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AT83SND1CXXX-ROTUL 데이터시트(PDF) 70 Page - ATMEL Corporation

부품명 AT83SND1CXXX-ROTUL
상세설명  Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface
PDF  212 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT83SND1CXXX-ROTUL 데이터시트(HTML) 70 Page - ATMEL Corporation

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70
4109J–8051–10/06
AT8xC51SND1C
Reset Value = 0000 0001b
Table 64. MP3DAT Register
MP3DAT (S:ACh) – MP3 Data Register
Reset Value = 0000 0000b
Table 65. MP3STA1 Register
MP3STA1 (S:AFh) – MP3 Decoder Status Register 1
Reset Value = 0001 0001b
Table 66. MP3ANC Register
MP3ANC (S:ADh Read Only) – MP3 Ancillary Data Register
2 - 1
MPFS1:0
Frequency Sampling Bits
Refer to Table 61 for bits description.
0
MPVER
MPEG Version Bit
Set by the MP3 decoder when the loaded frame is a MPEG I frame.
Cleared by the MP3 decoder when the loaded frame is a MPEG II frame.
7654
3210
MPD7
MPD6
MPD5
MPD4
MPD3
MPD2
MPD1
MPD0
Bit
Number
Bit
Mnemonic
Description
7 - 0
MPD7:0
Input Stream Data Buffer
8-bit MP3 stream data input buffer.
7654
3210
-
-
-
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.
7654
3210
AND7
AND6
AND5
AND4
AND3
AND2
AND1
AND0
Bit
Number
Bit
Mnemonic
Description



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