VS1002 - MP3 Audio Decoder Chip (Discontinued)

Block diagram


  • Decodes MPEG1.0&2.0 audio layer III (CBR + VBR); WAV and PCM files
  • Encodes ADPCM from microphone input
  • Streaming support for MP3 and WAV
  • Bass control
  • Operates with single a clock 12 - 13 MHz or 24 - 26 MHz.
  • Internal clock doubler
  • Low-power operation
  • High-quality on-chip stereo DAC with no phase error between channels
  • Stereo earphone driver capable of driving a 30­ ohm load
  • Separate operating voltages for analog and digital
  • 7.5 KiB On-chip RAM for user code / data
  • Serial control and data interfaces
  • Can be used as a slave co-processor
  • SPI flash boot for special applications
  • UART for debugging purposes
  • New functions may be added with software and 4 GPIO pins
  • Not recommended for new projects; superseded by VS1003


LQFP48 7x7x1.4mm
BGA49 7x7x1.4mm