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AT83SND2CMP3B Datasheet(PDF) 71 Page - ATMEL Corporation

No. de pieza AT83SND2CMP3B
Descripción Electrónicos  Single-Chip Flash Microcontroller with MP3 Decoder with Full Audio Interface
PDF  241 Pages
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Fabricante Electrónico  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT83SND2CMP3B Datasheet(HTML) 71 Page - ATMEL Corporation

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71
4341F–MP3–03/06
AT8xC51SND2C/MP3B
Table 13-8.
MP3STA1 Register
MP3STA1 (S:AFh) – MP3 Decoder Status Register 1
Reset Value = 0001 0001b
Table 13-9.
MP3ANC Register
MP3ANC (S:ADh Read Only) – MP3 Ancillary Data Register
Reset Value = 0000 0000b
Table 13-10. MP3VOL Register
MP3VOL (S:9Eh) – MP3 Volume Left Control Register
Reset Value = 0000 0000b
76
543
210
-
-
-
MPFREQ
MPFREQ
-
-
-
Bit Number
Bit
Mnemonic
Description
7 - 5
-
Reserved
The value read from these bits is always 0. Do not set these bits.
4MPFREQ
MP3 Frame Data Request Flag
Set by hardware when MP3 decoder request data.
Cleared when MP3 decoder no more request data .
3MPBREQ
MP3 Byte Data Request Flag
Set by hardware when MP3 decoder request data.
Cleared when writing to MP3DAT.
2 - 0
-
Reserved
The value read from these bits is always 0. Do not set these bits.
76
543
210
AND7
AND6
AND5
AND4
AND3
AND2
AND1
AND0
Bit Number
Bit
Mnemonic
Description
7 - 0
AND7:0
Ancillary Data Buffer
MP3 ancillary data Byte buffer.
76
543
210
-
-
-
VOL4
VOL3
VOL2
VOL1
VOL0
Bit Number
Bit
Mnemonic
Description
7 - 5
-
Reserved
The value read from these bits is always 0. Do not set these bits.
4 - 0
VOL4:0
Volume Left Value
Refer to Table 13-2 for the left channel volume control description.



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