VS1003 Datasheet Mp3/wma Audio Codec

Manufacturer: VLSI

Overview: VS1003 VS1003 - MP3/WMA AUDIO CODEC.

Datasheet Details

Part number	VS1003
Manufacturer	VLSI
File Size	655.71 KB
Description	MP3/WMA AUDIO CODEC
Datasheet	VS1003_ETC.pdf

General Description

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 ampliﬁer and a common buffer.

VS1003 receives its input bitstream through a serial input bus, which it listens to as a system slave.

Key Features

Decodes MPEG 1 & 2 audio layer III (CBR +VBR +ABR); WMA 4.0/4.1/7/8/9 all proﬁles (5-384kbit/s); WAV (PCM + IMA ADPCM); General MIDI / SP-MIDI ﬁles.
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 phase error between channels.

VS1003 Distributor

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