AAC/WMA/MP3 + SD Memory Card + iPod - BU94502CMUV

BU94502CMUV is WAV/AAC/WMA/MP3 decoder LSI which contains USB host, SD card I/F, audio DAC, system controller, regulator for internal CORE power supply.

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BU94502CMUV-E2ActiveVQFN040V606020002000TapingYes

BU94502CMUV Data Sheet

Specifications
Vcc(Min.)[V]3.0
Vcc(Max.)[V]3.6
I/FI2C BUS
Digital Audio I/FI2S SPDIF
USBUSB2.0 Full Speed
SDMMC SD / miniSD / microSD / SDHC
iPodiPod 5G/iPod nano/iPod classic/iPod touch/iPhone/iPad
Display informationNumber(Folder, File), Reproduction time, Name(Folder, File), Tag(Artist, Album, Title Genre)
MP3MPEG 1, 2, 2.5 LAYER 1, 2, 3
WMAWMA9 Standard
AACMPEG4 AAC-LC
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]85
Technical Documents
Features
  • USB2.0 Full Speed host I/F function contained.
  • SD card I/F function contained.
  • I2C format I/F function contained.
  • Protocol conversion from I2C to USB HID or from USB HID to I2C.
  • MP3 decode function contained.
    (Available for MPEG1, 2 and 2.5, Layer 1, 2 and 3)
  • WMA decode function contained.
    (Available for WMA9 standard and not available for DRM)
  • AAC decode function contained.
    (Available for MPEG4 AAC-LC and not available for DRM)
  • WAV format file playing function contained.
  • Sample Rate Converter contained.
  • System Controller contained.
  • FAT analysis function contained.
  • Folder pass table making function contained.
  • ID3TAG and WMATAG and AACTAG Analysis.
  • Fast forward playing and fast backward playing function contained.
  • Resume function contained.
  • Reading a specified file data is possible from connected memory.
  • LUN is selectable.
  • Sound Effect function contained.
  • Digital Audio Out function contained.
    (I2S, EIAJ, S/PDIF)
  • Audio DAC contained.
  • Regulator for internal CORE power supply contained.
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Application Note BA12004BF
Part Explanation BA12004BF