W78E054

8-bit microcontrollers with 16KB flash memory in various packages

Manufacturer: ['nuvoton', 'winbond']

series introduction

# Introduction to the W78E054 Product Series

## 1. Overview
The W78E054 product series represents a remarkable line of microcontrollers that have been engineered to meet the diverse and demanding requirements of modern electronic applications. These microcontrollers are designed with a focus on high - performance, reliability, and flexibility, making them suitable for a wide range of industries and use - cases.

## 2. Key Features

### 2.1 CPU and Memory
- **Powerful CPU Core**: The W78E054 is equipped with an 8 - bit CPU core that offers a high - speed processing capability. This allows for efficient execution of complex instructions, enabling the microcontroller to handle real - time tasks with ease.
- **On - Chip Memory**: It comes with a generous amount of on - chip memory. There is a certain amount of ROM (Read - Only Memory) which stores the program code. This non - volatile memory ensures that the program remains intact even when the power is turned off. Additionally, there is a sufficient amount of RAM (Random - Access Memory) available for data storage and manipulation during the execution of the program. This combination of ROM and RAM provides a balanced environment for both code storage and data handling.

### 2.2 Peripheral Interfaces
- **UART (Universal Asynchronous Receiver - Transmitter)**: The W78E054 features a UART interface, which is widely used for serial communication. It allows the microcontroller to communicate with other devices such as computers, sensors, or other microcontrollers in a simple and efficient manner. The UART can operate at different baud rates, providing flexibility in communication speed.
- **SPI (Serial Peripheral Interface)**: This interface enables high - speed serial communication between the microcontroller and external devices. It is commonly used for connecting to devices like flash memories, sensors, and displays. The SPI interface supports full - duplex communication, allowing for simultaneous data transmission and reception.
- **I²C (Inter - Integrated Circuit)**: The I²C interface is a multi - master, multi - slave serial communication protocol. It is used for connecting low - speed devices such as EEPROMs, sensors, and other integrated circuits. The I²C interface simplifies the wiring and communication between multiple devices on the same bus.

### 2.3 Timer/Counter Modules
- Multiple timer/counter modules are integrated into the W78E054. These modules can be used for a variety of purposes, such as generating accurate time delays, measuring time intervals, and generating pulse - width modulation (PWM) signals. The PWM signals are particularly useful in applications such as motor control, where the speed and direction of the motor can be controlled by adjusting the duty cycle of the PWM signal.

### 2.4 Analog - to - Digital Converter (ADC)
- The W78E054 is equipped with an ADC, which allows it to convert analog signals from sensors (such as temperature sensors, light sensors, etc.) into digital values. This enables the microcontroller to interface with the real - world analog environment and make decisions based on the measured values. The ADC typically has a certain number of channels, allowing it to sample multiple analog signals simultaneously.

## 3. Applications

### 3.1 Industrial Automation
- In industrial automation systems, the W78E054 can be used for controlling various processes. For example, it can be used to control the operation of motors, valves, and other actuators. The microcontroller can receive input signals from sensors such as proximity sensors, temperature sensors, and pressure sensors, and based on these signals, it can send appropriate control signals to the actuators.
- It can also be used for monitoring and data logging in industrial environments. The microcontroller can collect data from various

Images for reference

44-QFP,SOT307-2

44-QFP,SOT307-2

44-PLCC

44-PLCC

Datasheets

Partlist

W78E054B40DL
W78E054B40FL
W78E054B40PL
W78E054C40DL
W78E054C40FL
W78E054C40PL
W78E054DDG
W78E054DFG
W78E054DLG
W78E054DPG