QPY-6255A Manuals

Beijing DTF Technology QPY-6255A LCD Control Board User Manual

The QPY-6255A LCD Control Board is designed around the MSM6255 LCD controller and offers a 64K‑byte display buffer, 4‑level grayscale, and a robust CPU interface with an 8‑bit data bus and five control lines. It supports various monochrome and STN color LCD modules up to 640×480 resolution and includes contrast adjustment and a compact 113×77 mm form factor.

The manual details the board’s hardware description, electrical characteristics, MPU and LCD module pin definitions, command set, and provides programming examples for both direct and indirect MCU control. Appendices list compatible LCD modules and service information. This manual is written in Chinese.

Covers: Hardware Description · Electrical Characteristics · MPU Interface (J1) Definition · LCD Module Interface (J2) Definition · Command Set · Application Examples