VS1002 Audio Decoder Chip
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