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MPEG AUDIO CODEC

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VLSISolutionyVS1011eVS1011EVS1011e - MPEG AUDIO CODECFeatures• Decodes MPEG 1.0 & 2.0 audio layer III(CBR, VBR, ABR); layers I & II optional;WAV (PCM + IMA ADPCM)• 320kbit/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..26MHz external clock• Internal clock doubler• Low-power operation• High-quality stereo DAC with no phase er-ror between channels• Stereo earphone driver capable of driving a30Ω load• Separate 2.5 .. 3.6 V operating voltages foranalog 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 softwareand 4 GPIO pins• Lead-free and RoHS-compliant packagesLPQFP-48, BGA-49, and SOIC-28Instruction RAMInstruction ROMStereo DACLRStereo Ear−phone DriveraudiooutputX ROMX RAMY ROMY RAMVSDSP4SerialData/ControlInterfaceDREQSOSISCLKXCSVS1011GPIO4GPIOXDCSDescriptionVS1011e is a single-chip MPEG audio decoder.The chip contains a high-performance, low-powerDSP processor core VS DSP4, working memory,5 KiB instruction RAM and 0.5 KiB data RAMfor user applications, serial control and input datainterfaces, 4 general purpose I/O pins, as well asa high-quality variable-sample-rate stereo DAC,followed by an earphone amplifier and a commonbuffer.VS1011e receives its input bitstream through a se-rial input bus, which it listens to as a system slave.The input stream is decoded and passed through adigital volume control to an 18-bit oversampling,multi-bit, sigma-delta DAC. The decoding is con-trolled via a serial control bus. In addition to basicdecoding, it is possible to add application specificfeatures, like DSP effects, to the user RAM mem-ory.Version 1.04, 2007-10-08 1VLSISolutionyVS1011eVS1011ECONTENTSContents1 License 82 Disclaimer 83 Definitions 84 Characteristics & Specifications 94.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94.2 Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94.3 Analog Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.4 Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.5 Digital Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114.6 Switching Characteristics - Boot Initialization . . . . . . . . . . . . . . . . . . . . . . . 115 Packages and Pin Descriptions 125.1 Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125.1.1 LQFP-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125.1.2 BGA-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135.1.3 SOIC-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135.2 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145.2.1 LQFP-48 and BGA-49 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . 145.2.2 SOIC-28 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Connection Diagram, LQFP-48 167 SPI Buses 17Version 1.04, 2007-10-08 2VLSISolutionyVS1011eVS1011ECONTENTS7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177.2 SPI Bus Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177.2.1 VS1002 Native Modes (New Mode) . . . . . . . . . . . . . . . . . . . . . . . . 177.2.2 VS1001 Compatibility Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177.3 Serial Protocol for Serial Data Interface (SDI) . . . . . . . . . . . . . . . . . . . . . . . 187.3.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187.3.2 SDI in VS1002 Native Modes (New Mode) . . . . . . . . . . . . . . . . . . . . 187.3.3 SDI in VS1001 Compatibility Mode . . . . . . . . . . . . . . . . . . . . . . . . 187.4 Data Request Pin DREQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197.5 Serial Protocol for Serial Command Interface (SCI) . . . . . . . . . . . . . . . . . . . . 197.5.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197.5.2 SCI Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217.5.3 SCI Write . . . . . . . . . . . . . . . . . …


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