Key facts
- Manuals
- 2
- Models
- 1
- Languages
- ZH
- Last added
- 2011-12-22
Qingyun models by category
Featured Qingyun manuals

Qingyun LCM12864H Graphics LCD Module User Manual
This manual describes the Qingyun LCM12864H graphics lattice LCD module. It includes physical specifications such as display mode, dimensions, and viewing angle, as well as the pin‑out diagram and connection details.
The document also covers electrical limits, typical operating currents, and step‑by‑step operating principles, command sets, and initialization procedures for the module. This manual is written in Chinese.
Covers: Physical Data · Interface Pin Connections · Absolute Maximum Ratings · Electrical Characteristics · Function Description · Display Data RAM Address Map

Qingyun LCM128643 LCD Module User Manual
This manual describes the Qingyun LCM128643 graphic LCD module, a 128×64 dot‑matrix display that supports STN yellow‑green, blue‑film and FSTN modes. It details the physical dimensions, electrical characteristics, backlight options, and the 8‑bit parallel interface.
The document includes pin definitions, timing diagrams for read/write operations, application circuit examples, and handling precautions to ensure reliable operation in temperatures from –20 °C to 70 °C. This manual is written in Chinese.
Covers: Physical Characteristics · Dimensions · Electrical Parameters · Photoelectric Parameters · LED Backlight Parameters · External Interface
Latest Qingyun manuals
Qingyun LCM12864H Graphics LCD Module User Manual
User Manual 9 pages · 372 KB · ZHThe Qingyun LCM12864H graphics LCD module manual provides physical data, pin connections, electrical characteristics, and operation instructions.
Qingyun LCM128643 LCD Module User Manual
User Manual 14 pages · 365 KB · ZHThe Qingyun LCM128643 LCD module manual provides specifications, wiring, and usage instructions for the 128×64 graphic display.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Qingyun manuals
What is the supply voltage range for the LCM12864H module?
The module operates with a logic supply voltage (VDD) between 2.4 V and 3.5 V.
How many pins does the LCM12864H have and what are their functions?
The module has nine pins: CSB (chip select, active low), RESB (reset, active low), D/C (data/command selector), SCK (serial clock), SDA (serial data), VCC (3.0 V power), GND (ground), LED‑ (backlight negative), and LED+ (backlight positive, 3.0 V, 15 mA).
What is the operating voltage of the LCM128643 module?
The module operates at 5 V typical, with a permissible range of 4.5 V to 5.5 V.
What temperature range is recommended for operation?
The module can operate from –20 °C to 70 °C and be stored from –30 °C to 80 °C.
