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WM8972LEFL/R データシート(PDF) 30 Page - Wolfson Microelectronics plc

部品番号 WM8972LEFL/R
部品情報  MONO CODEC FOR PORTABLE AUDIO APPLICATIONS
PDF  49 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8972LEFL/R データシート(HTML) 30 Page - Wolfson Microelectronics plc

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WM8972L
Preliminary Technical Data
w
PTD Rev 2.2 June 2004
30
In I
2S mode, the MSB is available on the second rising edge of BCLK following a LRCLK transition.
The other bits up to the LSB are then transmitted in order. Depending on word length, BCLK
frequency and sample rate, there may be unused BCLK cycles between the LSB of one sample and
the MSB of the next.
Figure 15 I
2S Justified Audio Interface (assuming n-bit word length)
In DSP mode, the mono MSB is available on either the 1
st (mode B) or 2nd (mode A) rising edge of
BCLK (selectable by LRP) following a rising edge of LRCLK. Depending on word length, BCLK
frequency and sample rate, there may be unused BCLK cycles between the LSB and the next
sample.
Figure 16 DSP Mode Audio Interface (mode A, LRP=0)
Figure 17 DSP Mode Audio Interface (mode B, LRP=1)



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