The CM12864-18SLYB is a graphic dot matrix liquid crystal display produced by Ruitong Technology Co., Ltd. It mainly consists of row drivers/column drivers and 128×64 full dot matrix liquid crystal displays. It can complete graphic display and also display 8×4 (16×16 dot matrix) Chinese characters.
The CML2864-18SLYB is a graphic dot‑matrix LCD module with a 128 × 64 dot display, built‑in negative‑voltage driver and selectable backlight colors. It operates from a +5 V supply and works in temperatures from –10 °C to +55 °C.
The manual describes the module’s mechanical dimensions, hardware block diagram, pin‑out, command set, timing parameters and includes an example interface to an 8031 microcontroller. This manual is written in Chinese.
| Resolution | 128 × 64 dots |
|---|---|
| Supply Voltage | +5 V (VDD) |
| Operating Temperature | -10 °C to +55 °C |
| Module Size | 75 × 52.7 × 12 mm |
| Pixel Pitch | 0.03 × 0.03 mm |
| Pixel Size | 0.4 × 0.4 mm |
| Duty Cycle | 1/64 |
| Backlight Colors | Yellow‑green, blue, cyan, red |
The module is powered from a +5 V supply (VDD).
It provides a 128 × 64 dot matrix (128 columns by 64 rows).
The module can use yellow‑green, blue, cyan and red backlights.
Pin 1 (VDD) supplies +5 V, Pin 2 (VSS) is ground, and Pin 3 (VO) provides the –10 V LCD driver voltage.