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UPD78P218ACW from NEC

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UPD78P218ACW

Manufacturer: NEC

8-bit single-chip microcomputer

Partnumber Manufacturer Quantity Availability
UPD78P218ACW NEC 8 In Stock

Description and Introduction

8-bit single-chip microcomputer The **NEC UPD78P218ACW** is an 8-bit microcontroller from NEC's 78K/0 series. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Architecture:** 8-bit  
- **CPU Core:** 78K/0  
- **Clock Speed:** Up to **10 MHz**  
- **Program Memory (ROM):** **16 KB** (Mask ROM)  
- **RAM:** **512 bytes**  
- **Operating Voltage:** **4.5V to 5.5V**  
- **I/O Pins:** **38 pins** (varies by package)  
- **Timers:**  
  - 16-bit timer/counter  
  - Watchdog timer  
- **Serial Interface:** UART (Asynchronous Serial Interface)  
- **A/D Converter:** **8-bit, 8-channel**  
- **Interrupts:** Multiple internal/external interrupt sources  
- **Package:** **PLCC (Plastic Leaded Chip Carrier), 44-pin**  

### **Descriptions:**
- Designed for embedded control applications.  
- Optimized for low-power and high-performance operations.  
- Includes on-chip peripherals such as timers, UART, and A/D converter.  
- Suitable for industrial, consumer, and automotive applications.  

### **Features:**
- **Low Power Consumption:** Supports power-saving modes.  
- **High-Speed Processing:** Efficient instruction set for real-time control.  
- **On-Chip Peripherals:** Reduces external component requirements.  
- **Robust I/O:** Multiple I/O ports for interfacing with external devices.  
- **Reliable Operation:** Wide operating voltage range.  

This microcontroller is now considered **obsolete** by NEC (Renesas Electronics). For replacements, refer to Renesas' newer 78K0 series MCUs.  

Would you like additional details on pin configurations or application notes?

Application Scenarios & Design Considerations

8-bit single-chip microcomputer

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