HanSheng HS12864-15 graphic LCD module manual with hardware specs, interface details, contrast adjustment and safety guidelines.
This manual describes the hardware and software features of the HanSheng HS12864-15 series graphic LCD module, including its ST7920 controller, character and graphics capabilities, and electrical characteristics. It also provides wiring diagrams, contrast adjustment methods, backlight polarity options, and a detailed pin‑out description.
The document includes practical usage notes such as static‑discharge protection, mounting recommendations, and warranty information to help developers integrate the module safely and reliably into their designs. This manual is written in Chinese.
| Interface options | 8‑bit, 4‑bit parallel and serial |
|---|---|
| Character RAM | 64×16 bits (16 characters × 4 lines) |
| Chinese character ROM | 2 M bits, 8192 characters (16×16 dots) |
| Half‑width font ROM | 16 K bits, 126 characters (16×8 dots) |
| Input high level (VIH) | 0.7 Vdd ~ Vdd |
| Yellow/green backlight current | 360 mA max |
The PSB pin selects the communication mode: pulling PSB high selects parallel interface, pulling it low selects serial interface.