VS1003 Overview
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 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 variablesample-rate mono ADC and stereo DAC, followed by an earphone...
VS1003 Key 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
- Stereo earphone driver capable of driv
- Separate operating voltages for analog
- 5.5 KiB On-chip RAM for user code /
VS1003 Applications
- UART for debugging purposes
- New functions may be added with soft