AD1812 데이터 시트보기 (PDF) - Analog Devices
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AD1812 Datasheet PDF : 20 Pages
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AD1812
Table I. Codec Transfer 16-Bit Interface, No Byte Swap (P/CINF8 = 0, P/CBSW = 0)*
Format
Word 1 (16-Bit)
MSB
LSB
Word 0 (16-Bit)
MSB
LSB
Mono, 16-Bit
Little Endian
Upper 8 Bits of
Sample 1
Left Channel
Lower 8 Bits of
Sample 1
Left Channel
Upper 8 Bits of
Sample 0
Left Channel
Lower 8 Bits of
Sample 0
Left Channel
Stereo, 16-Bit
Little Endian
Upper 8 Bits of
Sample 0
Right Channel
Lower 8 Bits of
Sample 0
Right Channel
Upper 8 Bits of
Sample 0
Left Channel
Lower 8 Bits of
Sample 0
Left Channel
Mono, 8-Bit
Linear PCM
-Law PCM
A-Law PCM
Sample 3, 8 Bits
Left Channel
Sample 2, 8 Bits
Left Channel
Sample 1, 8 Bits
Left Channel
Sample 0, 8 Bits
Left Channel
Stereo, 8-Bit
Linear PCM
-Law PCM
A-Law PCM
Sample 1, 8 Bits
Right Channel
Sample 1, 8 Bits
Left Channel
Sample 0, 8 Bits
Right Channel
Sample 0, 8 Bits
Left Channel
Mono, 4-Bit
IMA-ADPCM
Sample 7,
4 Bits
Left
Channel
Sample 6,
4 Bits
Left
Channel
Sample 5,
4 Bits
Left
Channel
Sample 4,
4 Bits
Left
Channel
Sample 3, Sample 2,
4 Bits
4 Bits
Left
Channel
Left
Channel
Sample 1, Sample 0,
4 Bits
4 Bits
Left
Channel
Left
Channel
Stereo, 4-Bit
IMA-ADPCM
Sample 3,
4 Bits
Right
Channel
Sample 3,
4 Bits
Left
Channel
Sample 2,
4 Bits
Right
Channel
Sample 2,
4 Bits
Left
Channel
Sample 1, Sample 1,
4 Bits
4 Bits
Right
Channel
Left
Channel
Sample 0, Sample 0,
4 Bits
4 Bits
Right
Left
Channel Channel
Mono, 16-Bit
Big Endian
Lower 8 Bits of
Sample 1
Left Channel
Upper 8 Bits of
Sample 1
Left Channel
Lower 8 Bits of
Sample 0
Left Channel
Upper 8 Bits of
Sample 0
Left Channel
Stereo, 16-Bit
Big Endian
Lower 8 Bits of
Sample 0
Right Channel
Upper 8 Bits of
Sample 0
Right Channel
Lower 8 Bits of
Sample 0
Left Channel
Upper 8 Bits of
Sample 0
Left Channel
*Regardless of the data format used, the AD1812’s codec always transfers 32 bits of data (two 16-bit words).
IOR/IOW
DATA (15:0)
tSTW
tBWDN
tSTW
WORD 0
WORD 1
Figure 5. Codec Transfers 16-Bit Interface
–6–
REV. 0
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