8 BIT MICROCONTROLLER The W77E58-25 is a microcontroller manufactured by Winbond. Below are the factual specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Winbond
- **Model:** W77E58-25
- **Core:** 8051-compatible
- **Clock Speed:** Up to 40 MHz
- **Operating Voltage:** 4.5V to 5.5V
- **Flash Memory:** 32 KB (reprogrammable)
- **RAM:** 1 KB internal, expandable externally
- **Timers:** Three 16-bit timers
- **Serial Ports:** Two UARTs (full-duplex)
- **Interrupts:** 12 interrupt sources with 4 priority levels
- **I/O Ports:** 32 programmable I/O lines
- **Watchdog Timer:** Built-in
- **Power Saving Modes:** Idle and Power-down modes
- **Package Options:** PDIP-40, PLCC-44
### **Descriptions:**
The W77E58-25 is an enhanced 8051-compatible microcontroller with improved performance and power efficiency. It features dual UARTs, a larger internal RAM, and faster execution compared to standard 8051 variants.
### **Features:**
- **High-Speed Performance:** 4-clock machine cycle (vs. 12-clock in standard 8051).
- **Dual Data Pointers:** Enhances data transfer efficiency.
- **On-Chip Flash Memory:** 32 KB for program storage.
- **Expanded RAM:** 1 KB internal + external expansion capability.
- **Multiple Communication Interfaces:** Two full-duplex UARTs.
- **Enhanced Power Management:** Supports low-power modes.
- **Robust Interrupt System:** 12 sources with 4 priority levels.
- **Wide Operating Voltage:** 4.5V to 5.5V.
This information is strictly based on the manufacturer's specifications.
