Supports audio decoding formats: MP3, MP3 + V, WMA, WAV, MIDI, SP-MIDI
Separate analog, digital and IO power supply; serial data and control interface (SPI)
Headphones and audio output interface, with internal PLL clock frequency multiplier; quality stereo digital to analog converter (DAC); 16 bits Scalable on-chip analog to digital converter (ADC);
Mmicrophone for recording, support audio encoding format: IMA ADPCM (monaural)
Line_in input interface, supports two input modes; supports MP3 and WAV streams
Separate analog, digital, and IO power supply, with power indicator light
Onboard 3.3V and 2.5V LDO chip AMS-1117, 800mA current
Single power supply: +5 VDC, capacitor filter
12.288 Mhz crystal