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UPD78F9222 from NEC

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UPD78F9222

Manufacturer: NEC

20-pin 8-bit single-chip microcontroller 78K0S/KA1+

Partnumber Manufacturer Quantity Availability
UPD78F9222 NEC 5800 In Stock

Description and Introduction

20-pin 8-bit single-chip microcontroller 78K0S/KA1+ The UPD78F9222 is a microcontroller manufactured by NEC (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Architecture:** 8-bit  
- **CPU Core:** 78K0/Kx2  
- **Operating Frequency:** Up to 10 MHz  
- **Program Memory (Flash):** 16 KB  
- **RAM:** 512 bytes  
- **Data Flash:** 1 KB (for data storage)  
- **I/O Ports:** Up to 26 pins  
- **Timers:**  
  - 16-bit timer (x1)  
  - 8-bit timer (x2)  
  - Watchdog timer  
- **Serial Interfaces:**  
  - UART (x1)  
  - I²C (x1)  
- **ADC:** 8-channel, 10-bit resolution  
- **Operating Voltage:** 2.7 V to 5.5 V  
- **Packages:**  
  - SOP20  
  - SSOP20  
  - DIP20  

### **Descriptions and Features:**  
- **Low Power Consumption:** Supports power-saving modes (HALT, STOP).  
- **On-Chip Debugging:** Supports debugging via N-Wire (single-wire debug interface).  
- **High Noise Immunity:** Designed for robust operation in noisy environments.  
- **Data Retention:** Flash memory retains data even in low-power modes.  
- **Industrial-Grade Reliability:** Suitable for industrial and consumer applications.  
- **Wide Operating Voltage Range:** Allows flexibility in power supply design.  

This microcontroller is commonly used in applications such as home appliances, industrial control systems, and sensor interfacing.  

(Note: For the latest details, refer to the official datasheet from Renesas Electronics.)

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