VS1053 - Multifunction Audio Codec for
Portable and Streaming Applications
VS1053B is the current flagship of the
VLSI solutions audio decoder range.
VS1053B is a single-chip Ogg
Vorbis/MP3/AAC/- WMA/MIDI audio decoder and an IMA ADPCM and user-loadable Ogg
Vorbis encoder. It contains a high-performance, proprietary low-power DSP
processor core VS DSP4, working data memory, 16 KiB instruction RAM and 0.5+
KiB data RAM for user applications running simultaneously with any built-in
decoder. The device includes serial control and input data interfaces, upto 8
general purpose I/O pins, an UART, as well as a high-quality
variable-samplerate stereo ADC (mic, line, line + mic or 2£line) and
stereo DAC, followed by an earphone amplifier and a common voltage
buffer.