描述 Description

VS1003 is a versatile slave MP3 and WMA decoder chip, replacing the discontinued VS1002. It can record wideband speech quality audio and play MIDI either from files or using a standard serial MIDI keyboard with the Real-Time MIDI Input Application. Many wide-ranging applications have been developed for this IC that has sold more than 5 million units.

特性 Features

·Decodes MP3 (MPEG 1 & 2 audio layer III) (CBR +VBR +ABR);
·WMA 4.0/4.1/7/8/9 all profiles (5-384kbit/s);
·WAV (PCM + IMA ADPCM);
·General MIDI / SP-MIDI files
·Encodes IMA ADPCM from microphone or line input
·Streaming support
·Bass and treble controls
·Operates with a single 12 - 13 MHz clock
·Internal PLL clock multiplier
·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, digital and I/O
·5.5 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