CM12832-1 is a graphic dot matrix liquid crystal display. It is mainly composed of row driver/column driver and 128 × 32 full dot matrix liquid crystal display. It can complete graphic display and also display 8×2 (16×16 dot matrix) Chinese characters.
The CM2832-1SLYA is a graphic dot‑matrix LCD module featuring a 128 × 32 pixel display that can show graphics and 8 × 16 Chinese characters. It operates from a +5 V supply and supports several display modes and backlight colors.
The manual describes the module’s physical dimensions, hardware architecture, external pin interface, command set, read/write timing, and includes an example of interfacing the module with an 8031 microcontroller. This manual is written in Chinese.
| Power supply voltage | +5 V (VDD) |
|---|---|
| Display resolution | 128 columns × 32 rows |
| CPU interface | 8‑bit data bus + 8 control lines |
| Duty cycle | 1/32 |
| Operating temperature range | -10 °C to +55 °C |
| Storage temperature range | -20 °C to +70 °C |
| Display modes | Yellow‑green, gray, blue, black‑white |
| Backlight colors | Yellow‑green, blue, white, red |
| Package type | QOB |
| Physical size | 110 × 65 × 14 mm |
It requires a +5 V supply on the VDD pin.
The display has 128 columns and 32 rows of pixels.
It uses an 8‑bit parallel data bus together with eight control lines.