8 BIT MICROCONTROLLER The **W78E58B-24** is a microcontroller manufactured by **Winbond**. Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Winbond
- **Core:** 8051-compatible
- **Operating Frequency:** Up to 24 MHz
- **Program Memory (Flash):** 32 KB
- **Data Memory (RAM):** 256 bytes (expandable externally)
- **EEPROM:** 1 KB (for data storage)
- **Timers:** Three 16-bit timers/counters
- **I/O Ports:** Four 8-bit bidirectional ports (P0, P1, P2, P3)
- **Serial Communication:** UART (full-duplex)
- **Interrupts:** 6 interrupt sources with 2 priority levels
- **Power Supply:** 4.5V to 5.5V
- **Operating Temperature:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
- **Package Options:** 40-pin DIP or 44-pin PLCC
### **Descriptions:**
- The **W78E58B-24** is an enhanced 8051-based microcontroller with built-in Flash memory and EEPROM.
- It supports in-system programming (ISP) for easy firmware updates.
- Includes watchdog timer and power-saving modes (idle and power-down).
### **Features:**
- **High-Speed Performance:** 24 MHz operation with 4-clock machine cycle.
- **On-Chip Flash:** 32 KB for program storage with 100,000 erase/write cycles.
- **EEPROM Data Storage:** 1 KB for non-volatile data retention.
- **Enhanced Security:** Lock bits for code protection.
- **Low EMI:** Reduced electromagnetic interference.
- **Wide Voltage Range:** Compatible with standard 5V systems.
This microcontroller is commonly used in industrial control, consumer electronics, and embedded systems.
