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UPD78C18CW from NEC

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UPD78C18CW

Manufacturer: NEC

8-BIT SINGLE-CHIP MICROCONTROLLER WITH A/D CONVERTER

Partnumber Manufacturer Quantity Availability
UPD78C18CW NEC 120 In Stock

Description and Introduction

8-BIT SINGLE-CHIP MICROCONTROLLER WITH A/D CONVERTER The **NEC UPD78C18CW** is a microcontroller from NEC's (now Renesas Electronics) 78C series. Below are its specifications, descriptions, and features based on factual information:

### **Manufacturer:** NEC (Now Renesas Electronics)  
### **Part Number:** UPD78C18CW  

### **Key Specifications:**  
- **Architecture:** 8-bit  
- **CPU Core:** 78K/0 series (NEC 78K family)  
- **Clock Speed:** Up to **12 MHz**  
- **ROM (Program Memory):** **16 KB** Mask ROM  
- **RAM (Data Memory):** **512 bytes**  
- **I/O Ports:** **38 I/O pins** (varies by package)  
- **Timers:**  
  - 16-bit timer/counter  
  - Watchdog timer  
- **Serial Communication:**  
  - UART (Asynchronous serial interface)  
- **Interrupts:** Multiple interrupt sources  
- **Operating Voltage:** **4.5V to 5.5V**  
- **Package:** **PLCC (Plastic Leaded Chip Carrier), 68-pin**  

### **Features:**  
- High-performance **8-bit CMOS microcontroller**  
- **Low-power consumption** (CMOS technology)  
- **On-chip oscillator** (supports crystal/ceramic resonator)  
- **Power-saving modes** (HALT, STOP)  
- **Wide operating temperature range** (industrial-grade)  
- **Built-in reset circuit**  

### **Applications:**  
- Industrial control systems  
- Consumer electronics  
- Embedded control applications  

This information is based on NEC's official documentation for the **UPD78C18CW** microcontroller. For detailed datasheets, refer to Renesas Electronics (successor to NEC's microcontroller division).

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