CS47L35 datasheet(112/300 Pages) CIRRUS

112 / 300 page

112

DS1085F3

CS47L35

4.6 Digital Audio Interface

Fig. 4-42 shows an example of DSP Mode B format. Six enabled audio channels are shown, with time slots 4 and 5

unused.

Figure 4-42. DSP Mode B Example

Fig. 4-43 shows an example of I2S format. Four enabled channels are shown, allocated to time slots 0 through 3.

Figure 4-43. I2S Example

Fig. 4-44 shows an example of left-justified format. Six enabled channels are shown.

Figure 4-44. Left-Justified Example

LRCLK

Slot 0 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7

...

Slot 0

Slot 2

Slot 1

Slot 3

Channel 1

Channel 2

Channel 3

Channel 4

BCLK

TXDAT/

RXDAT

Slot 6

Slot 7

Channel 5

Channel 6

AIF1[TX1/RX1]_SLOT = 2

AIF1[TX2/RX2]_SLOT = 3

AIF1[TX3/RX3]_SLOT = 0

AIF1[TX4/RX4]_SLOT = 1

AIF1[TX5/RX5]_SLOT = 6

AIF1[TX6/RX6]_SLOT = 7

LRCLK

Slot 0 Slot 2 Slot 4

...

Slot 1 Slot 3 Slot 5

...

Slot 3

Slot 0

Slot 1

Channel 1

Channel 2

Channel 3

Channel 4

BCLK

TXDAT/

RXDAT

Slot 2

AIF1[TX1/RX1]_SLOT = 0

AIF1[TX3/RX3]_SLOT = 2

AIF1[TX2/RX2]_SLOT = 1

AIF1[TX4/RX4]_SLOT = 3

LRCLK

Slot 0 Slot 2 Slot 4

...

Slot 1 Slot 3 Slot 5

...

Slot 0

Channel 1

Channel 4

BCLK

TXDAT/

RXDAT

Channel 2

Slot 4

Channel 3

Slot 3

Channel 6

Slot 1

Slot 2

Channel 5

Slot 5

AIF1[TX5/RX5]_SLOT = 0

AIF1[TX6/RX6]_SLOT = 2

AIF1[TX2/RX2]_SLOT = 4

AIF1[TX3/RX3]_SLOT = 1

AIF1[TX1/RX1]_SLOT = 5

AIF1[TX4/RX4]_SLOT = 3

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