VS1003
Features
- 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 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 driv- ing a 30Ω load
- Separate operating voltages for analog, digital and I/O
- 5.5 Ki B 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 soft- ware and 4 GPIO pins
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_DSP4, working data memory, 5 Ki B...