bu94604kv ROHM Co. Ltd., bu94604kv Datasheet

bu94604kv

Manufacturer Part Number

bu94604kv

Description

Usb Host Aac+wma+mp3 Decoder Lsi

Manufacturer

ROHM Co. Ltd.

Datasheet

1.BU94604KV.pdf (5 pages)

Current page: 1 of 5
Download datasheet (144Kb)

◇Structure

◇Product name

◇Type

◇Applications

◇Functions

◇

Operating conditions (Ta = 25℃)

Absolute maximum ratings (Ta = 25℃)

Supply voltage(Analog, I/O)

Input voltage

Storage temperature range

Operating temperature range

Power dissipation *1

Supply voltage(Analog, I/O)

*1：In the case of use at Ta=25℃ or more, 7.5mW should be reduced per 1℃.

Radiation resistance design is not arranged.

Parameter

・Protocol conversion from I2C to USB HID or from USB HID to I2C.

・SD card I/F function contained.

・ I

・ FAT analysis function contained.

・ 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)

・Sample Rate Converter contained.

・ System Controller contained.

・ LED Controller contained.

・ KEY matrix Controller contained.

・ Stand Alone mode contained.

・ External processor can control.

・ Audio DAC contained.

・ Sound Effect function contained.

・ Digital Audio Out(I

・ File Name, Folder Name Sorting.

・ ID3TAG and WMATAG and AACTAG Analysis.

・ Reading a specified file data is possible from USB memory.

・ LUN is selectable.

・ Regulator for internal CORE power supply contained.

・ VQFP64pin(0.5mm pitch)

・USB2.0 Full Speed host I/F function contained.

audio DAC, system controller, regulator for internal CORE power supply.

Silicon Monolithic integrated circuit

USB host AAC+WMA+MP3 Decoder LSI

BU94604KV

Audio products, etc.

BU94604KV is AAC+WMA+MP3 decoder IC which contains USB host and SD card I/F,

C I/F function contained.

VDD1MAX

Symbol

VDD1

TSTG

TOPR

VIN

S, S/PDIF) function contained.

-0.3 ～ VDD1 + 0.3

REV. B

-0.3～4.5

-55～125

3.0～3.6

-40～85

Limits

750

Unit

℃

DVDDIO,VDD_PLL,

DVDDIO, VDD_PLL,

DAVDD, AVDDC

Comment

1/4

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bu94604kv Summary of contents

Page 1

... BU94604KV ◇Applications Audio products, etc. ◇Functions BU94604KV is AAC+WMA+MP3 decoder IC which contains USB host and SD card I/F, audio DAC, system controller, regulator for internal CORE power supply. ・USB2.0 Full Speed host I/F function contained. ・Protocol conversion from I2C to USB HID or from USB HID to I2C. ...

Page 2

Ta=25℃、VDD1=3.3V, DVSS=AVSSC=VSS_PLL=DAVSS=0V, XIN_PLL=16.9344MHz） Parameter Symbol <Total > Circuit current (VDD1 USB1) IDD1USB1 Circuit current (VDD1 SD1) IDD1SD1 <Digital block> H-Level input voltage VIH L-Level input voltage VIL H-Level output voltage1 VOH1 L-Level output voltage1 VOL1 H-Level ...

Page 3

Terminals No. Name 1 RESETX 2 SEL_SLAVE 3 SEL_MP3 4 SEL_DOUT 5 SEL_VOL 6 SEL_APLAY 7 SEL_UTPKT 8 IRPTO 9 TEST2 10 KEY_ROW1/MCHNG 11 KEY_ROW2/BUSY 12 KEY_ROW3/SCL 13 KEY_ROW4/SDA 14 KEY_COL1/A0 15 KEY_COL2/A1 16 KEY_COL3/SEL_SMAN 17 TEST3 18 ...

Page 4

... External dimensions Block diagram 12.0±0.2 10.0±0 BU94604KV Lot No 1.25 1 PIN mark 0.5±0.1 +0.05 0.2 -0.04 Figure 1. External dimension ◇Caution （１） Power on Reset Please keep the terminal RESETX at the Low level when the power supply starts. After completely starting up 3.3V system power supply, afterwards, please make the terminal RESETX High level after 5us after the oscillation of the system clock is steady ...

Page 5

No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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