MP3 Player OEM Module with ATmega644p microcontroller, SDcard and VS1011 decoder.


Complete with firmware, ready to use.


Adds high-quality audio playback functionality to your devices.


  • Atmel ATmega644p RISC CPU @ 6MHz
  • VLSI VS1011E MP3/WAV Decoder
  • Decodes MPEG 1 & 2 audio layer 3 (ISO 11172-3), WAV and PCM files
  • Supports bitrates up to 128kbit/s and VBR (variable bitrate) for MP3
  • High-quality stereo DAC with no phase error between channels
  • Stereo earphone driver capable of driving a 30Ohm load
  • Active de-click circuit
  • SDcard removable FAT 16 storage device, on SPI
  • Remote controlled via UART and/or keyboard
  • Operating Voltage: 3.3VDC, onboard 5V/3.3V LDO
  • Mechanical dimensions: 46 x 48.5 mm


  • Fully self-contained digital audio playback module
  • Ready to use, no firmware programming required
  • Supports SDcard mass storage with FAT16
  • Directly connect earphones or active speakers
  • Fully controllable via serial interface or keypad

Related Documents

Product Datasheet Rev. 2.1

Schematic Diagram Rev. 1.1

Firmware Image (V 1.2)

VS1011 Data Sheet


Previous Versions

Schematic Diagram Rev. 1.0

Application Note AN0009, Rev. 1.0

Product Datasheet Rev. 1.0

Related Products

MP3annunciator (Industrial MP3 Player)


Ordering Information

Art. No. 0138

MP3 embedded digital audio player with VS1011


EUR 89.00


Additional Resources

VLSI product page





Copyright 2003-2010 by Elektronik-Atelier, All Rights Reserved
Webdesign by Elektronik-Atelier, 09.08.2010