ATXMEGA32E5-AU
8-bit microcontrollers with 32TQFP package for industrial applications
Manufacturer： ['microchip', 'atmel']
series introduction
# Introduction to the ATXMEGA32E5 - AU Product Series
## 1. Overview
The ATXMEGA32E5 - AU is a member of the ATXMEGA E5 product family developed by Microchip Technology. This microcontroller series is designed to offer a high - performance, feature - rich solution for a wide range of embedded applications. With its advanced architecture, extensive peripheral set, and low - power capabilities, it stands as a reliable choice for engineers and developers looking to create innovative and efficient systems.
## 2. Key Features
### 2.1 Processor Core
- **AVR® XMEGA® Architecture**: The ATXMEGA32E5 - AU is based on the AVR XMEGA architecture, which provides a high - performance 8 - bit RISC (Reduced Instruction Set Computing) core. This architecture offers a large number of general - purpose working registers, allowing for efficient data processing and reduced memory access times.
- **High - Speed Execution**: It can execute instructions in a single clock cycle, enabling fast and responsive operation. The maximum operating frequency of the device is up to 32 MHz, which means it can handle complex tasks with ease, such as real - time data processing and control algorithms.
### 2.2 Memory
- **Flash Memory**: The microcontroller comes with 32 KB of in - system self - programmable flash memory. This non - volatile memory is used to store the program code, allowing for easy updates and reprogramming. The flash memory has a high endurance, with a specified number of write/erase cycles, ensuring long - term reliability.
- **SRAM**: There is 4 KB of static random - access memory (SRAM) available for data storage during program execution. This SRAM provides fast access to data, which is crucial for applications that require quick data manipulation, such as buffer management and algorithm execution.
- **EEPROM**: A 1 KB electrically erasable programmable read - only memory (EEPROM) is also included. The EEPROM is suitable for storing critical data that needs to be retained even when the power is turned off, such as calibration values, configuration settings, and user preferences.
### 2.3 Peripherals
#### 2.3.1 Communication Interfaces
- **USART (Universal Synchronous/Asynchronous Receiver/Transmitter)**: Multiple USART modules are available, which support both synchronous and asynchronous serial communication. This makes it easy to interface with other devices such as sensors, displays, and communication modules using protocols like RS - 232, RS - 485, and SPI (Serial Peripheral Interface) in synchronous mode.
- **SPI**: The SPI interface allows for high - speed serial communication between the microcontroller and other SPI - compatible devices. It supports master and slave modes, enabling seamless integration with external memory chips, sensors, and other peripherals.
- **TWI (Two - Wire Interface)**: Similar to the I²C (Inter - Integrated Circuit) protocol, the TWI interface provides a simple and efficient way to communicate with other I²C - compatible devices. It is commonly used for connecting sensors, EEPROMs, and other low - speed peripherals.
#### 2.3.2 Timers/Counters
- **Multiple Timer/Counter Modules**: The ATXMEGA32E5 - AU is equipped with several timer/counter modules, including 8 - bit and 16 - bit timers. These timers can be used for a variety of applications, such as generating accurate time delays, measuring time intervals, and generating PWM (Pulse Width Modulation) signals for motor control and LED dimming.
#### 2.3.3 Analog - to - Digital Converter (ADC)
- **12 - bit ADC**:
Images for reference
32-TQFP
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