OTP version 4-bit single-chip microcontroller The part **UPD17P103CX** is a **microcontroller (MCU)** manufactured by **NEC (now Renesas Electronics)**. Below are the key specifications, descriptions, and features based on available information:
### **Specifications:**
- **Manufacturer:** NEC (Renesas Electronics)
- **Core:** 78K0R (16-bit)
- **Operating Voltage:** 2.7V to 5.5V
- **Clock Speed:** Up to **20 MHz**
- **Flash Memory:** **32 KB**
- **RAM:** **2 KB**
- **Package:** **LQFP-64** (Low-profile Quad Flat Package)
- **Operating Temperature Range:** **-40°C to +85°C**
- **I/O Ports:** Multiple configurable digital I/O pins
- **Timers:** Multiple 16-bit timers/counters
- **ADC:** 10-bit ADC (Analog-to-Digital Converter)
- **Communication Interfaces:** UART, I²C, SPI
- **Low-Power Modes:** Supports power-saving modes
### **Descriptions:**
- The **UPD17P103CX** is part of NEC’s **78K0R microcontroller series**, designed for embedded control applications.
- It is optimized for **low-power operation** and **high-performance processing** in industrial, automotive, and consumer electronics.
- The **LQFP-64 package** makes it suitable for space-constrained PCB designs.
### **Features:**
- **16-bit 78K0R CPU core** for efficient processing.
- **Wide operating voltage range (2.7V–5.5V)** for flexibility in power supply.
- **On-chip flash memory (32 KB)** for firmware storage.
- **Multiple communication interfaces (UART, I²C, SPI)** for peripheral connectivity.
- **10-bit ADC** for analog signal processing.
- **Robust industrial-grade temperature range (-40°C to +85°C).**
- **Low-power modes** for battery-operated applications.
This information is based on NEC/Renesas documentation. For exact details, refer to the official **datasheet** or **technical manual** from Renesas Electronics.
