WM9714L_06 datasheet(21/94 Pages) WOLFSON

Numer części	WM9714L

Szczegółowy opis	AC 97 Audio CODEC

PDF	94 Pages

Scroll/Zoom	100%

Producent	WOLFSON [Wolfson Microelectronics plc]

Strona internetowa	http://www.wolfsonmicro.com

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21 / 94 page

Pre-Production

WM9714L

PP Rev 3.0 June 2006

PCMFS

PCMCLK

PCMADC/

PCMDAC

n-2 n-1

LSB

MSB

1 PCMCLK

Input Word Length (WL)

1/fs

Figure 6 PCM Interface Mono Mode (mode B, FSP=1)

In DSP mode, the left channel MSB is available on either the 1st (mode B) or 2nd (mode A) rising

edge of PCMCLK (selectable by FSP) following a rising edge of PCMFS. Right channel data

immediately follows left channel data. Depending on word length, PCMCLK frequency and sample

rate, there may be unused PCMCLK cycles between the LSB of the right channel data and the next

sample.

LEFT CHANNEL

RIGHT CHANNEL

PCMFS

PCMCLK

PCMADC/

PCMDAC

n-2 n-1

LSB

MSB

n-2 n-1

1 BCLK / VXCLK

Input Word Length (WL)

1/fs

Figure 7 DSP Mode Audio Interface (mode A, FSP=0)

LEFT CHANNEL

RIGHT CHANNEL

PCMFS

PCMCLK

PCMADC/

PCMDAC

n-2 n-1

LSB

MSB

n-2 n-1

1 BCLK / VXCLK

Input Word Length (WL)

1/fs

Figure 7 DSP Mode Audio Interface (mode B, FSP=1)

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