參數(shù)資料
型號: TLV320DAC3101IRHBR
廠商: TEXAS INSTRUMENTS INC
元件分類: DAC
英文描述: DAC WITH PROGRAMMABLE PLL, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù): 56/100頁
文件大小: 1281K
代理商: TLV320DAC3101IRHBR
LD(n)
LD(n+1)
WORD
CLOCK
BIT
CLOCK
DATA
-
1
-
2
-
3
2
1
0
3
-
1
-
2
-
3
2
1
0
3
-
1
-
2
N N
N
N N
N
N N
N
-
3
RD(n)
LEFT CHANNEL
RIGHT CHANNEL
LD(n)=n'thsampleofleftchanneldata
RD(n)=n'thsampleofrightchanneldata
LD(n)
LD (n+1)
BIT
CLOCK
DATA
-
1
-
2
-
3
2
1
0
3
-
1
-
2
-
3
0
3
2
1
-
1
-
2
N N N
-
3
RD(n)
WORD
CLOCK
LEFT CHANNEL
RIGHT CHANNEL
LD(n)=n'thsampleofleftchanneldata
RD(n)=n'thsampleofrightchanneldata
LD(n)
LD(n+1)
BIT
CLOCK
DATA
-
1
-
2
-
3
2
1
0
3
-
1
-
2
-
3
0
3
2
1
-
1
-
2
N N N
-
3
RD(n)
WORD
CLOCK
LEFT CHANNEL
RIGHT CHANNEL
LD(n)=n'thsampleofleftchanneldata
RD(n)=n'thsampleofrightchanneldata
www.ti.com
SLAS666 – JANUARY 2010
Figure 5-29. Timing Diagram for I2S Mode With Offset = 0 and Bit Clock Inverted
For I2S mode, the number of bit clocks per channel should be greater than or equal to the programmed
word length of the data. Also, the programmed offset value should be less than the number of bit clocks
per frame by at least the programmed word length of the data.
5.7.1.4
DSP Mode
The audio interface of the TLV320DAC3101 can be put into DSP mode by programming page 0 /
register 27, bits D7–D6 = 01. In DSP mode, the falling edge of the word clock starts the data transfer with
the left-channel data first and immediately followed by the right-channel data. Each data bit is valid on the
falling edge of the bit clock.
Figure 5-30. Timing Diagram for DSP Mode
Figure 5-31. Timing Diagram for DSP Mode With Offset = 1
Copyright 2010, Texas Instruments Incorporated
APPLICATION INFORMATION
59
Product Folder Link(s): TLV320DAC3101
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