VS1003B中文資料ETC數(shù)據(jù)手冊(cè)PDF規(guī)格書

[VLSI SOLUTION]

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 variable-sample-rate mono ADC and stereo DAC, followed by an earphone amplifier and a common buffer.

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

? Stereo earphone driver capable of driving a 30? load

? Separate operating voltages for analog,

digital and I/O

? 5.5 KiB On-chip RAM for user code /

data

? Serial control and data interfaces

? Can be used as a slave co-processor

? SPI flash boot for special applications

? UART for debugging purposes

? New functions may be added with soft

ware and 4 GPIO pins