8-BIT MICROCONTROLLER The **W78E516B-40DL** is a microcontroller manufactured by **WINBOND**. Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** WINBOND
- **Part Number:** W78E516B-40DL
- **Core:** 8051-compatible
- **Operating Frequency:** Up to 40 MHz
- **Program Memory (Flash):** 64 KB
- **Data Memory (RAM):** 1 KB
- **EEPROM:** 4 KB (optional)
- **Operating Voltage:** 4.5V to 5.5V
- **Package:** PLCC-44 (Plastic Leaded Chip Carrier)
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
- **Timers:** Three 16-bit timers
- **UART:** One full-duplex serial port
- **I/O Ports:** Four 8-bit bidirectional ports (P0, P1, P2, P3)
- **Interrupts:** Eight interrupt sources with two priority levels
- **Watchdog Timer:** Built-in
- **Power Saving Modes:** Idle and Power-down modes
### **Descriptions:**
- The **W78E516B-40DL** is an enhanced 8051-based microcontroller with **64 KB Flash memory** for program storage and **1 KB RAM** for data.
- It includes **4 KB of EEPROM** for non-volatile data storage.
- Supports **in-system programming (ISP)** for easy firmware updates.
- Features **three 16-bit timers**, a **UART**, and **eight interrupt sources**.
- Designed for **high-performance embedded applications** with a **40 MHz clock speed**.
### **Features:**
- **8051-compatible architecture** with enhanced performance.
- **64 KB Flash memory** for program storage.
- **1 KB on-chip RAM** for data.
- **4 KB EEPROM** for additional non-volatile storage.
- **40 MHz maximum operating frequency**.
- **Low-power idle and power-down modes**.
- **Built-in watchdog timer** for system reliability.
- **Four 8-bit I/O ports** for interfacing with peripherals.
- **PLCC-44 package** for compact PCB integration.
This information is strictly based on the manufacturer's datasheet and technical documentation.
