参数资料
型号: TLV320AIC23BIPWRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO28
封装: PLASTIC, TSSOP-28
文件页数: 18/41页
文件大小: 260K
代理商: TLV320AIC23BIPWRQ1
38
LRCIN/
BCLK
DIN/
n
n1
0
1
n1
n
1/fs
Left Channel
Right Channel
1
0
n
MSB
LSB
LRCOUT
DOUT
Figure 36. Left-Justified Mode Timing
3.3.1.3 I2S Mode
In I2S mode, the MSB is available on the second rising edge of BCLK, after the falling edge on LRCIN or LRCOUT
(see Figure 3-7).
LRCIN/
BCLK
DIN/
n
n1
0
1
n1
n
1/fs
Left Channel
Right Channel
1
0
MSB
LSB
1BCLK
LRCOUT
DOUT
Figure 37. I2S Mode Timing
3.3.1.4 DSP Mode
The DSP mode is compatible with the McBSP ports of TI DSPs. LRCIN and LRCOUT must be connected to the Frame
Sync signal of the McBSP. A falling edge on LRCIN or LRCOUT starts the data transfer. The left-channel data consists
of the first data word, which is immediately followed by the right channel data word (see Figure 3-8). Input word length
is defined by the IWL register. Figure 38 shows LRP = 1 (default LRP = 0).
LRCIN/
BCLK
DIN/
n
n1
0
1
n1
n
Left Channel
Right Channel
1
0
MSB
LSB
MSB
LSB
LRCOUT
DOUT
Figure 38. DSP Mode Timing
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