USB Audio Decoder ICs - BU94502AMUV
ROHM's USB Audio Decoder ICs integrate a USB 2.0 host, SD memory card controller, AAC decoder, WMA decoder, MP3 decoder, Audio DAC amp, and a system controller all on a single chip, allowing easy playback of music stored in USB flash memory using an audio player. They can be easily added to virtually any audio device (i.e. CD player, mini-component stereo, portable player, car stereo) for greater functionality.
|* This product is a STANDARD grade product and not recommend for on-vehicle devices.|
|Digital Audio I/F||I2S SPDIF|
|USB||USB2.0 Full Speed|
|SD||MMC SD / miniSD / microSD / SDHC|
|iPod||iPod 5G/iPod nano/iPod classic/iPod touch/iPhone/iPad|
|Display information||Number(Folder, File), Reproduction time, Name(Folder, File), Tag(Artist, Album, Title)|
|MP3||MPEG 1, 2, 2.5 LAYER 1, 2, 3|
|Operating Temperature (Min.)[°C]||-40|
|Operating Temperature (Max.)[°C]||85|
- ・The iPod(I2C) mode which can control a USB device using an I2C-bus <=>USB protocol
conversion function is supported.
・iPod(I2C) mode can be chosen in the slave mode (the following, MODE2) which operates
by command operation from a master microcomputer using the built-in I2C
・The audio signal by ISOCHRONOUS IN transfer function is outputted through a sampling
rate converter automatically.
・Audio line-out, the audio serial 3 line (I2S, EIAJ) output, and the digital audio interface
(SPDIF) output are supported.
・It corresponds to automatic enumeration mode.
・The iPod(UART) mode which can control a USB device using an UART-bus <=>USB
protocol conversion function is supported.