CM12232-7SLYA is a graphic dot matrix liquid crystal display module produced by Ruitong Technology Co., Ltd. Its main technical parameters and performance include power supply, STN direct reflection mode, display mode, display angle, drive mode, working temperature, backlight characteristics, module packaging, and power consumption.
This manual describes the CM12232-7SLYA graphics LCD module produced by Riverstone Technology. It lists basic features, mechanical dimensions, electrical parameters, timing characteristics and the pinout for the 16‑pin package. The document also includes the command set used to control the display and examples of interfacing with an 8031 microcontroller.
Detailed tables give power supply ranges, voltage levels, current consumption, pixel resolution (122 × 32 dots) and backlight options. Instructions for resetting the display, enabling power‑save mode, and programming the display RAM are provided, along with sample code snippets. This manual is written in Chinese.
| Power supply voltage (VDD) | 0‑+7.0 V |
|---|---|
| LCD driving voltage (VLCD) | 0‑+12.0 V |
| Operating temperature range | -10 °C to +55 °C |
| Pixel resolution | 122 × 32 dots |
| Dot size | 0.36 mm × 0.41 mm |
| Backlight type | LEP backlight (yellow‑green, orange, white, etc.) |
| Stand‑by current (IDDQ) | 0.05‑10 µA |
| Power supply current (IDD) | 240 µA |
| Input high voltage (VIH) | 0.8 VDD |
| Output high voltage (VOH) | 0.5 VDD |
| Output low voltage (VOL) | 0.1 VDD |
Pin 1 (VD) supplies +5 V to the module.
The module has a resolution of 122 × 32 dots.