.. _VS1002:

=========================
VS1002 Audio Decoder Chip
=========================

.. image:: VS1002/VSDSP4_audioIC.png

Data Sheets
===========

:download:`VS1002d.pdf <VS1002/VS1002d.pdf>`

:download:`VS10XXan.pdf <VS1002/VS10XXan.pdf>`

Features
========

* 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