BU94603KV-E2 ROHM Semiconductor, BU94603KV-E2 Datasheet

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BU94603KV-E2

Manufacturer Part Number
BU94603KV-E2
Description
Interface - CODECs USB HOST MP3 DECODER
Manufacturer
ROHM Semiconductor
Type
USB Audio Decoderr
Datasheet

Specifications of BU94603KV-E2

Rohs
yes
Conversion Rate
48 kSPs
Interface Type
I2C
Number Of Dacs
3
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
VQFP-64
Minimum Operating Temperature
- 40 C
Snr
96 dB
Supply Current
65 mA
Thd Plus Noise
0.02 %

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USB Audio Decoder ICs
MP3+SD Memory Card
●Description
●Features
●Applications
© 2012 ROHM Co., Ltd. All rights reserved.
www.rohm.com
BU94603KV
BU94603KV 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.
Audio products, etc.
10) LED Controller contained.
11) KEY matrix Controller contained.
12) Stand Alone mode contained.
13) External processor can control. (Slave mode)
14) Audio DAC contained.
15) Sound Effect function contained.
16) Digital Audio Output(I
17) File Name, Folder Name Sorting.
18) ID3TAG and WMATAG and AACTAG Analysis.
19) Reading a specified file data is possible from USB memory.
20) LUN is selectable.
21) Regulator for internal CORE power supply contained.
22) VQFP64pin(0.5mm pitch)
1) USB2.0 Full Speed host I/F function contained.
2) SD card I/F function contained.
3) I
4) FAT analysis function contained.
5) MP3 decode function contained. (available for MPEG1, 2 and 2.5, Layer 1, 2 and 3)
6) WMA decode function contained. (available for WMA9 standard and not available for DRM)
7) AAC decode function contained. (available for MPEG4 AAC-LC and not available for DRM)
8) Sample Rate Converter contained.
9) System Controller contained.
2
C I/F function contained.
2
S, S/PDIF) function contained.
1/60
BU94603KV
2012.07 - Rev.B
No.12080EBT02

Related parts for BU94603KV-E2

BU94603KV-E2 Summary of contents

Page 1

... USB Audio Decoder ICs MP3+SD Memory Card BU94603KV ●Description BU94603KV 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. ●Features 1) USB2.0 Full Speed host I/F function contained card I/F function contained I/F function contained. ...

Page 2

... BU94603KV ●Absolute maximum ratings (Ta = 25℃) Parameter Supply voltage(Analog, I/O) Input voltage Storage temperature range Operating temperature range Power dissipation *1 *1:In the case of use at Ta=25℃ or more, 7.5mW should be reduced per 1℃. Radiation resistance design is not arranged. ●Operating conditions (Ta = 25℃) Parameter Supply voltage(Analog, I/O) www ...

Page 3

... BU94603KV I. Electrical characteristics (Unless specified, 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 ...

Page 4

... BU94603KV II. Block diagram LED_ERROR/TEST9 50 LED_PLAY/TEST10 LED_PSD/TEST11 51 52 LED_PUSB/TEST12 LED_ACCESS/LRCK 53 /SPDIF LED_RANDOM/BCK 54 55 LED_REPEAT/DATA 56 TEST13 57 DVDD_M1 LDO TEST14 58 59 TEST15 60 TEST16 61 TEST17 DVSS 62 63 TMODE 64 DVDDIO 1 2 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved PLL Audio DAC ...

Page 5

... BU94603KV III. Description of Terminals STAND ALONE MODE(MODE1) Pin I/O Pull-Up/ Signal Name Cir I/O No. Down 1 RESETX SEL_SLAVE B I PU(*1) H: STAND ALONE, L:SLAVE PU(*1) H: PLAY MP3 ONLY, 3 SEL_MP3 SEL_DOUT B I PU(*1) PU(*1) H: Volume control valid, 5 SEL_VOL B I PU(*1) H: Auto Play OFF , 6 SEL_APLAY B I PU(*1) H: Normal Operation 7 SEL_UTPKT ...

Page 6

... BU94603KV 39 TEST_PLL - XIN_PLL XOUT_PLL VSS_PLL - - - 43 DAVSS - - - 44 RDACO VCDACO LDACO DAVDD - - - 48 AMUTE LED_ERROR LED_PLAY LED_PSD LED_PUSB 53(*3) LED_ACCESS 54(*3) LED_RANDOM 55(*3) LED_REPEAT TEST13 - DVDD_M1 - - - 58 TEST14 TEST15 - TEST16 - ...

Page 7

... BU94603KV IV. Terminal equivalent circuit diagram A DVDDIO DVDDIO DVSSIO E VDD_PLL VDD_PLL XIN XOUT VSS_PLL VSS_PLL I www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved DVDDIO DVDDIO 15KΩ AVSSC DVSSIO F G DVDDIO DAVDD DVSSIO DAVSS I/O terminal equivalent circuit diagram 7/60 Technical Note ...

Page 8

... BU94603KV V. Major function · BU94603KV is 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 device having a USB I memory card. All the operations required before the data can be output to audio devices are incorporated into one chip. ...

Page 9

... BU94603KV V.6 MP3 decoder · Supports MPEG audio 1, 2 and 2.5. · Supports Layer 1, 2 and 3. · Supports sample rates 8k, 16k, 32k, 11.025k, 22.05k, 44.1k, 12k, 24k and 48kHz. · Supports bit rate 8 to 320 kbps and VBR (Variable Bit Rate). *Except free format. ...

Page 10

... BU94603KV · Sound volume operation selection (SEL_VOL=H: volume adjustable, L: volume not adjustable MAX output) · Selects operation at power ON to check device (SEL_APLAY=H: stop, L: play). *Enabled in MODE 1 only. · Selects MODE2 or MODE3 (SEL_SMAN=H: MODE2, L: MODE3). *Enabled in MODE 2/3 only. V.15 File Read function in USB memory · ...

Page 11

... BU94603KV VI. I/O Signal Specifications VI.1 Clock and reset Clock Signal name I/O X’tal (16.9344 MHz) connection XIN_PLL I input terminal O X’tal (16.9344 MHz) connection XOUT_PLL terminal Reset Signal name I/O RESETX I System reset input terminal To disable a reset signal, continue L input for more than 5 us after all of the supply voltage reach the specified value and clock input from the oscillation I/O terminal becomes stable ...

Page 12

... BU94603KV VI.4 SEL_DOUT Audio output selection signal Signal name I/O SEL_DOUT I Audio output selection This SEL_DOUT selects audio output signal. Table VI.4.1 “Audio output” shows the audio outputs for each MODE. 2 Also table VI.4.2 ”I S_fs” shows the I For command, see Chapter VII. ...

Page 13

... BU94603KV VI.6 SEL_APLAY Auto play selection signal at power ON/device recognition Signal name I/O Auto play selection signal at SEL_APLAY I device recognition SEL_APLAY selects whether the audio data in the memory automatically played when a memory device (USB memory or SD card) is inserted at power ON or when the system recognizes the memory device inserted. ...

Page 14

... BU94603KV VI.10 KEY input format 3x4 matrix command input Signal name I/O KEY_ROW1 I KEY_ROW2 I KEY_ROW3 I KEY_ROW4 I KEY matrix I/O signal KEY_COL1 O KEY_COL2 O KEY_COL3 O Configure a circuit for the matrix signals terminals for KEY commands as shown in the applied circuit diagram VI.10. The operation corresponding to the key pressed over the circuit is performed. ...

Page 15

... BU94603KV VI.11.2 Slave address bus slave address corresponds to the 7-bit addressing mode. As shown in Table VI.11.2, you can select the slave address using input of A0 terminal and A1 terminal. Figure VI.11.2 shows the slave address transfer format. Start condition MSB VI.11.3 Write protocol from master To send a master command using an I each command, see Chapter VII ...

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... BU94603KV Step1 S Slave Address Step2 S Slave Address From Master to Slave From Slave to Master I2C Step1 command S BUSY Step1 command Figure VI.11.4.2 Relationship between Transfer Data and BUSY 2 VI.11 Bus line electrical specification and timing SDA and SCL bus-line characteristic (Unless specified, Ta=25℃, Vcc=3.3V) ...

Page 17

... BU94603KV SDA t BUF SCL VI. format serial audio interface Signal name I/O 2 LRCK Bit clock output (fs=44.1kHz BCK Bit clock output 2 DATA data output This is digital audio interface terminal. By inputting L to SEL_DOUT terminal, the interface terminal becomes enabled ...

Page 18

... BU94603KV LRCK Vol Tlrck1 BCK Vol DATA VI.13 SPDIF format SPDIF format Signal name I/O SPDIF O SPDIF output SPDIF output becomes enabled by setting SEL_DOUT terminal to L and setting this condition using the I command. *See Chapter VI.4. Figure VI.13 shows the SPDIF digital audio signal output format. ...

Page 19

... BU94603KV VI.13.1 SPDIF Timing Load:20pF Parameter SPDIF Clock Frequency SPDIF Clock High time SPDIF Clock Low time Output High Voltage Output Low Voltage bit is set the number of “1s” of source codes 4-30 is odd, and set the number is even. Therefore, the number of source codes which turn to 1 for one data must be an odd value, SPDIF ends with L output and preamble output always starts in the same direction ...

Page 20

... BU94603KV VI.15 SD I/F SPI interface for SD memory card I/F Signal name I/O SD_CS O SPI chip select SD_CLK O SPI clock SD_DI O SPI data input SD_DO I SPI data output SD card connect detection SD_CON I terminal These I/F enable communication with SD memory cards through SD memory card slots. Since SD memory card slot requires detecting insertion of SD memory card, use of slot equipped with SD memory card detecting terminal and connection to SD_CON terminal are required ...

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... BU94603KV VI.17 BUSY BUSY state detection output Signal name I/O O BUSY state detection output BUSY signal This signal outputs to indicate that this LSI is in BUSY. BUSY signal analyzes commands from the master and outputs H until the operation is executed. This LSI ignores command input during BUSY. ...

Page 22

... BU94603KV VII. Function/Operation Explanation VII.1 File detection VII.1.1 Function · This function supports FAT16 and FAT32 file systems. (It does not support NTFS and FAT12.) · The maximum number of playable files per folder FAT16 FAT32 The number of files described above contains files other than AAC/WMA/MP3 and folders. If those non- AAC/WMA/MP3 files and folders exit within the folder and exceed the maximum number, all the AAC/WMA/MP3 files may not be played ...

Page 23

... BU94603KV VII.1.2 Playable file The playable file extensions are *.M4A, *.3GP and *.MP4 for AAC files, *.WMA and *.ASF for WMA files, *.MP3, *.MP2 and *.MP1 for MP3 files. (Upper case letters and lower case letters are not distinguished.) Note that the file operation differs in the following cases: (1) SEL_MP3: See SEL_MP3 for details ...

Page 24

... BU94603KV A.mp3 [Root B.mp3 Folder] C.mp3 Figure VII.1.3 Configurations of Folders and Files within Memory Device Table VII.1.3 MP3 File Playing Sequence for Folder/File Configuration as in Figure VII.1.3 Playing sequence www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. ...

Page 25

... BU94603KV VII.1.5 Search within multi-drive and multi-partition If a device is a multi-drive type or multi partition type, the LSI can recognize the drive by selecting LUN (Logical Unit Number) for the supporting FAT. (MODE2 and MODE3) If particular LUN isn’t selected, the LSI mounts the device whose LUN detected first. (default) When the multi-card reader is connected, the LSI can recognize device which connected to the card-reader by selecting LUN. But after the device is mounted, it’ ...

Page 26

... BU94603KV (6) When Hold Mode is detected, the master starts the KEY operation in Hold Mode. When KEY release is detected in Hold Mode, the master finish the KEY operation. The keys corresponding to Hold Mode are FF, FB, VOL+, and VOL-. Figure VII.2.3 KEY SCAN Waveform. Note 1: Based on the above sequence, the master determines that KEY is pressed and starts the operation of the pressed KEY, pressing multiple KEYs at the same time will produce different operations depending on the KEY combinations ...

Page 27

... BU94603KV VII.2.1.3 KEY operation Table VII.2.1.2.1 shows the types and operations of KEYs. Table VII.2.1.2.2 shows enabled/disabled states of KEY operations. Table VII.2.1.2.1 KEY Commands and Operation Description KEY COMMAND · When receiving “PLAY/PAUSE” key during stop, the master starts playing the first MP3 file sorted to the recognized device ...

Page 28

... BU94603KV · The master selects the device between USB memory and SD memory card this, both devices should be connected or one device should correspond to the other (USB USB). Otherwise, this key operation is ignored. CHNG_DEV · Stop after selecting the device at the top tune of the device. ...

Page 29

... BU94603KV VII.3 MODE2 VII.3.1 Command operation You can operate commands via the I SEL_SLAVE to L. The length of command to be sent varies depending on which command is selected. Table VII.3.1.1 shows the command specifications. Table VII.3.1.2 shows enabled/disabled state of each command. Command Command name byte length ...

Page 30

... BU94603KV SET_RESUME_ 0x41 INFO1 SET_RESUME_ 0x42 INFO2 SET_RESUME_ 0x43 INFO3 SET_RESUME_ 0x44 INFO4 SET_RESUME_ 0x45 INFO5 SET_RESUME_ 0x46 INFO6 8 0x51 SET_RESUME_ 0x47 INFO7 SET_RESUME_ 0x48 INFO8 FF 0x01 FF&PLAY 4 0x55 FFP_ON FFP_OFF FB 0x02 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. RESUME INFO · ...

Page 31

... BU94603KV FB&PLAY FBP_ON FBP_OFF FOL+ 0x03 FOL+&PLAY FOL- 0x04 FOL-&PLAY +10 0x05 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. ·· When receiving “FB&PLAY” command during play, pause or stop within 1sec from top of file playing, the master searches the previous AAC/WMA/MP3 file in the order of sort of files being played or paused. When receiving “ ...

Page 32

... BU94603KV +10&PLAY -10 0x06 -10&PLAY USB_MNT_R 4 0x5D 0x0B EADY SET_DOUT 4 0x51 0x20 0x00 0x01 0x02 0x03 0x04 0x05 SET_EQ 0x07 * See Chapter 2 0x52 0x08 VII.3.3. 0x09 0x0A 0x0B 0x0C 0x0D 0x0F Setting SET_VOL 2 0x53 value www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. ...

Page 33

... BU94603KV 0x00 0x01 0x02 0x03 REPRAND 2 0x54 0x04 0x05 0x06 0x07 0x00 SEL_ID3 2 0x56 0x01 0x00 SEL_TOC 2 0x57 0x01 0x00 SEL_12MOUT 2 0x58 0x01 0x00 SEL_WDT 2 0x5A 0x01 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. · This command repeats all the tunes within the memory. This is initially set ...

Page 34

... BU94603KV 0x00 SET_RPM 6 0x5B SET_RPM_ATT 4 0x5B 0x01 SET_UPLOAD 8 0x51 0x51 _FILE1 SET_UPLOAD_ 8 0x51 0x52 FILE2 UPLOAD_END 2 0x51 0x53 SET_TOUT_M 4 0x5D 0x07 SET_TOUT_C 4 0x5D 0x08 SET_USB_R_W 4 0x5D 0x09 AIT GET_ VENDOR 2 0x5F 0x16 FORCE_DISC 2 0x5D 0x02 ON_USB FORCE_CON 2 0x5D 0x0A _USB www.rohm.com © ...

Page 35

... BU94603KV FORCE_DISC 4 0x5D 0x0C ON_SD FORCE_CON 4 0x5D 0x0C _SD SET_LUN 4 0x5D 0x0D RESET_LUN 2 0x5D 0x0E www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. Force SD memory to be disconnected, which Mount ERROR occurred 0x01 0x00 Mounts SD memory 0x00 0x00 FORCE_DISCON_SD command. LUN, which USB memory mounts, is specified. ...

Page 36

... BU94603KV Table VII.3.1.2 Command Enabled/Disabled in Various States After recognizing device, search or pause Recognize Recognize either USB either USB PLAY ○ PAUSE × STOP × VOL+ ○ VOL- ○ REPEAT ○ RANDOM ○ CHNG_DEV × ABORT × SET_RESUME_ ○ INFO1-8 FF ○ ...

Page 37

... BU94603KV FORCE_DISCON_USB ○ ○ FORCE_CON_USB × × FORCE_DISCON_SD × × FORCE_CON_SD × × SET_LUN ○ ○ RESET_LUN ○ ○  = Enabled  = Disabled www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. ○ ○ ○ ○ × × × × × × ...

Page 38

... BU94603KV VII.3.2 Status output The operation information, such as internal status, play time information, folder information, file information, ID3Tag information, AACTag information and WMATag information, is output using an I Statuses as shown in Table VII.3.2.1 MODE 2 Status Register Map are output. The status register has a ring buffer structure of OFFSET 0x00-0x7F. The OFFSET position is automatically incremented after reading byte data ...

Page 39

... BU94603KV 0x09 DOUTINF 0x0A PFOLNL 0x0B PFOLNH 0x0C PFILENL 0x0D PFILENH 0x0E PSEC 0x0F PMIN 0x10 TFOLUSBL 0x11 TFOLUSBH 0x12 TFILEUSBLL 0x13 TFILEUSBLH 0x14 TFILEUSBHL 0x15 TFILEUSBHH 0x16 TFOLSDL 0x17 TFOLSDH 0x18 TFILESDL 0x19 TFILESDLH 0x1A TFILESDHL 0x1B TFILESDHH 0x1C LANGL ...

Page 40

... BU94603KV 0x20 | COMAREA 0x7F www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. COMAREA Data common area The content varies depending on the status read command. 40/60 Technical Note 2012.07 - Rev.B ...

Page 41

... BU94603KV Command name 1st byte READ_BUFF READ_STATUS READ_PLAY_INFO READ_VOL READ_EQ READ_ID3_TITLE READ_ID3_ARTIST READ_ID3_ALBUM READ_FILE_NAME READ_FOLDER_NAME READ_RESUME_INFO * See Chapter VII.3.4. READ_VERSION READ_FILE_SIZE READ_FILE_DATA READ_LUN www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. Table VII.3.2.2 MODE2 Status Output Commands Command Status output bytes 2nd byte · ...

Page 42

... BU94603KV READ_LUN_NUM READ_SET_LUN *1:BOM(Byte Order Mark) might enter two head bytes according to ID3 data. Status register outputs byte data by "Big Endian" format when WMA tag reading. Table VII.3.2.3 Command Enabled/Disabled in Various States READ_BUFF READ_STATUS READ_PLAY_INFO READ_VOL READ_EQ READ_ID3_TITLE READ_ID3_ALBUM READ_ID3_ARTIST READ_FILE_NAME ...

Page 43

... BU94603KV VII.3.3 Equalizer You can select 5 types of equalizer and 2 types of BassBoost for the audio line output using a command (see Table VII.3.3.1). Combination of equalizer and BassBoost1 is available. Clipping may occur by the combination of volume and equalizer setting. Equalizer setting is enabled even when line output is not selected. No change of sound quality by the equalizer is found in digital outputs ...

Page 44

... BU94603KV - -10 10 Figure VII.3.3.4 CLASSIC Frequency Characteristics www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. Rock 100 1000 Freq.(Hz) Figure VII.3.3.3 ROCK Frequency Characteristics Classic 100 1000 Freq.(Hz) 44/60 Technical Note ROCK(0x52, 0x03) ROCK+BassBoost1(0x52, 0x0B) ...

Page 45

... BU94603KV - -10 10 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. R&B 100 1000 Freq.(Hz) Figure VII.3.3.5 R&B BassBoost 100 1000 Freq.(Hz) Figure VII.3.3.6 BassBoost 45/60 Technical Note R&B(0x52, 0x05) R&B+BassBoost1(0x52, 0x0D) 10000 100000 ...

Page 46

... BU94603KV VII.3.4 Resume information This LSI outputs the information required to implement the resume function using the “READ_RESUME_INFO” command. Table VII.3.4 shows the resume information status register structure. Table VII.3.4 Resume Information Register Structure i. Resume Information data : Shows the file’s information and play’s information now. ...

Page 47

... BU94603KV VII.4 MODE3 MODE3 specifies and plays the AAC/WMA/MP3 file to be played by the master microcomputer by outputting the AAC/WMA/MP3 file/folder status information, written to USB memory or SD memory card, to the master microcomputer. VII.4.1 Command operation The LSI sends commands to obtain the file/folder information in USB memory or SD memory card, to analyze ID3Tag, to analyze WMATag, to analyze AACTag, and to set a file to be played and start playing it ...

Page 48

... BU94603KV PLAY_DIRECT USB_MNT_READ 4 0x5D 0x0B 0x01 0x00 Y SET_DOUT 4 0x51 SET_NUMBER 6 SET_RESUME_ INFO1 SET_RESUME_ INFO2 SET_RESUME_ INFO3 SET_RESUME_ INFO4 SET_RESUME_ INFO5 8 0x51 SET_RESUME_ INFO6 SET_RESUME_ INFO7 SET_RESUME_ INFO8 SET_EQ *See Chapter 2 0x52 VII.3.3. www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. · This command starts playing the AAC/WMA/MP3 file set by SET_DIRECT. · ...

Page 49

... BU94603KV SET_VOL 0x53 FFP_ON FFP_OFF 4 0x55 FBP_ON FBP_OFF SEL_12MOUT 2 0x58 SET_DIRECT 8 0x59 SET_WDT 2 0x5A SET_RPM 6 0x5B 0x00 SET_RPM_ATT 4 0x5B 0x01 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. 0x03 - · ROCK 0x04 - · CLASSIC 0x05 - · R&B 0x07 - · This command turns OFF EQ setting. ...

Page 50

... BU94603KV SET_UPLOAD_ 0x51 0x51 NAME[0:5] 8 FILE1 SET_UPLOAD_ 8 0x51 0x52 FILE2 UPLOAD_END 2 0x51 SET_TOUT_M 4 0x5D SET_TOUT_C 4 0x5D SET_USB_R_WAI 4 0x5D T GET_ VENDOR 2 0x5F FORCE_DISCO 2 0x5D 0x02 N_USB FORCE_CON_ 2 0x5D 0x0A USB FORCE_DISCO 4 0x5D 0x0C 0x01 0x00 N_SD FORCE_CON_S 4 0x5D 0x0C 0x00 0x00 D SET_LUN ...

Page 51

... BU94603KV Table VII.4.2 Command Enabled/Disabled in Various Statuses After recognizing device Recognize either USB or SD  PAUSE  STOP VOL+  VOL-   CHNG_DEV GET_DIRECT  GET_NUMBER  GET_ID3   ABORT PLAY_DIRECT  USB_MNT_READY ○ SET_DOUT  SET_NUMBER  SET_RESUME_  ...

Page 52

... BU94603KV VII.4.2 Status output The LSI outputs the operation information, such as internal status, play time information, folder information, file information ID3Tag information, AACTag information, and WMATag information, using the I The statuses as shown in Table VII.4.2.1 MODE3 status register map are output. There are two methods available: to read a desired number of bytes continuously from the OFFSET position and to read the data by one command without specifying the OFFSET position ...

Page 53

... BU94603KV 0x09 DOUTINF 0x0A PFOLNL 0x0B PFOLNH 0x0C PFILENL 0x0D PFILENH 0x0E PSEC 0x0F PMIN 0x10 TFOLL 0x11 TFOLH 0x12 TFILEL 0x13 TFILEH 0x14 RESFOLL 0x15 RESFOLH 0x16 RESFILEL 0x17 RESFILEH 0x18 SETFOLL 0x19 SETFOLH 0x1A SETFILEL 0x1B SETFILEH 0x1C LANGL ...

Page 54

... BU94603KV Command name 1st byte READ_BUFF READ_STATUS READ_PLAY_INFO READ_VOL READ_EQ READ_ID3_TITLE READ_ID3_ARTIST READ_ID3_ALBUM READ_FILE_NAME READ_FOLDER_NAME READ_RESUME_INFO READ_NUMBER READ_REST_NUM READ_SET_NUM READ_FOLDER_INFO READ_FILE_INFO READ_CLAS READ_VERSION READ_FILE_SIZE READ_FILE_DATA www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. Table VII.4.2.2 MODE3 Status Output Commands Command Status output ...

Page 55

... BU94603KV READ_LUN READ_LUN_NUM READ_SET_LUN *1:BOM(Byte Order Mark) might enter two head bytes according to ID3 data. Status register outputs byte data by "Big Endian" format when WMA tag reading. READ_BUFF READ_STATUS READ_PLAY_INFO READ_VOL READ_EQ READ_ID3_TITLE READ_ID3_ ARTIST READ_ID3_ALBUM READ_FILE_NAME READ_FOLDER_NAME READ_RESUME_INFO READ_NUMBER READ_REST_NUM ...

Page 56

... BU94603KV VII.4.3 Folder information/File information For analysis performed by “GET_DIRECT” command, read 76 bytes from the status register “COMAREA (0x20-0x6B)” using status commands “READ_FOLDER_INFO” and “READ_FILE_INFO”. Each of the status register structures when “READ_FOLDER_INFO” and “READ_FILE_INFO” are sent is shown below. ...

Page 57

... BU94603KV VII.5 Watchdog Timer This system builds Watchdog timer(WDT) function. After RESET, WDT function is enabled on MODE1, MODE2 and MODE3. WDT is enabled always on MODE1. On MODE2 and MODE3, WDT function can disable by command “SET_WDT”(0x5A,0x00). After WDT function is disabled, this function cannot enable until a reset from external pin. ...

Page 58

... BU94603KV ●Notes for use 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 59

... MARK 0.145 0.08 S +0.05 0.2 -0.04 0.08 M 0.5±0.1 ●External dimension 12.0±0.2 10.0±0 BU94603KV Lot No 1.25 1 PIN mark 0.5±0.1 0.08 +0.05 0.2 -0.04 ( UNIT : mm ) www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved Package KV: VQFP64 <Tape and Reel information> Tape Embossed carrier tape (with dry pack) ...

Page 60

... BU94603KV ●Revision history Date Revision 01.Apr.2012 A New Release 03.Jul.2012 B WMA sample rates 12, 24kHz delete SD I/F timing add output timing add SPDIF output timing add AAC off function add Maximum playable file in root directory of FAT32 65536->65535 Error correction www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. ...

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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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