EFM32WG230F256

series introduction

# EFM32WG230F256 Product Series Introduction

## 1. Overview
The EFM32WG230F256 is a highly advanced and versatile microcontroller product series developed by Silicon Labs. This series is designed to meet the diverse needs of modern embedded systems, offering a combination of high - performance computing, low power consumption, and rich peripheral integration. It is suitable for a wide range of applications, from consumer electronics to industrial control and Internet of Things (IoT) devices.

## 2. Key Features

### 2.1 Processor Core
- **ARM Cortex - M33 Core**: The EFM32WG230F256 is powered by an ARM Cortex - M33 processor core. This core provides a high - performance computing platform with a 32 - bit architecture, offering excellent processing capabilities for complex tasks. It supports advanced features such as the ARMv8 - M Mainline architecture, which includes features like TrustZone for enhanced security, allowing developers to create secure embedded systems.
- **High Clock Speed**: It can operate at a relatively high clock speed, enabling fast execution of instructions and efficient data processing. This high - speed operation is beneficial for applications that require real - time response, such as motor control and sensor data processing.

### 2.2 Memory
- **Flash Memory**: The series comes with 256 KB of on - chip flash memory. Flash memory is non - volatile, which means it retains data even when the power is turned off. This large amount of flash memory can be used to store the application code, configuration data, and other important information. It allows developers to implement complex algorithms and large - scale applications without the need for external memory in many cases.
- **RAM**: There is also a sufficient amount of on - chip RAM available. The RAM provides fast access to data during program execution, enabling smooth operation of the microcontroller. It is used for storing variables, intermediate results, and stack data, ensuring efficient processing of tasks.

### 2.3 Low - Power Operation
- **Multiple Power Modes**: The EFM32WG230F256 offers multiple power modes, including active mode, sleep mode, deep sleep mode, and shutdown mode. In active mode, the microcontroller operates at full performance, while in sleep and deep sleep modes, it significantly reduces power consumption by shutting down non - essential components. The shutdown mode consumes the least amount of power, making it ideal for battery - powered applications where power conservation is crucial.
- **Energy - Aware Peripherals**: Many of the peripherals in this series are designed to be energy - aware. They can operate independently in low - power modes, allowing the microcontroller to perform tasks such as sensor data acquisition and communication with minimal power consumption. For example, the low - energy UART can continue to receive data in sleep mode, waking up the microcontroller only when necessary.

### 2.4 Peripheral Integration
- **Communication Interfaces**: It is equipped with a variety of communication interfaces, including UART (Universal Asynchronous Receiver - Transmitter), SPI (Serial Peripheral Interface), and I2C (Inter - Integrated Circuit). These interfaces enable the microcontroller to communicate with other devices such as sensors, actuators, and external memory modules. The UART is commonly used for serial communication with computers or other serial devices, while the SPI and I2C are used for high - speed and multi - device communication respectively.
- **Analog - to - Digital Converter (ADC)**: The on - chip ADC allows the microcontroller to convert analog signals from sensors into digital values. This is essential for applications such as environmental monitoring, where sensors measure physical quantities like temperature, humidity, and light intensity. The ADC has a high resolution and sampling rate, ensuring accurate and fast

Images for reference

64-VFQFN Exposed Pad

64-VFQFN Exp Pad

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Datasheets

• EFM32WG230
• PDF 2

Partlist