Atmel AT73C246-EK1, Руководство пользователя

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1-2 AT73C246-EK1 Evaluation Kit User Guide
11047A–PMAAC–08-Apr-10
1.2 AT73C246-EK1 Features
The AT73C246-EK1 provides the following features:
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Small size (only 70 x 70mm) with maximum available features.
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Input power supply:
– External Power Supply on VIn pad (2.5V to 5.5V).
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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,
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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,
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Serial interfaces:
– TWI for PMU and Audio controls,
– I²S Master / Slave protocol support (for audio streaming),
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RTC 32KHz output for host support.
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Reset and Interrupt generation.
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On-board buttons:
– Power Enable (PWREN),
– Hard Reset (HRST),
– Wakeup Sequence (WAKEUP0).