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UPD78F9221MC(R)-5A4- from NEC

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15.625ms

UPD78F9221MC(R)-5A4-

Manufacturer: NEC

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

Partnumber Manufacturer Quantity Availability
UPD78F9221MC(R)-5A4-,UPD78F9221MC(R)5A4 NEC 552 In Stock

Description and Introduction

20-pin 8-bit single-chip microcontroller 78K0S/KA1+ The UPD78F9221MC(R)-5A4 is a microcontroller manufactured by NEC (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from the available knowledge base:  

### **Manufacturer:** NEC (Renesas Electronics)  
### **Part Number:** UPD78F9221MC(R)-5A4  

### **Key Specifications:**  
- **Core:** 78K0R 16-bit microcontroller  
- **Operating Voltage:** 2.7V to 5.5V  
- **Clock Speed:** Up to 20 MHz  
- **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:**  
- **High-Speed On-Chip Oscillator:** Supports up to 20 MHz operation.  
- **Low Power Consumption:** Multiple power-saving modes (HALT, STOP).  
- **Peripherals:**  
  - 8-bit/16-bit timers  
  - Serial interfaces (UART, I²C, CSI)  
  - 10-bit A/D converter (8 channels)  
  - Watchdog timer  
  - On-chip debug function  
- **Robust I/O Ports:** Multiple general-purpose I/O pins.  
- **Reliability Features:** Built-in reset circuit, low-voltage detection (LVI).  

### **Applications:**  
- Consumer electronics  
- Industrial control systems  
- Home appliances  
- Automotive (non-safety critical)  

This microcontroller is designed for cost-sensitive, low-power embedded applications requiring moderate processing performance.  

(Note: The "R" in the part number may indicate a tape-and-reel packaging option.)

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