Part Number : VS1003
Function : MP3/WMA AUDIO CODEC
Package : LQFP 48 Pin
Manufacturer : VLSI Solution ( http://www.vlsi.fi/ )
Image :
Description
VS1003 is a single-chip MP3/WMA/MIDI audio decoder and ADPCM encoder.
It contains a high-performance, proprietary low-power DSP processor core VS_DSP 4, working data memory, 5 KiB instruction RAM and 0.5 KiB data RAM for user applications, serial control and input data interfaces, 4 general purpose I/O pins, an UART, as well as a high-quality variable sample-rate mono ADC and stereo DAC, followed by an earphone amplifier and a common buffer.
Pinout :

- Decodes:
- 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 or 24 – 26MHz 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
- 5.5kB On-chip RAM for user code / data
- 5kB instruction RAM
- 0.5kB user data RAM
- 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
VS1003 Datasheet PDF Download
Other datasheets in the file : VS1003

