8-BIT MTP MICROCONTROLLER The W78E51BF-24 is a microcontroller manufactured by NUVOTON. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** NUVOTON
- **Core:** 8051-compatible
- **Operating Voltage:** 4.5V to 5.5V
- **Clock Speed:** Up to 24 MHz
- **Flash Memory:** 4 KB (ISP-capable)
- **RAM:** 256 bytes
- **EEPROM:** 2 KB (for data storage)
- **I/O Ports:** 32 (4 ports: P0, P1, P2, P3)
- **Timers/Counters:** 3 (Timer 0, Timer 1, and Timer 2)
- **Serial Communication:** UART (Full-duplex)
- **Interrupts:** 6 interrupt sources with 2 priority levels
- **Watchdog Timer:** Yes
- **Power Saving Modes:** Idle and Power-down modes
- **Operating Temperature:** -40°C to +85°C
- **Package:** PDIP-40, PLCC-44
### **Descriptions:**
The W78E51BF-24 is an 8051-based microcontroller with enhanced features, including in-system programmable (ISP) Flash memory, an additional 2 KB EEPROM for data storage, and a watchdog timer for system reliability. It operates at a maximum frequency of 24 MHz and is designed for industrial and consumer applications requiring low power consumption and high performance.
### **Features:**
- **8051-Compatible Core** – Ensures compatibility with existing 8051 code.
- **In-System Programmable (ISP) Flash** – Allows firmware updates without removing the chip.
- **On-Chip EEPROM** – 2 KB for non-volatile data storage.
- **Enhanced Power Management** – Supports Idle and Power-down modes for reduced power consumption.
- **Watchdog Timer** – Improves system reliability by resetting the MCU in case of software failure.
- **Multiple Interrupt Sources** – Six interrupt sources with two priority levels for efficient event handling.
- **Full-Duplex UART** – Supports serial communication for data transfer.
- **Wide Operating Voltage Range** – 4.5V to 5.5V, suitable for various applications.
This information is strictly based on the manufacturer's datasheet and technical documentation.
