GJ320240A is a graphic dot matrix LCD module that uses S1D13305 as the controller and is compatible with RaiO 8835. It can adapt to two types of operation timing circuits for 80 series and 68 series MPU. It has powerful drawing capabilities and supports text display, graphic display, and mixed text and graphics display. The module has dimensions of 160L×109W×12H mm, a dot matrix of 320×240 dots, a dot pitch of 0.36×0.36 mm, and a dot size of 0.33×0.33 mm.
This manual describes the GJ320240A graphics LCD module, which uses the S1D13303 controller and supports both text and graphic display modes. It outlines the module's dimensions, electrical characteristics, and interface pin assignments.
The document includes wiring diagrams, timing information, RAM organization, character generator details, and programming examples for controlling the display, as well as troubleshooting notes for common visual artifacts. This manual is written in Chinese.
| Display resolution | 320 x 240 dots |
|---|---|
| Operating voltage | 3.0 V ±10% |
| Vop (LCD drive voltage) | 30 V max |
| Typical power consumption | <120 mA (excluding backlight) |
| Module dimensions | 160 mm x 109 mm x 12 mm |
| Pixel pitch | 0.36 mm x 0.36 mm |
| Built‑in character size | 5 x 7 dots (160 characters) |
| Custom character RAM | 256 characters per CGRAM block |
The module operates at 3.0 V with a tolerance of ±10 %.
It supports a resolution of 320 × 240 dots.
The maximum Vop is 30 V.
Each CGRAM block can store up to 256 characters.