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UPD78F9221MC-5A4 from NEC

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UPD78F9221MC-5A4

Manufacturer: NEC

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

Partnumber Manufacturer Quantity Availability
UPD78F9221MC-5A4,UPD78F9221MC5A4 NEC 10185 In Stock

Description and Introduction

20-pin 8-bit single-chip microcontroller 78K0S/KA1+ The **UPD78F9221MC-5A4** is a microcontroller manufactured by **NEC** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** NEC (Renesas)  
- **Series:** 78K0/Kx2  
- **Core:** 78K0R 16-bit CPU  
- **Clock Speed:** 20 MHz  
- **Operating Voltage:** 2.7V to 5.5V  
- **Flash Memory:** 8 KB  
- **RAM:** 512 bytes  
- **Data Flash:** 1 KB (for data storage)  
- **Package:** 20-pin SSOP (Shrink Small Outline Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Features:**
- **Low Power Consumption:** Supports power-saving modes (HALT, STOP).  
- **On-Chip Peripherals:**  
  - 8-bit & 16-bit timers  
  - UART (Serial Interface)  
  - 10-bit ADC (Analog-to-Digital Converter)  
  - Watchdog timer  
  - On-chip oscillator  
- **High Noise Immunity:** Robust against electrical noise.  
- **Development Support:** Compatible with NEC’s development tools (e.g., PM+, IAR).  

### **Applications:**
- Consumer electronics  
- Industrial control systems  
- Home appliances  
- Sensor-based applications  

This microcontroller is designed for cost-sensitive, low-power embedded applications.

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