This document is about the product specification of PCF2105 LCD controller/driver. It describes the features, applications, general description, ordering information, pinning, functional description, instructions, and other details of the product.
The PCF2105 is a single-chip Liquid Crystal Display (LCD) controller and driver designed for low power consumption. It supports displays of up to 24 characters per line or 12 characters per line across 1 to 4 lines, utilizing a 5x7 character format. The device features on-chip generation of intermediate LCD bias voltages and an on-chip oscillator, minimizing the need for external components.
| Display lines | 1 or 2 lines, or 2 or 4 lines |
|---|---|
| Character format | 5x7 plus cursor; 5 x 8 for kana |
| Display data RAM | 80 characters |
| Character generator ROM | 240 characters |
| Character generator RAM | 16 characters |
| Column driver outputs | 60 |
| MUX rates | 1:32 and 1:16 |
No, the on-chip oscillator requires no external components, though an external clock is also possible.
The device supports 1 or 2 lines of up to 24 characters, or 2 or 4 lines of up to 12 characters.