UPD78F0078

series introduction

# Introduction to the UPD78F0078 Product Series

## 1. Overview
The UPD78F0078 product series is a remarkable line of microcontrollers developed by NEC Electronics (now Renesas Electronics). These microcontrollers are designed to meet the diverse and demanding requirements of a wide range of applications, offering a combination of high - performance, low - power consumption, and rich functionality. With their advanced architecture and comprehensive set of features, the UPD78F0078 series provides an ideal solution for embedded systems developers.

## 2. Key Features

### 2.1 CPU Core
- **High - Performance CPU**: The UPD78F0078 series is based on the 8 - bit 78K0R CPU core. This core offers a high - speed instruction execution, with a maximum operating frequency of up to [X] MHz. It supports a wide range of instructions, enabling efficient implementation of complex algorithms and control tasks.
- **Enhanced Instruction Set**: The instruction set includes arithmetic, logical, and data transfer instructions, as well as special instructions for bit - manipulation and interrupt handling. This allows for optimized code development and improved system performance.

### 2.2 Memory
- **On - Chip Flash Memory**: These microcontrollers are equipped with on - chip flash memory, which provides non - volatile storage for program code. The flash memory capacity in the UPD78F0078 series ranges from [X] KB to [X] KB, allowing developers to store large and complex applications.
- **RAM**: A sufficient amount of on - chip RAM is available, typically ranging from [X] bytes to [X] bytes. This RAM is used for data storage during program execution, enabling fast access to variables and intermediate results.

### 2.3 Peripherals

#### 2.3.1 Timer Modules
- **Multiple Timer Channels**: The UPD78F0078 series features multiple timer channels, including general - purpose timers and pulse - width modulation (PWM) timers. These timers can be used for a variety of applications, such as generating accurate time delays, controlling motor speed through PWM signals, and measuring time intervals.
- **High - Resolution Timing**: The timers offer high - resolution timing capabilities, with a minimum timer clock period of [X] μs, allowing for precise control in time - critical applications.

#### 2.3.2 Serial Communication Interfaces
- **UART (Universal Asynchronous Receiver/Transmitter)**: The microcontrollers are equipped with UART interfaces, which support asynchronous serial communication. UART is commonly used for communication with external devices such as sensors, displays, and other microcontrollers.
- **SPI (Serial Peripheral Interface)**: The SPI interface provides a high - speed synchronous serial communication option. It is suitable for communicating with external memory devices, sensors, and other SPI - compatible peripherals.
- **I²C (Inter - Integrated Circuit)**: The I²C interface enables communication with a wide range of I²C - compatible devices, such as EEPROMs, sensors, and real - time clocks. It uses a two - wire bus structure, which simplifies the hardware design.

#### 2.3.3 Analog - to - Digital Converter (ADC)
- **High - Resolution ADC**: The UPD78F0078 series includes an ADC with a resolution of [X] bits. This ADC can convert analog input signals from external sensors into digital values, allowing the microcontroller to process and analyze analog data.
- **Multiple Input Channels**: The ADC supports multiple input channels, enabling the simultaneous measurement of multiple analog signals. This is useful in applications such as sensor data acquisition and monitoring.

#### 2.3.4 Watchdog Timer
- **System Monitoring**: The watchdog timer

Images for reference

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Datasheets

• PDF 1

Partlist