Evaluation kit Atmel AT73C246-EK1

The AT73C246-EK1 is designed to give designers a quick start to evaluate the power supplies and audio capability of the AT73C246 and for prototyping and testing of new designs.

Detailed Description

The board is designed to allow an easy evaluation of the products using demonstration software. To increase its capabilities for demonstration, this standalone board has two serial interfaces (TWI and I2S).

Typical applications:

  • Multimedia Devices
  • Audio + Supply solution for MPU+DDR2 designs

Atmel: AT73C246-EK1

The AT73C246-EK1 board features the following items:

  • Input power supply:
    • External Power Supply on VIn pad (2.5V to 5.5V)
  • On-board audio/analog resources:
    • 100dB Dynamic Range Stereo Audio DAC - 8 to 96 kHz sampling frequency
    • 4 x 96dB Dynamic Range Stereo Audio ADC - 8 to 96 kHz sampling frequency
    • 1 stereo 16/32 Ohm/20mW stereo headset (3.5mm jack connector)
    • 1 stereo line in (3.5mm jack connector)
    • 1 auxiliary in (3.5mm jack connector)
    • 1 stereo line output (3.5mm jack connector)
    • Stereo microphone inputs with bias generator
  • On-board power supply resources:
    • DCDC0 : 0.8 - 3.6V / 600mA
    • DCDC1 : 0.8 - 3.6V / 600mA
    • LDO2 : 0.8 - 1.9V / 300mA
    • LDO3 : 2.7 - 3.6V / 200mA
    • LDO4 : 2.7 - 3.6V / 200mA
    • LDO5 : 2.5V / 10mA - Backup battery charger and RTC supply
  • Serial interfaces:
    • TWI for PMU and Audio controls
    • I2S Master / Slave protocol support (for audio streaming)
  • RTC 32KHz output for host support
  • Reset and Interrupt generation
  • On-board buttons:
    • Power Enable (PWREN)
    • Hard Reset (HRST)
    • Wakeup Sequence (WAKEUP0)

The evaluation kit contains the following:

  • The AT73C246-EK1 evaluation board
  • USB to TWI interface card (with it USB cable)
  • Development software CD (GUI & technical documents)

Schematic diagram AT73C246-EK1 board

atmel.com

Other Names:

AT73C246EK1, AT73C246 EK1