SMC1604A is a standard character dot matrix LCD display module that can display 16 characters in 4 rows of Western characters. It adopts LCD technology and features an HD44780 interface LCD display controller, which can be directly connected to MCU microcontrollers. It is widely used in various instruments, meters, and electronic devices.
This manual describes the SMC1604A liquid‑crystal display module, a 16‑character, multi‑line STN LCD with a character size of 2.95 × 4.75 mm. It includes the module’s electrical characteristics, backlight options, and mechanical dimensions.
The document details the HD44780‑compatible controller interface, pin assignments, basic operation sequences, RAM mapping, initialization commands, data handling, and timing diagrams. It also gives guidance on backlight current limits and external resistor selection. This manual is written in Chinese.
| Display type | STN |
|---|---|
| Character size | 2.95 mm × 4.75 mm |
| Operating temperature (normal) | 0 °C to +50 °C |
| Storage temperature | -20 °C to +70 °C |
The module operates from 0 °C to +50 °C and can be stored from –20 °C to +70 °C.