Features:

• Decodes MPEG 1.0 & 2.0 audio layer III (CBR, VBR, ABR) WAV (PCM + IMA ADPCM)
• 320 kbit/s MP3 with 12.0 MHz external clock
• Streaming support for MP1/2/3 and WAV
• Bass and treble controls
• Operates with single 12..13 MHz or 24..26 MHz external clock
• Internal clock doubler
• Low-power operation
• High-quality stereo DAC with no phase error between channels
• Stereo earphone driver capable of driving a 30­ ohm load
• Separate 2.5 .. 3.6 V operating voltages for analog and digital
• Serial control and data interfaces
• Can be used as a slave co-processor
• 5.5 KiB On-chip RAM for user code / data

Description:

VS1011e is a single-chip MPEG audio decoder. The chip contains a high-performance, low-power DSP processor core VS DSP4, working 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, as well as a high-quality variable-sample-rate stereo DAC, followed by an earphone amplifier and a common buffer.

VS1011e receives its input bitstream through a serial input bus, which it listens to as a system slave. The input stream is decoded and passed through a digital volume control to an 18-bit oversampling, multi-bit, sigma-delta DAC. The decoding is controlled via a serial control bus.

Resources:

Data Sheet -- Eagle Library LQFP

VS1011E-L MPEG Audio Codec

VS1011E-S MPEG Audio Codec