EFM32WG230

series introduction

# EFM32WG230 Product Series Introduction

## 1. Overview
The EFM32WG230 product series is a remarkable line of microcontrollers developed by Silicon Labs. These microcontrollers are engineered to offer high - performance, energy - efficient solutions for a wide range of applications. With a focus on combining advanced features with low power consumption, the EFM32WG230 series is well - suited for use in battery - powered devices, industrial control systems, and consumer electronics.

## 2. Key Features

### 2.1 Processor Core
- **ARM Cortex - M33 Core**: The EFM32WG230 series is built around the ARM Cortex - M33 processor core. This core provides a high - performance computing platform with a 32 - bit architecture. It offers excellent processing capabilities, enabling the microcontroller to handle complex tasks such as data processing, algorithm execution, and real - time control. The Cortex - M33 also features advanced security mechanisms, including TrustZone technology, which helps protect sensitive data and code from unauthorized access.
- **High Clock Speed**: These microcontrollers can operate at relatively high clock speeds, allowing for fast execution of instructions. This high - speed operation is beneficial for applications that require quick response times, such as motor control and sensor data processing.

### 2.2 Memory
- **Flash Memory**: The EFM32WG230 series comes with a generous amount of on - chip flash memory. This non - volatile memory is used to store the program code of the microcontroller. The large flash memory capacity enables developers to implement complex applications with extensive functionality. It also allows for easy firmware updates, which is crucial for product maintenance and feature enhancements.
- **RAM**: Sufficient on - chip RAM is available for storing data during program execution. The RAM provides fast access to data, which is essential for efficient processing. It can be used to buffer sensor data, intermediate calculation results, and other variables required by the application.

### 2.3 Low - Power Operation
- **Energy Modes**: The EFM32WG230 series offers multiple energy modes, including active mode, sleep mode, and deep sleep mode. In active mode, the microcontroller operates at full performance, while in sleep and deep sleep modes, it significantly reduces power consumption. These energy - saving modes are designed to extend the battery life of portable devices. For example, in deep sleep mode, the microcontroller can consume only a few microamps of current, making it ideal for battery - powered applications that need to operate for long periods without frequent battery replacements.
- **Peripheral Power Management**: The microcontroller also features intelligent peripheral power management. It can selectively power on or off individual peripherals based on the application's requirements. This helps to further reduce power consumption by eliminating unnecessary power usage by idle peripherals.

### 2.4 Peripherals
- **Communication Interfaces**: The EFM32WG230 series is equipped with a variety of communication interfaces, such as SPI (Serial Peripheral Interface), I2C (Inter - Integrated Circuit), UART (Universal Asynchronous Receiver - Transmitter), and USB (Universal Serial Bus). These interfaces enable the microcontroller to communicate with other devices, such as sensors, actuators, and external memory modules. For example, the SPI interface can be used to communicate with high - speed sensors, while the USB interface allows for easy connection to a computer for data transfer and programming.
- **Analog - to - Digital Converters (ADCs)**: High - resolution ADCs are integrated into the microcontroller. These ADCs can convert analog signals from sensors, such as temperature sensors and pressure sensors, into digital values that can be processed by the microcontroller. The high - resolution ADCs ensure accurate measurement of analog

Images for reference

64-VFQFN Exposed Pad

64-VFQFN Exp Pad

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Datasheets

• EFM32WG230
• PDF 2

Partlist