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BU94601KV Datasheet(PDF) 10 Page - Rohm |
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BU94601KV Datasheet(HTML) 10 Page - Rohm |
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10 / 70 page  10/66 Datasheet Datasheet BU94601KV BU94603KV BU94604BKV TSZ02201-0V2V0E600010-1-2 © 2012 ROHM Co., Ltd. All rights reserved. 2012.07.12 Rev.001 www.rohm.com TSZ22111・15・001 ●Description of each block’s movement-part1 · BU94601KV/BU94603KV/BU94604BKV are AAC+WMA+MP3 decoder IC in which a USB host I/F, SD memory card I/F, audio DAC and system control functions are built. Using a KEY or I 2C interface command, the IC reads out a MP3 file written to a memory device having a USB I/F or a SD memory card. All the operations required before the data can be output to audio devices are incorporated into one chip. *BU94601KV supports only MP3. · Supporting STAND ALONE MODE which is enabled by commands entered from the keyboard (hereinafter referred to as MODE1), AUTO SLAVE MODE which is enabled by commands entered from the master microcomputer, same as those entered from the keyboard, via the built-in I 2C interface (hereinafter referred to as MODE2) and MANUAL SLAVE MODE which can send the memory device information to the master microcomputer via the I 2C interface and completely control sequences such as a play sequence by the master microcomputer (hereinafter referred to as MODE3). · I 2C bus <-> USB protocol conversion function built into. *Only MODE2 and MODE3 of BU94604BKV. · Supporting fast forward playing and fast backward playing with music. · Supporting outputs folder names, file names, ID3TAG (V1.0, V1.1 V2.2 V2.3 and V2.4) information and WMA-TAG information and AAC-TAG(iTunes Meta-data) information via the I 2C interface. This function is enabled only in MODE 2 and MODE 3. · Supporting audio line output, digital audio output (I 2S, SPDIF). · Reading a specified file data is possible from USB memory. *Only a file that exists in root folder corresponds. 1. USB host I/F · Builds in the USB Full speed (12 Mbps) HOST control function. · Supports the USB mass storage class. · Convert the protocol from I 2C from USB(HID) and USB(HID) to I2C when communicating with the master microcomputer.* · An isochronous IN transfer function to 192 byte/Frame is built into.* . Interrupt IN transfer function is built into.* . It doesn't correspond to external HUB. * Only the device with two CONFIGURATIONS or more. Only BU94604BKV. 2. SD card I/F · Supports the SPI mode. · Supports the MMC and mini-SD cards. · Supports the SDHC cards. · Supports the SD ver1.01 (file system). · Does not support CPRM. 3. I 2C I/F · Communicates with the master microcomputer using an I 2C interface format. · Supports the standard mode (100 kbps) and fast mode (400 kbps). · Supports a 7-bit address. · Can select four types of slave addresses. 4. Audio output · 1bit-DAC output · Builds in the digital soft mute function. · Supports digital audio output (I 2S, SPDIF). · Builds in sound effects of POPS, JAZZ, ROCK, CLASSIC, R&B and BassBoost.* * Only audio line output is enabled. |
Similar Part No. - BU94601KV_12 |
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Similar Description - BU94601KV_12 |
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