This document provides application notes for the DD-12864WE-1A OLED display module from DENSITRON TECHNOLOGIES plc. The document includes EVK schematic, symbol definitions, timing characteristics, connection between OLED and EVK, and instructions on how to use the DD-12864WE-1A.
This application note provides detailed information for the Densitron DD-12864WE-1A OLED display module and its evaluation (EVK) board. It includes an EVK schematic, symbol definitions for all pins, timing characteristics of the 8080‑series parallel interface, and wiring diagrams showing how to connect the display to a host MCU.
The document also supplies recommended initial firmware code, showing how to configure the display controller, set contrast, multiplex ratio, and write data to the screen. Pin functions, voltage supplies, and internal DC‑DC converters are described to aid hardware designers in integrating the module into their systems.
| HV pin | most positive voltage supply pin |
|---|---|
| LV pin | power supply for logic operation |
| DC IN | internal DC‑DC converter low‑voltage input Vpp2 |
| DC OUT | internal DC‑DC converter generating HV from Vpp2 |
| System cycle time | 300 ns |
| Data setup time | 40 ns |
| Data hold time | 15 ns |
Pins DO0‑DO7 constitute an 8‑bit bi‑directional data bus that connects to the MCU’s data bus.
The RES pin is the reset signal input; pulling it low initiates chip initialization.