
ETC1
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.
FEATUREs
• Decodes MPEG 1.0 & 2.0 audio layer III(CBR, VBR, ABR); layers I & II optional;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 30Ω 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
• SPI flash boot for special applications
• New functions may be added with software and 4 GPIO pins
• Lead-free and RoHS-compliant packages LPQFP-48, BGA-49, and SOIC-28