AT256RFR2-EK

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RF evaluation and development kits, boards, such as the AT256RFR2-EK, are essential tools for the development of RF circuits. The AT256RFR2-EK is a complete evaluation and reference platform specifically designed to enable the evaluation and development of application specific wireless system solutions using the ATtiny26L microcontroller. This kit features a board with a high-performance TRF7960A radio chip and an on-board USB bridge to facilitate the development of highly-capable solutions.

The primary components of the AT256RFR2-EK include the Atmel ATtiny26L microcontroller, the Texas Instruments TRF7960A radio modulator-demodulator IC (RFIC), and the Silicon Labs CP2102 USB bridge IC. The TRF7960A is a low-power, integrated RF modulator-demodulator IC specifically designed for contactless communications. It includes internal data-rate downconverters, adjustable modulator output power, an analog-to-digital converter, and a variety of reduction-rate features. The CP2102 is a low-cost, low-power, USB bridge IC that provides a full-speed USB connection between the microcontroller and the host device.

The AT256RFR2-EK board further enables developers to become familiar with the design process behind wireless communication applications. The board also provides several application-specific features, such as the ability to measure the antenna losses, monitor the channel signal power, receive and transmit RF data, and adjust the network configurations. Plus, the on-board Si1133 ambient light and temperature sensor, and a reference RF coil for testing wireless ID proximity applications, further enhance the development process.

The AT256RFR2-EK is also compatible with Atmel’s RF professional development tools, including the Atmel Studio development environment. The Atmel Studio provides direct access to a wide range of third-party development tools, such as Atmel’s AVR ONE! eTouch designer, Atmel’s Data Visualizer tool, and Atmel’s JTAGICE mk3 debugger.

The AT256RFR2-EK is an ideal platform for testing and developing various types of RF applications. It is an efficient way to achieve a low-cost, high-performance RF circuit. With the AT256RFR2-EK developers can quickly and easily build prototypes and create application-specific wireless solutions.

The operating principle of the AT256RFR2-EK is based on the RFIC\'s ability to modulate and demodulate radio waves. The board works in both transmit and receive modes. During the transmit mode, the CPU transmits data over a specified frequency. The TRF7960A then encodes the digital information into analog signals, which are then transmitted over the air. During the receive mode, the process is reversed; the TRF7960A receives the cellular signal and decodes the analog signal into digital data, which is then processed by the CPU.

Overall, the AT256RFR2-EK is an efficient platform for the evaluation and development of RF circuits. It is a comprehensive and powerful solution for the prototyping and design of application-specific wireless system solutions. The board enables developers to easily test and develop various types of RF applications. It is a reliable way to create low-cost, high-performance RF circuits.

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