The W78E354 is a stand-alone high-performance microcontroller ASIC specially designed for use in monitor control applications. It integrates an embedded 8031 microcontroller core, 16K bytes of Flash memory, 512 bytes of RAM, and several dedicated hardware functions. The chip is used to control the interface signals of other devices in the monitor and process the video sync signals. With high integration and the use of Flash memory for program storage, the device offers the competitive advantages of low cost and reduced development time.
The W78E354 is a stand‑alone high‑performance microcontroller ASIC designed for monitor control. It integrates an 80C31 core, 16 KB Flash, 512 B RAM, a 6‑bit ADC, multiple PWM DACs, a sync processor, and a DDC port.
The document lists pin configurations for PLCC‑68, DIP‑48 and DIP‑40 packages, electrical characteristics, absolute maximum ratings, and typical application notes, enabling designers to implement the device in display systems.
| Core | 80C31 (8031) MCU core |
|---|---|
| Flash Memory | 16 KB |
| RAM | 512 B |
| ADC | 6‑bit A/D converter |
| PWM Static DACs | 2 × 12‑bit, 14 × 8‑bit |
| PWM Dynamic DACs | 1 × 12‑bit, 3 × 8‑bit |
| Operating Temperature | 0 °C – 70 °C |
It uses an embedded 80C31 (8031) microcontroller core.
The device provides 16 KB of Flash memory.
The maximum operating temperature is 70 °C.