BU94605AKV Datasheet, PDF (71/84 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card +CD-ROM+MP3 Record

BU94605AKV BU94607AKV BU94702AKV BU94705AKV
Datasheet
0x37
0x38
-
0x13F
0
MEMINFO 7:4
3
2
1
0
COMAREA 7:0
CDROMON
MEMINFO
0
0
IRPTOINT
IRPTODEVICE
COMAREA
CD-ROM mode effective/invalid 0;invalid , 1;effective
Memory device information chosen now
0
0
Interrupt packet existence flag 0;Nothing, 1;with a packet
Device with two or more Config(s) 0:Config singular number, 1:Config
plurality
Data common area The contents change with status read-out
commands.
(When read-out exceeding OFFSET=0x140 is performed, OFFSET does
not return to 0x00, but the value read becomes unfixed)
*1 BU94702AKV and BU94705AKV only.
Command name
Table 34. Status Output Commands
Comma Com
nd
mand
Status STATUS
Byte
length
1st
2nd 3rd
4th
number
of output
bytes
READ_BUFF
READ_STATUS
・Output the arbitrary number data of bytes from the OFFSET position
4
0x6C 0x00 N
M
Arbitrary
where the status register map was specified.
・OFFSET is 3rd and 4^th byte. It is specified as a byte by Little Endian (M,
N= 0x00, 0x00 to 0x01, 0xFF).
4 0x6D 0x00 0x00 0x00
6
・Output about internal status.
・Output about OFFSET 0x00-0x05 of a status buffer.
READ_PSET
READ_PTIME
READ_LANG
READ_PNUM
READ_TNUM
READ_FNUM
READ_PFILE_NAM
E
4 0x6D 0x00 0x01 0x00
4
・Output about setting information.
・Output about OFFSET 0x06-0x09 of a status buffer.
4 0x6D 0x00 0x02 0x00
・Output about Playing time information.
・Output about OFFSET 0x0A-0x0F of a status buffer.
6 ^{・The playing time that can be acquired when the MP3 file playing might}
shift at the fast-forwarding, the rewinding, and the VBR playing. The
change in time might be not constant the playing time that can be acquired
when the low bit rate file playing.
4 0x6D 0x00 0x02 0x01
2
・Output about TAG character code information.
・Output about OFFSET 0x10-0x11 of a status buffer.
・Output about the number under Playing.
・Output about OFFSET 0x12-0x1B of a status buffer.
4 0x6D 0x00 0x02 0x02 10 _{・An exact value of file and folder number in the memory cannot be}
acquired when music is specified by cursor or access data, such as a
PLAY_CURSOR command.
・Output about the file in a memory, and the number of folders.
4 0x6D 0x00 0x02 0x03 6 ・Output about OFFSET 0x1C-0x21 of a status buffer.
・It becomes 0 excluding PLAYER MODE.
4 0x6D 0x00 0x02 0x04 4 ・Output the number of files which is in a folder during the present Playing.
4 0x6D 0x00 0x03 N
・Output the file name of the file of the +Nth file during the present Playing.
・Specify N from 0x00 to SET_PLAYINFO_NUM setting value. N=0x00 is
the present file. Any other settings will not accept the command.
130 ・Output is enabled only when the Nth file is within the same folder where
the one being played resides. If the Nth file is in a different folder, “0” is
output
・Output data has the prepositive data ID (2 bytes). *2
READ_PFOL_NAM
E
4
0x6D 0x00 0x04 0x00
130
・Output the folder name of the file being played.
・Output data has the prepositive data ID (2 bytes). *2
READ_PFILE_TAG
4 0x6D 0x00 0x05 N
・Outputs the data which is written to TAG of the file being played.
・Specify TAG type with 0xN at the 4^th bytes. Select N at the 4^th byte from
130
the following. Any other settings will not accept the command.
N=0x00: TITLE , N=0x01: ARTIST ,
N=0x02: ALBUM , N=0x03: GENRE
・Output data has the prepositive data ID (2 bytes). *2
READ_RESUME_IN
FO
4
0x6D 0x00 0x06 0x00
42
・Outputs the data required to execute resume play.
・The data is output in Little Endian format.
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
71/80
TSZ02201-0V2V0E600090-1-2
2012.12.10 Rev.002