This document introduces the JD12232D2 graphics dot matrix liquid crystal display module user manual of Jing Dong Electronics, mainly introduces the basic characteristics, working parameters, electrical characteristics, interface description and instruction description of the module.
This manual describes the JD12232D2 graphics lattice LCD module, including its basic features, electrical characteristics, and interface definitions. It also lists the command set used to control the display and provides timing diagrams for both 68‑series and 80‑series MPU interfaces.
Application examples show how to connect the module to an 8031 microcontroller and include sample assembly code for initializing the display, writing data, and controlling the backlight. This manual is written in Chinese.
| Common and segment outputs | 16 common, 61 segment |
|---|---|
| Display RAM | 2560‑bit DDRAM (80 × 8 × 4) |
| Input high level (VIH) | ≥ 2.0 V |
| Output low level (VOL) | ≤ 0.4 V |
| Duty cycle | 1/32 duty, 176 bias |
| Backlight power (LED+) | +5 V DC |
| Backlight ground (LED-) | 0 V |
It provides 16 common lines and 61 segment outputs.