

Block Diagram: The document includes a block diagram illustrating the power and backlight circuits, and the LCD panel configuration.

Model Variants: The LM3123 series includes models with different backlight options, such as the LM3123-1 with a green LED backlight.

Catalog excerpts

Full Graphics Type LCD Module LM3123 series OUTLINE DRAWING Full Graphics Type LCD Module LM3123 series ELECTRICAL CHARACTERISTICS BACKLIGHT CHARACTERISTICS

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LM3123 Series

LM3123 Series

Catalog excerpts

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