CM12832-3 is a graphic dot matrix LCD display, which is mainly composed of a row driver / column driver and 128 × 32 full-dot matrix LCD display. It can complete graphic display and also display 8 × 2 (16 × 16 dot matrix) Chinese characters.
This manual describes the Riverstone CM2832-3SLYA graphics LCD module, a 128 × 32 dot matrix display that can show graphics and up to 82 Chinese characters. It includes the module’s physical dimensions, hardware block diagram, command set, external interface and timing diagrams.
The document also provides an example of interfacing the module with an 8031 microcontroller, along with detailed specifications such as power supply, backlight options and operating temperature. This manual is written in Chinese.
| Power supply (VDD) | 45 V |
|---|---|
| Resolution | 128 columns × 32 rows |
| Duty cycle | 1/32 |
| Operating temperature | -10 °C to 45 °C |
| CPU interface | 8‑bit data bus + 8 control lines |
| Module size | 110 mm × 65 mm × 14 mm |
| Viewing area | 76 mm × 25.2 mm |
The module requires a VDD of 45 V.
It has 128 columns and 32 rows of dots.