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UPD78C11AGQ from NEC

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UPD78C11AGQ

Manufacturer: NEC

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

Partnumber Manufacturer Quantity Availability
UPD78C11AGQ NEC 1500 In Stock

Description and Introduction

8-BIT SINGLE-CHIP MICROCOMPUTER WITH A/D CONVERTER The UPD78C11AGQ is a microcontroller manufactured by NEC (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** NEC (Renesas Electronics)  
- **Series:** 78K/0 Series  
- **Core:** 8-bit  
- **Architecture:** CMOS  
- **Clock Speed:** Up to 12 MHz  
- **Program Memory (ROM):** 8 KB (Mask ROM)  
- **RAM:** 256 bytes  
- **I/O Ports:** 32 (4 ports x 8 bits)  
- **Timers:**  
  - 16-bit timer/counter  
  - Watchdog timer  
- **Interrupts:** Multiple interrupt sources  
- **Serial Interface:** UART (Asynchronous)  
- **Operating Voltage:** 4.5V to 5.5V  
- **Package:** 44-pin QFP (Quad Flat Package)  

### **Descriptions:**
The UPD78C11AGQ is an 8-bit microcontroller based on the NEC 78K/0 architecture. It is designed for embedded control applications, offering a balance of performance, power efficiency, and integration. The mask ROM version (78C11) is suited for high-volume production where firmware is fixed.

### **Features:**
- **High-Speed Operation:** Up to 12 MHz clock frequency.  
- **Low Power Consumption:** CMOS technology for efficient power usage.  
- **On-Chip Peripherals:** Includes UART, timers, and multiple I/O ports.  
- **Reliable Interrupt Handling:** Supports nested interrupts for real-time applications.  
- **Compact Package:** 44-pin QFP for space-constrained designs.  
- **Wide Operating Voltage Range:** Compatible with standard 5V systems.  

This microcontroller is commonly used in industrial control, consumer electronics, and automation systems.

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