This document introduces the product characteristics, precautions, hardware composition, instruction set and application of the SED1335 controller graphical liquid crystal display module.
This manual introduces the SED1335 graphics LCD controller, covering its hardware composition, pin assignments, and functional blocks. It includes detailed instructions for assembly, wiring, and precautions to ensure reliable operation.
The document also presents the full instruction set, example application programs, and maintenance procedures such as static‑discharge protection, temperature compensation, and storage recommendations. This manual is written in Chinese.
| Maximum display resolution | 640 × 256 dots |
|---|---|
| Operating frequency range | 1 MHz – 10 MHz |
| Recommended negative supply voltage | -20 V (approx.) |
| Core supply voltage (Vdd) | 4.5 V – 5.5 V |
| Recommended storage temperature | -10 °C to +35 °C |
The controller requires a negative supply of about –20 V.
Keep the module and the operator grounded, avoid touching leads, and maintain workshop humidity above RH 60 % to reduce static buildup.
It can drive a display of up to 640 × 256 dots.