8 BIT MICROCONTROLLER The W77C32F-25 is a microcontroller manufactured by Winbond. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Winbond
- **Core:** 8051-compatible
- **Operating Frequency:** Up to 25 MHz
- **Instruction Cycle Time:** 4 clocks per cycle (faster than standard 8051)
- **On-Chip Flash Memory:** 32 KB
- **On-Chip RAM:** 1 KB
- **Additional Data RAM:** 256 bytes
- **Timers:** Three 16-bit timers (Timer 0, Timer 1, and Timer 2)
- **UART:** One full-duplex serial port
- **I/O Ports:** Four 8-bit ports (P0, P1, P2, P3)
- **Interrupts:** 12 interrupt sources with 4 priority levels
- **Watchdog Timer:** Yes
- **Power Supply Voltage:** 4.5V to 5.5V
- **Operating Temperature Range:** Commercial (0°C to 70°C) or Industrial (-40°C to 85°C)
- **Package Options:** PDIP-40, PLCC-44
### **Descriptions:**
- The W77C32F-25 is an enhanced 8051-compatible microcontroller with improved performance due to its 4-clock-per-cycle architecture.
- It includes built-in Flash memory for program storage and SRAM for data storage.
- Designed for applications requiring high-speed processing and low power consumption.
### **Features:**
- **High-Speed Operation:** Executes instructions faster than standard 8051 microcontrollers.
- **Dual Data Pointers (DPTRs):** Enhances data movement efficiency.
- **Power-Saving Modes:** Includes idle and power-down modes for reduced power consumption.
- **In-System Programming (ISP):** Allows firmware updates without removing the chip.
- **Enhanced EMI Performance:** Improved noise immunity.
- **Built-in Watchdog Timer:** Ensures system reliability.
This information is based solely on the manufacturer's provided data.
