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The evaluation kit lets designers quickly evaluate the power supplies and audio capability of the AT73C246, and prototype and test new designs. The standalone board is designed to allow an easy evaluation of the products using demonstration software. To increase its demonstration capabilities, the board has two serial interfaces: TWI for PMU and audio controls, and I2S master/slave protocol support for audio streaming. The evaluation kit contains a AT73C246-EK1 evaluation board, on-board power enable, hard reset and wakeup sequence buttons, RTC 32KHz output for host support, reset and interrupt generation, USB-to-TWI interface card (with USB cable and CD-ROM with development software, GUI and technical documentation.

Key Features

  • The AT73C246-EK1 provides the following features:
  • External power supply on VIn pad (2.5V to 5.5V)
  • 100dB dynamic range stereo audio DAC, 8 to 96 kHz sampling frequency
  • 4 x 96dB dynamic range stereo audio ADCs, 8 to 96 kHz sampling frequency
  • Stereo

Ordering Code Atmel Store Availability1 Unit Price2 Buy Online
AT73C246-EK1 0 Varies

1Backlog orders can be placed for items currently not available.
2Suggested retail price per unit for budgetary use only.


AT73C246 Software Package
AT73C246 Software Package
(250870, updated May 2010)
Software for the AT73C246-EK1 Evaluation Kit