SPLC780D is a controller/driver product produced by Sunplus Technology Co., Ltd. This product can be used for 8-bit operation and 8-digit 1-line display (using internal reset), 4-bit operation and 8-digit 1-line display (using internal reset), 8-bit operation and 8-digit 2-line display (using internal reset)
The SPLC780D is a dot‑matrix LCD controller and driver that can display alphanumeric, Japanese‑Kana characters and symbols on up to two 8‑character lines. It offers both 4‑bit and 8‑bit MPU interfaces, with an internal oscillator and low‑power CMOS technology.
The manual details the chip’s block diagram, signal descriptions, functional operation, instruction set, electrical characteristics, package information and application circuits, along with ordering data and revision history.
| Character generator ROM size | 10880 bits |
|---|---|
| ROM 5x8 font characters | 192 characters |
| ROM 5x10 font characters | 64 characters |
| Character generator RAM size | 512 bits |
| RAM 5x8 font characters | 8 characters |
| RAM 5x10 font characters | 4 characters |
| MPU interface width | 4‑bit or 8‑bit |
| LCD driver configuration | 16 COMs × 40 SEGs |
| Package form | 80‑QFP or bare chip |
It supports both 4‑bit and 8‑bit MPU interfaces.
The device is available in an 80‑QFP package or as a bare chip.
The ROM holds 10880 bits, providing 192 characters in a 5×8 font and 64 characters in a 5×10 font.
Yes, it can display up to two 8‑character lines, or a single line depending on the configuration.