Datasheet USB Audio Decoder LSI Series AAC/WMA/MP3 +SD Memory Card +CD-ROM+MP3 Record BU94605AKV BU94607AKV BU94702AKV BU94705AKV Description Package BU94605AKV BU94607AKV BU94702AKV VQFP80 14.00mm x 14.00mm x 1.60mm BU94705AKV are MP3 encoder + WAV/AAC/WMA/MP3 decoder IC which contains program download function from external serial Flash ROM and contains USB host, SD card I/F, CD-ROM I/F, audio DAC, system controller, regulator for internal CORE power supply. Features USB2.0 Full Speed host I/F function contained. SD card I/F function contained. 2 I C format I/F function contained. 2 Protocol conversion from I C to USB HID or from USB 2 HID to I C. *1 MP3 encode function contained. *2,*3,*10 MP3 decode function contained. *4 WMA decode function contained. *5 AAC decode function contained. *6,*7 WAV format file playing function contained. *7 Sample Rate Converter contained. *8 System Controller contained. VQFP80 FAT analysis function contained. CD-ROM I/F function and *1 BU94705AKV and BU94607AKV only. CD-ROM decoder function contained. Browsing function of File Names, Folder Names on *2 BU94705AKV and BU94702AKV only. *3 Available for MPEG1, Layer3, support up to 2X music playing contained. ID3TAG and WMATAG and AACTAG Analysis. inputspeed. Fast forward/backward playing function contained. *4 Available for MPEG1, 2 and 2.5, Layer 1, 2 and 3. *5 Available for WMA9 standard and not available for DRM. Resume function contained. File data Reading/Writing function contained. *6 Available for MPEG4 AAC-LC and not available for DRM. Program download function from external serial Flash *7 Not available for CD-ROM. *8 Convert to 44.1 kHz. ROM contained. 2 Audio DAC and Sound Effect function contained. *9 Available for I S, EIAJ, S/PDIF format. Digital Audio Out function contained. *9 *10 Writing speed to the memory (USB memory, SD memory Regulator for internal CORE power supply contained. card) of the encoding data depends on the response speed of the memory greatly. Examine the memory which a connection is presumed fully, and limit the encoding format Applications specifications of the set because real time encoding can t Audio products, etc be realized when a writing response speed is slow. Line up Part number MP3 encoder iPod Package Ordering part number Reel of 1000 BU94605AKV-E2 Not Not BU94605AKV VQFP80 Supported supported Tray of 1000 BU94605AKV Reel of 1000 BU94607AKV-E2 Not BU94607AKV Supported VQFP80 Supported Tray of 1000 BU94607AKV Reel of 1000 BU94702AKV-E2 Not BU94702AKV Supported VQFP80 supported Tray of 1000 BU94702AKV Reel of 1000 BU94705AKV-E2 BU94705AKV Supported Supported VQFP80 Tray of 1000 BU94705AKV Product structure:Silicon Monolithic integrated circuit Radiation resistance design is not arranged www.rohm.com TSZ02201-0V2V0E600090-1-2 2012 ROHM Co., Ltd. All rights reserved. 1/80 TSZ2211114001 19.Mar.2019 Rev.003 BU94605AKV BU94607AKV BU94702AKV BU94705AKV Basic circuit application diagram Figure 1. an example of connection circuit application www.rohm.com TSZ02201-0V2V0E600090-1-2 2012 ROHM Co., Ltd. All rights reserved. 2/80 TSZ2211115001 19.Mar.2019 Rev.003