參數(shù)資料
型號: DIR1703E
英文描述: DIGITAL AUDIO INTERFACE RECEIVER
中文描述: 數(shù)字音頻接口接收機
文件頁數(shù): 13/19頁
文件大小: 236K
代理商: DIR1703E
SLES007
JULY 2001
13
www.ti.com
PCM audio interface
The DIR1703 can produce 16-bit or 24-bit output data in standard format and 24-bit output data in IIS format.
The PCM audio interface format of the DIR1703 is selected using the format pins FMT1, FMT0. Table 7 shows
the FMT pin configuration.
Table 7. Audio Output Data Format Select
FMT1
FMT0
AUDIO DATA FORMAT
LOW
LOW
16 bit MSB first, Right justified
LOW
HIGH
24 bit MSB first, Right justified
HIGH
LOW
24 bit MSB first, Left justified
HIGH
HIGH
24 bit IIS
22 23 24
14 15 16
MSB
2
1
LSB
15 16
MSB
2
1
LSB
23 24
MSB
2
1
LSB
23 24
MSB
2
1
LSB
15 16
MSB
2
1
LSB
23 24
MSB
2
1
LSB
23 24
1
MSB
2
1
LSB
23 24
MSB
2
1
LSB
23 24
1/fS
L
Channel
R
Channel
LRCKO
BCKO
Right Justified
Audio Data Word = 16
Bit
Right Justified
Audio Data Word = 24
Bit
Left Justified
Audio Data Word = 24
Bit
LRCKO
BCKO
Audio Data Word = 24
Bit
DOUT
DOUT
DOUT
DOUT
1/fS
L
Channel
R
Channel
Standard Data Format; L
Channel = HIGH, R
Channel = LOW
IIS Data Format; L
Channel = LOW, R
Channel = HIGH
Figure 7. Audio Data Output Format
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