WM8961 datasheet(61/116 Pages) WOLFSON

Part #	WM8961

Description	Ultra-Low Power Stereo CODEC with 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers

PDF	116 Pages

Scroll/Zoom	100%

Manufacturer	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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61 / 116 page

WM8961

Pre-Production

PP, August 2009, Rev 3.1

In DSP mode, the left channel MSB is available on either the 1

st (DSP mode B) or 2nd (DSP mode A)

rising edge of BCLK (selectable by LRP) following a rising edge of LRC. Right channel data

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

there may be unused BCLK cycles between the LSB of the right channel data and the next sample.

In device master mode, the LRC output will resemble the frame pulse shown in Figure 34 and Figure

35. In device slave mode, Figure 36 and Figure 37, it is possible to use any length of frame pulse less

than 1/fs, providing the falling edge of the frame pulse occurs greater than one BCLK period before

the rising edge of the next frame pulse.

Figure 34 DSP Mode Audio Interface (mode A, LRP=0, Master)

Figure 35 DSP Mode Audio Interface (mode B, LRP=1, Master)

Figure 36 DSP Mode Audio Interface (mode A, LRP=0, Slave)

WM8961 Datasheet(PDF) 61 Page - Wolfson Microelectronics plc