Atmel AT73C246-EK1, User Manual

Page: 6 / 48

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:
„
Small size (only 70 x 70mm) with maximum available features.
„
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).