WM8773

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PP Rev 1.0 June 2002

16

I

In I

BCLK following an ADCLRC transition and may be sampled on the rising edge of BCLK. ADCLRC is

low during the left samples and high during the right samples.

LEFT CHANNEL

RIGHT CHANNEL

ADCLRC

BCLK

DOUT

1/fs

n

3

2

1

n-2 n-1

LSB

MSB

n

3

2

1

n-2 n-1

LSB

MSB

1 BCLK

1 BCLK

Figure 11 I

DSP EARLY MODE

The MSB of the left channel ADC data is output on DOUT and changes on the first falling edge of

BCLK following a low to high ADCLRC transition and may be sampled on the rising edge of BCLK.

The right channel ADC data is contiguous with the left channel data (Figure 12)

ADCLRC

BCK

DOUT

Word Length (WL)

1/fs

LEFT CHANNEL

n

2

1

n-1

LSB

MSB

n

2

1

n-1

RIGHT CHANNEL

NO VALID DATA

1 BCLK

1 BCLK

Figure 12 DSP Early Mode Timing Diagram – ADC Data Output