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The ATmega256RFR2 Xplained Pro starter kit is ideal for evaluation and prototyping with the ATmega256RFR2 microcontroller. The ATmega256RFR2 Xplained Pro board is available as an evaluation kit or starter kit. Extension boards can also be individually purchased.

The ATmega256RFR2-XSTK starter kit includes the I/O1 Xplained Pro, OLED1 Xplained Pro, and PROTO1 Xplained Pro extension boards.

If all you need is just the MCU evaluation board, the ATmega256RFR2-XPRO evaluation kit is available and does not include extension boards.


    • ATmega256RFR2 microcontroller
    • One mechanical reset button
    • One mechanical user pushbutton - Wake-up, bootloader entry or general purpose
    • One yellow user LED
    • 32.768kHz crystal
    • 16MHz crystal
    • 5 Xplained Pro extension headers (2 headers are duplicates)
    • Antenna diversity - Ceramic RF antenna and SMA connector for external antenna
    • Temperature sensor
    • Embedded debugger
      • Auto-ID for board identification in Atmel Studio
      • One yellow status LED
      • One green board power LED
      • Symbolic debug of complex data types including scope information
      • Programming
      • Data Gateway Interface: SPI, TWI, 4 GPIOs
      • Virtual COM port (CDC).
    • USB powered
    • Supported with application examples in Atmel Software Framework

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  • Програмное обеспечение
  • Топология платы
Clare's CPC9909 Evaluation Board contains all the necessary circuitry to demonstrate all the features of CPC9909 High Brightness (HB), Off-Line LED driver. The CPC9909 IC architecture includes pulse frequency modulation (PFM) with a constant peak-current control scheme. This regulation scheme is inherently stable, allowing the driver to operate above 50% duty cycle without open-loop instability or sub-harmonic oscillations. This greatly increases the number of LEDs in series that can be driven by the CPC9909 and by this Evaluation Board.

Linear LED dimming can be achieved either by adjusting the on-board potentiometer, RA1, or by adjusting the voltage at the LD pin. In addition, PWM dimming can be achieved with a user-applied TTL-level, low frequency, pulse-width-modulated square wave signal between JP1-1 (GND) and JP1-2 (connected to the PWMD pin of the CPC9909).
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  • Схемотехника
The EVAL-RS485FDEBZ allows quick and easy evaluation of full-duplex RS-485 transceivers with standard 14-lead SOIC footprints. The evaluation board allows interfacing via screw terminal block to digital I/O for driver input (DI), receiver output (RO), driver enable (DE) and receiver output (RO). Bus signals A, B, Y and Z (full-duplex bus) can be connected to a bus screw terminal block. Termination resistors are fitted across A and B, as well as Y and Z. These can be connected in half-duplex configuration (A to Y, B to Z), in order to evaluate the RS-485 driver. Footprints are provided for pull-up and pull-down (biasing resistors) on the receiver inputs in order to provide the option to evaluate an RS-485 receiver with this configuration.

Devices for evaluation on the board must be ordered separately.

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*Информация о ценах и сроках поставки носит информационный характер. Офертой является только выставленный счет.

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