The SMG16032D liquid crystal display module is a standard Chinese character and graphics dot matrix liquid crystal display module (LCM), using a dot matrix liquid crystal display (LCD), can display 160X32 dots or 10 X2 lines of Chinese characters, the dot size is 0.55X0.56 (WXH) mm, an ST7920 interface liquid crystal display controller is built in, and a GB2312 code simplified Chinese character library (16X16 dot matrix) is included. It can be directly connected to MCU single-chip microcomputers and has 8-bit parallel and serial connection methods. It is widely used in various instruments and electronic equipment.
About this manual
This manual describes the SMG16032D dot‑matrix LCD module produced by Sunman Electronics. It covers the module’s physical dimensions, electrical characteristics, and supported interface modes (parallel and serial). Detailed connection diagrams for 8051‑series microcontrollers are included, along with default factory settings.
The document also lists all command codes, timing diagrams, and procedures for controlling the display, such as clearing the screen, setting cursor position, and using graphic RAM. Technical parameters like display capacity, dot size, operating voltage, temperature ranges, and current consumption are provided for designers and technicians. This manual is written in Chinese.
What's inside
- Module Overview
- Interface Signal Description
- Physical Dimensions
- Technical Parameters
- Connection Reference
- Command Tables
- Display Control Steps
- Graphic RAM Operation
- Character RAM Operation
Specifications
| Display capacity | 160×32 dot matrix |
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| Operating voltage | 4.8 ~ 5.2 V |
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| Operating temperature | 0 ~ 50 °C |
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| Storage temperature | -10 ~ 60 °C |
Frequently asked questions
What is the default interface mode of the module?
The factory default mode is parallel interface; the Pse pin is left floating.
How can I switch the module to serial mode?
Remove the shorting resistor on pin Pse and connect Pse to ground.
Which command clears the display?
Send the clear‑display command code 0x01 (om).
What are the display dimensions of the SMG16032D?
The display has a 160 × 32 dot matrix with a dot size of 0.55 × 0.56 mm.
What voltage does the module operate at?
It operates from 4.8 V to 5.2 V.