8-Bit Single-Chip Microcontrollers The **UPD78F0494** is a microcontroller manufactured by **NEC** (now part of **Renesas Electronics**). Below are the factual details from Ic-phoenix technical data files:
### **Manufacturer:**
- **NEC Electronics** (now part of **Renesas Electronics**)
### **Specifications:**
1. **Architecture:** 8-bit microcontroller
2. **Core:** 78K0/Kx2 series
3. **Operating Voltage:** 2.7V to 5.5V
4. **Clock Speed:** Up to **20 MHz**
5. **Flash Memory:** **32 KB**
6. **RAM:** **1 KB**
7. **Data Flash:** **1 KB** (for data storage)
8. **I/O Ports:** Multiple general-purpose I/O pins
9. **Timers:**
- 16-bit timers
- Watchdog timer
10. **Communication Interfaces:**
- **UART (Serial Interface)**
- **I²C**
- **SPI**
11. **ADC (Analog-to-Digital Converter):**
- 10-bit resolution
- Multiple channels
12. **Low Power Modes:** Supports power-saving modes
13. **Package Options:**
- **LQFP (Low-profile Quad Flat Package)**
- **PLCC (Plastic Leaded Chip Carrier)**
### **Descriptions and Features:**
- Designed for **embedded control applications**
- High-performance **8-bit CPU core** with efficient instruction set
- **On-chip debugging** support
- **Low power consumption** for battery-operated devices
- **Robust peripheral set** for industrial and consumer applications
- **Wide operating voltage range** (2.7V to 5.5V)
- **High noise immunity** for reliable operation in harsh environments
This microcontroller is commonly used in:
- **Home appliances**
- **Industrial control systems**
- **Automotive electronics**
- **Consumer electronics**
For detailed datasheets and application notes, refer to **Renesas Electronics' official documentation**.
*(Note: Specifications may vary slightly based on specific variants.)*
