VLSI Solution Oy 
Part Number : VS1003
Overview :
VS1003 is a single-chip MP3/WMA/MIDI audio decoder and ADPCM encoder. It contains a highperformance, proprietary low-power DSP processor core VS DSP4, working data memory, 5 KiB instruction RAM and 0.5 KiB data RAM for user applications
Features : - Encodes IMA ADPCM from microphone
- or line input
- Streaming support for MP3 and WAV
- 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 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
Categories :
Portability :
Type : Soft
DownStream: Solutions for Post Processing PCB Designs
Verific: SystemVerilog & VHDL Parsers

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