BU94605AKV Datasheet, PDF (11/84 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card +CD-ROM+MP3 Record

BU94605AKV BU94607AKV BU94702AKV BU94705AKV
Datasheet
●Description of each block’s movement
-part2
14. AAC decoder
⋅ Supports MPEG4 AAC-LC (Audio stream).
⋅ Based on 3GPP TS 26.244 and iTunes.
⋅ Supports File Type of m4a, mp42 and 3gpX. (X stands for any numeric value.)
⋅ Not supports DRM files. Not supports CD-ROM playing.
⋅ Supports sample rate of 8 k, 16 k, 32 k, 11.025 k, 22.05 k, 44.1 k, 12 k, 24 k and 48 kHz.
⋅ Supports bit rate of 8 to 320kbps and VBR (Variable Bit Rate).
⋅ Supports AACTAG (iTunes Meta-data and 3GP Meta-data).
(Up to 128 bytes can obtain for album, artist, title and genre, respectively.)
*For files other than those encoded by iTunes, sound interruption may occur when skipping or forwarding to the next
tune if streams such as gaps and video data are contained in the file.
15. WAV play
⋅ Supports WAV format.
⋅ Supports sample rate of 8 k, 16 k, 32 k, 11.025 k, 22.05 k, 44.1 k, 12 k, 24 k and 48 kHz.
⋅ Supports 16-bit PCM data.
⋅ Not supports CD-ROM playing.
⋅ Supports RIFF TAG.
(Up to 128 bytes can obtain for album, artist, title and genre, respectively.)
16. Browsing and direct tune selection
⋅ Can analyzes and read other file name in memory while playing the current music.
⋅ Up to 64 bytes can obtain for file name, folder name respectively.
⋅ Supports direct music selection using the analysis data.
17. Repeat and random play
⋅ Supports repeat within the memory, repeat within folder and repeat with single tune.
⋅ Supports random play within the area of ±128 files.
⋅ Can select auto-play of next music or stop playing at the end of current music playing.
18. Play according to play list
⋅ Supports play in the order given in the specified play list within the specified folder.
⋅ Supports extensions of *.m3u and *.pls.
⋅ Supports play lists described in full path of ASCII or SHIFT-JIS.
19. CD-ROM Decoder
⋅ Supports CD-ROM Mode1, Mode2 form1, and Mode2 form2 format.
⋅ Supports CD-ROM ECC and CD-ROM EDC function.
⋅ Supports ISO9660 level 1 and level 2 file systems.
⋅ Supports Remeo and Joliet extension.
⋅ Supports playable folder hierarchies up to 8 hierarchies.
⋅ Supports playable file extension of *. asf, wma for WMA files, mp3, mp2, mp1 for MP3 files.
⋅ Output the interruption signal and status of the required LBN for seeking operation.
⋅ Build in the input data buffer of about 100 kByte. (include file system analysis data)
⋅ Up to 48bytes can obtain for file name, folder name respectively.
20. Read/Write from/to files within memory
⋅ Can read the data from specified file stored in the specified folder within the memory.
⋅ Can write the data to specified file in the specified folder within the memory.
21. IPL (Initial Program Download)
⋅ Communicates with a serial FLASH ROM using a SD interface (SPI master I/F).
⋅ Downloads the program data to the internal Program RAM at power ON.
⋅ Serial FLASH ROM supports to 8 bit-Command, 24 bit-ADDRESS, and clock MIN=15MHz by minimum size 2Mbit.
⋅ In the IPL write mode, writes the specified data in USB or SD memory to a serial FLASH ROM.
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/80
TSZ02201-0V2V0E600090-1-2
2012.12.10 Rev.002