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UPD7811CW from NEC

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UPD7811CW

Manufacturer: NEC

8 BIT SINGLE CHIP NMOS MICROCOMPUTERS WITH A/D CONVERTER

Partnumber Manufacturer Quantity Availability
UPD7811CW NEC 379 In Stock

Description and Introduction

8 BIT SINGLE CHIP NMOS MICROCOMPUTERS WITH A/D CONVERTER The UPD7811CW is a microcontroller manufactured by NEC (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** NEC (Nippon Electric Company)  
- **Series:** μPD7811  
- **Architecture:** 8-bit microcontroller  
- **CPU Core:** 78K/0 series (based on 78K architecture)  
- **Clock Speed:** Up to 12 MHz  
- **ROM (Program Memory):** 8 KB mask ROM  
- **RAM (Data Memory):** 256 bytes  
- **I/O Ports:** Multiple programmable I/O lines  
- **Timers:** Includes 8-bit and 16-bit timers  
- **Serial Interface:** Built-in serial communication interface (UART)  
- **ADC (Analog-to-Digital Converter):** Not included (digital-only MCU)  
- **Operating Voltage:** Typically 5V  
- **Package:** Ceramic DIP (Dual In-line Package)  

### **Descriptions:**
- The UPD7811CW is an 8-bit microcontroller designed for embedded control applications.  
- It belongs to NEC’s 78K/0 series, optimized for cost-sensitive and performance-efficient designs.  
- The microcontroller includes on-chip ROM and RAM, reducing the need for external memory in basic applications.  
- It features a flexible I/O structure, timers, and serial communication capabilities.  

### **Features:**
- **High-Speed Processing:** 12 MHz operation for efficient performance.  
- **On-Chip Memory:** 8 KB ROM and 256 bytes RAM.  
- **Versatile I/O:** Multiple configurable input/output ports.  
- **Timer Functions:** Includes 8-bit and 16-bit timers for timing and event control.  
- **Serial Communication:** Built-in UART for serial data transfer.  
- **Low Power Consumption:** Designed for power-efficient operation.  
- **Wide Operating Temperature Range:** Suitable for industrial applications.  

This information is based on NEC's original documentation for the UPD7811CW microcontroller.

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