The GM25664C-31-O3CW is a 3.1-inch passive matrix OLED display module featuring a 256x64 pixel resolution. This monochrome (white) display utilizes the SSD1322 driver IC and supports multiple communication protocols, including 8-bit 68XX/80XX parallel and 3-/4-wire SPI interfaces. Key features include a 1/64 drive duty, a wide viewing angle, and a typical brightness of 80 cd/m². With an extended operating temperature range from -40°C to 85°C, this display is well-suited for industrial equipment, instrumentation, and other applications requiring high contrast and robust performance in harsh environments.