WM8978 Wolfson Microelectronics Ltd., WM8978 Datasheet - Page 66

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WM8978

Manufacturer Part Number
WM8978
Description
The WM8978 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet

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WM8978
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In Right Justified mode, the LSB is available on the last rising edge of BCLK before a LRC transition.
All other bits are transmitted before (MSB first). Depending on word length, BCLK frequency and
sample rate, there may be unused BCLK cycles after each LRC transition.
Figure 34 Right Justified Audio Interface (assuming n-bit word length)
In I
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 35 I
2
S mode, the MSB is available on the second rising edge of BCLK following a LRC transition. The
2
S Audio Interface (assuming n-bit word length)
PTD Rev 2.6 November 2005
Preliminary Technical Data
66