ATMEGA2564RFR2
2.4GHz RF microcontrollers with 256KB flash in 48-pin VQFN packages
Manufacturer： ['microchip', 'atmel']
series introduction
# ATMEGA2564RFR2 Product Series Introduction
## 1. Overview
The ATMEGA2564RFR2 is a highly integrated and feature - rich microcontroller product series from Microchip Technology. It combines the power of an AVR® 8 - bit RISC architecture with advanced radio frequency (RF) capabilities, making it an ideal choice for a wide range of applications that require both processing power and wireless communication.
## 2. Key Features
### 2.1 AVR 8 - Bit RISC Architecture
- **High - Performance CPU**: The ATMEGA2564RFR2 is based on the AVR 8 - bit RISC architecture, which offers a large number of instructions and a high - speed execution rate. It can execute most instructions in a single clock cycle, enabling efficient processing of complex tasks.
- **Rich Instruction Set**: With a comprehensive instruction set, it supports various operations such as arithmetic, logical, and data transfer operations. This allows developers to write efficient and optimized code for their applications.
### 2.2 Memory
- **Flash Memory**: It is equipped with 256KB of in - system self - programmable flash memory. This large - capacity flash memory can store the application code, allowing for the implementation of complex algorithms and functions.
- **SRAM**: The microcontroller has 8KB of SRAM, which provides sufficient space for data storage during program execution. It can be used to store variables, buffers, and intermediate results, ensuring smooth operation of the application.
- **EEPROM**: There is also 4KB of EEPROM available. EEPROM is non - volatile memory, which means it retains data even when the power is turned off. It is suitable for storing configuration data, calibration values, and other important information that needs to be preserved.
### 2.3 RF Capabilities
- **Integrated RF Transceiver**: The ATMEGA2564RFR2 features an integrated 2.4GHz RF transceiver. This transceiver supports the IEEE 802.15.4 standard, which is widely used in wireless sensor networks, home automation, and other applications.
- **High - Sensitivity Receiver**: The receiver has a high sensitivity, which allows it to detect weak RF signals accurately. This is crucial for applications where the communication distance needs to be maximized or in environments with high noise levels.
- **Low - Power Transmission**: The transmitter can operate at low power levels while still achieving reliable communication. This helps to extend the battery life of battery - powered devices, making it suitable for applications such as wireless sensors and wearable devices.
### 2.4 Peripherals
- **Timers/Counters**: It includes multiple timers and counters, which can be used for a variety of purposes such as generating accurate time delays, measuring time intervals, and generating PWM (Pulse Width Modulation) signals. PWM signals are commonly used for motor control, LED dimming, and other applications.
- **USART, SPI, and I²C Interfaces**: These communication interfaces allow the ATMEGA2564RFR2 to communicate with other devices such as sensors, actuators, and external memory modules. The USART interface is suitable for serial communication, the SPI interface provides high - speed data transfer, and the I²C interface is commonly used for connecting low - speed devices.
- **Analog - to - Digital Converter (ADC)**: The ADC has a high resolution and can convert analog signals from sensors into digital values. This enables the microcontroller to interface with various analog sensors such as temperature sensors, pressure sensors, and light sensors.
### 2.5 Low - Power Operation
- **Multiple Power Modes**: The ATMEGA2564RFR2 supports multiple power modes, including
Images for reference
48-QFN
48-VQFN
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